ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor2611354209 <...> syzkaller syzkaller login: [ 15.610382][ T28] kauditd_printk_skb: 31 callbacks suppressed [ 15.610397][ T28] audit: type=1400 audit(1792764278.107:59): avc: denied { transition } for pid=224 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.615210][ T28] audit: type=1400 audit(1792764278.107:60): avc: denied { noatsecure } for pid=224 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.619040][ T28] audit: type=1400 audit(1792764278.127:61): avc: denied { write } for pid=224 comm="sh" path="pipe:[14552]" dev="pipefs" ino=14552 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 15.622604][ T28] audit: type=1400 audit(1792764278.127:62): avc: denied { rlimitinh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.625600][ T28] audit: type=1400 audit(1792764278.127:63): avc: denied { siginh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor2611354209", ["ci2-android-6-1/syz-executor2611354209"], 0x7ffdf24b6bd0 /* 10 vars */) = 0 brk(NULL) = 0x555593f8a000 brk(0x555593f8ad40) = 0x555593f8ad40 arch_prctl(ARCH_SET_FS, 0x555593f8a3c0) = 0 set_tid_address(0x555593f8a690) = 304 set_robust_list(0x555593f8a6a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-1/syz-executor2611354209", 4096) = 44 getrandom("\x64\x0d\x86\x28\x5e\x4a\x14\x58", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555593f8ad40 brk(0x555593fabd40) = 0x555593fabd40 brk(0x555593fac000) = 0x555593fac000 mprotect(0x7f1cc0891000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 305 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 ci2-android-6-1/strace-static-x86_64: Process 305 attached [pid 304] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC [pid 305] set_robust_list(0x555593f8a6a0, 24 [pid 304] <... openat resumed>) = 3 [pid 305] <... set_robust_list resumed>) = 0 [pid 304] write(3, "0", 1 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... write resumed>) = 1 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "0", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "100", 3) = 3 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "0", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "0", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "7 4 1 3", 7) = 7 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/sys/kernel/debug/failslab/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "Y", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "Y", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "Y", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/sys/kernel/debug/fail_usercopy/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "Y", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/sys/kernel/debug/fail_make_request/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "Y", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/sys/kernel/debug/fail_io_timeout/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "Y", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/sys/kernel/debug/fail_iommufd/task-filter", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "0", 1) = 1 [pid 304] close(3) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "305", 3) = 3 [pid 304] close(3) = 0 [pid 304] kill(305, SIGKILL) = 0 [pid 305] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=305, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 306 attached , child_tidptr=0x555593f8a690) = 306 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] set_robust_list(0x555593f8a6a0, 24ci2-android-6-1/strace-static-x86_64: Process 307 attached [pid 304] <... clone resumed>, child_tidptr=0x555593f8a690) = 307 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... set_robust_list resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 308 attached [pid 304] <... clone resumed>, child_tidptr=0x555593f8a690) = 308 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 309 attached [pid 304] <... clone resumed>, child_tidptr=0x555593f8a690) = 309 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 310 attached [pid 304] <... clone resumed>, child_tidptr=0x555593f8a690) = 310 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 310] set_robust_list(0x555593f8a6a0, 24 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] getrandom("\x8e\xdc\x21\x9c\xb4\xb7\xe4\x1e", 8, GRND_NONBLOCK) = 8 [pid 310] mkdir("./syzkaller.CXjS3r", 0700 [pid 309] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getrandom( [pid 310] <... mkdir resumed>) = 0 [pid 310] chmod("./syzkaller.CXjS3r", 0777) = 0 [pid 310] chdir("./syzkaller.CXjS3r") = 0 [pid 310] mkdir("./0", 0777) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getrandom( [pid 306] <... getrandom resumed>"\x24\x64\xda\xe6\x1b\xef\xcf\xa7", 8, GRND_NONBLOCK) = 8 ci2-android-6-1/strace-static-x86_64: Process 311 attached [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 311 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] chdir("./0") = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] getrandom( [pid 306] mkdir("./syzkaller.eu28T4", 0700 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 [pid 311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 311] write(1, "executing program\n", 18) = 18 executing program [pid 311] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getrandom resumed>"\x06\xb7\xda\xab\xf6\xa4\x00\x05", 8, GRND_NONBLOCK) = 8 [pid 307] <... getrandom resumed>"\x1b\x88\x72\x6b\x07\x2e\x05\xee", 8, GRND_NONBLOCK) = 8 [pid 306] <... mkdir resumed>) = 0 [pid 307] mkdir("./syzkaller.XzhEXt", 0700 [pid 309] getrandom( [pid 308] mkdir("./syzkaller.ImTRQc", 0700 [pid 307] <... mkdir resumed>) = 0 [pid 311] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... getrandom resumed>"\xa9\xae\xc9\xbc\xe3\xee\x66\xb2", 8, GRND_NONBLOCK) = 8 [pid 308] <... mkdir resumed>) = 0 [pid 306] chmod("./syzkaller.eu28T4", 0777 [pid 311] <... socket resumed>) = 4 [pid 309] mkdir("./syzkaller.JDQhTA", 0700 [pid 306] <... chmod resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] chmod("./syzkaller.ImTRQc", 0777 [pid 307] chmod("./syzkaller.XzhEXt", 0777 [ 25.794143][ T28] audit: type=1400 audit(1792764288.297:64): avc: denied { execmem } for pid=304 comm="syz-executor261" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 306] chdir("./syzkaller.eu28T4" [pid 311] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] chmod("./syzkaller.JDQhTA", 0777 [pid 308] <... chmod resumed>) = 0 [pid 307] <... chmod resumed>) = 0 [pid 306] <... chdir resumed>) = 0 [pid 309] <... chmod resumed>) = 0 [pid 308] chdir("./syzkaller.ImTRQc" [pid 307] chdir("./syzkaller.XzhEXt" [pid 306] mkdir("./0", 0777 [pid 309] chdir("./syzkaller.JDQhTA" [pid 308] <... chdir resumed>) = 0 [pid 307] <... chdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] <... chdir resumed>) = 0 [pid 308] mkdir("./0", 0777 [pid 307] mkdir("./0", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./0", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 312 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 315 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 313 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 314 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 315 attached ci2-android-6-1/strace-static-x86_64: Process 314 attached ci2-android-6-1/strace-static-x86_64: Process 313 attached ci2-android-6-1/strace-static-x86_64: Process 312 attached [pid 315] set_robust_list(0x555593f8a6a0, 24 [pid 314] set_robust_list(0x555593f8a6a0, 24 [pid 313] set_robust_list(0x555593f8a6a0, 24 [pid 312] set_robust_list(0x555593f8a6a0, 24 [pid 311] <... connect resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 315] <... set_robust_list resumed>) = 0 [pid 314] <... set_robust_list resumed>) = 0 [pid 313] <... set_robust_list resumed>) = 0 [pid 312] <... set_robust_list resumed>) = 0 [pid 311] sendfile(-1, -1, [3 [pid 315] rt_sigprocmask(SIG_SETMASK, [] [pid 314] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 315] chdir("./0" [pid 314] chdir("./0" [pid 313] chdir("./0" [pid 312] chdir("./0" [pid 315] <... chdir resumed>) = 0 [pid 314] <... chdir resumed>) = 0 [pid 313] <... chdir resumed>) = 0 [pid 312] <... chdir resumed>) = 0 [pid 311] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 315] <... prctl resumed>) = 0 [pid 314] <... prctl resumed>) = 0 [pid 313] <... prctl resumed>) = 0 [pid 312] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 315] setpgid(0, 0 [pid 314] setpgid(0, 0 [pid 313] setpgid(0, 0 [pid 312] setpgid(0, 0 [pid 315] <... setpgid resumed>) = 0 [pid 314] <... setpgid resumed>) = 0 [pid 313] <... setpgid resumed>) = 0 [pid 312] <... setpgid resumed>) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = 3 [pid 312] <... openat resumed>) = 3 [pid 315] <... openat resumed>) = 3 [pid 314] <... openat resumed>) = 3 [pid 313] write(3, "1000", 4 [pid 312] write(3, "1000", 4 [pid 315] write(3, "1000", 4 [pid 314] write(3, "1000", 4 [pid 313] <... write resumed>) = 4 [pid 311] <... clone3 resumed>) = 316 [pid 315] <... write resumed>) = 4 [pid 314] <... write resumed>) = 4 [pid 313] close(3 [pid 312] <... write resumed>) = 4 [pid 315] close(3 [pid 314] close(3 [pid 313] <... close resumed>) = 0 [pid 312] close(3 [pid 315] <... close resumed>) = 0 [pid 314] <... close resumed>) = 0 [pid 313] symlink("/dev/binderfs", "./binderfs" [pid 311] ioctl(3, PPPIOCSMRU, 0 [pid 315] symlink("/dev/binderfs", "./binderfs" [pid 314] symlink("/dev/binderfs", "./binderfs" [pid 312] <... close resumed>) = 0 [pid 313] <... symlink resumed>) = 0 [pid 314] <... symlink resumed>) = 0 [pid 312] symlink("/dev/binderfs", "./binderfs" [pid 315] <... symlink resumed>) = 0 [pid 312] <... symlink resumed>) = 0 [pid 314] write(1, "executing program\n", 18 [pid 315] write(1, "executing program\n", 18 [pid 313] write(1, "executing program\n", 18 [pid 311] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [ 25.833805][ T28] audit: type=1400 audit(1792764288.337:65): avc: denied { create } for pid=311 comm="syz-executor261" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=pppox_socket permissive=1 [ 25.853807][ T28] audit: type=1400 audit(1792764288.337:66): avc: denied { connect } for pid=311 comm="syz-executor261" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=pppox_socket permissive=1 [pid 311] exit_group(0) = ? [pid 313] <... write resumed>) = 18 [pid 314] <... write resumed>) = 18 [pid 315] <... write resumed>) = 18 [pid 314] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 312] write(1, "executing program\n", 18 [pid 315] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 313] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 314] <... socket resumed>) = 3 [pid 312] <... write resumed>) = 18 [pid 315] <... socket resumed>) = 3 [pid 313] <... socket resumed>) = 3 [pid 315] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 314] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 313] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 312] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 315] <... socket resumed>) = 4 [pid 312] <... socket resumed>) = 3 [pid 313] <... socket resumed>) = 4 [pid 312] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 314] <... socket resumed>) = 4 executing program executing program executing program executing program [pid 312] <... socket resumed>) = 4 [pid 313] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 314] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 312] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 315] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 314] <... connect resumed>) = -1 EEXIST (File exists) [pid 313] <... connect resumed>) = -1 EEXIST (File exists) [pid 312] <... connect resumed>) = -1 EEXIST (File exists) [pid 315] <... connect resumed>) = -1 EEXIST (File exists) [pid 314] sendfile(-1, -1, [3 [pid 315] sendfile(-1, -1, [3 [pid 313] sendfile(-1, -1, [3 [pid 312] sendfile(-1, -1, [3 [pid 315] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 314] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 313] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 312] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 315] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 314] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 313] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 312] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 311] +++ exited with 0 +++ [pid 315] <... clone3 resumed>) = 317 [pid 314] <... clone3 resumed>) = 318 [pid 313] <... clone3 resumed>) = 319 [pid 313] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 313] exit_group(0) = ? [pid 312] <... clone3 resumed>) = 320 [pid 315] ioctl(3, PPPIOCSMRU, 0 [pid 314] ioctl(3, PPPIOCSMRU, 0 [pid 313] +++ exited with 0 +++ [pid 312] ioctl(3, PPPIOCSMRU, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 315] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 314] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 312] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 315] exit_group(0 [pid 314] exit_group(0 [pid 312] exit_group(0 [pid 315] <... exit_group resumed>) = ? [pid 314] <... exit_group resumed>) = ? [pid 312] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 315] +++ exited with 0 +++ [pid 314] +++ exited with 0 +++ [pid 312] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 310] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 306] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./0/binderfs" [pid 310] newfstatat(AT_FDCWD, "./0/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] unlink("./0/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./0/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] getdents64(3 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./0/binderfs" [pid 308] rmdir("./0" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] rmdir("./0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./0/binderfs" [pid 308] mkdir("./1", 0777 [pid 307] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 309] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./0/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] unlink("./0/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./0" [pid 307] getdents64(3 [pid 306] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./1", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 321 [pid 307] close(3 [pid 306] newfstatat(AT_FDCWD, "./0/binderfs"ci2-android-6-1/strace-static-x86_64: Process 322 attached ci2-android-6-1/strace-static-x86_64: Process 321 attached [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 322 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 322] set_robust_list(0x555593f8a6a0, 24 [pid 321] set_robust_list(0x555593f8a6a0, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 322] <... set_robust_list resumed>) = 0 [pid 321] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 322] rt_sigprocmask(SIG_SETMASK, [] [pid 321] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./0" [pid 306] unlink("./0/binderfs" [pid 322] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 322] chdir("./1" [pid 307] <... rmdir resumed>) = 0 [pid 322] <... chdir resumed>) = 0 [pid 321] chdir("./1" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./1", 0777 [pid 306] <... unlink resumed>) = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] <... chdir resumed>) = 0 [pid 322] setpgid(0, 0) = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] <... prctl resumed>) = 0 [pid 322] write(3, "1000", 4) = 4 [pid 321] setpgid(0, 0 [pid 322] close(3) = 0 [pid 321] <... setpgid resumed>) = 0 [pid 322] symlink("/dev/binderfs", "./binderfs" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 323 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 323 attached [pid 322] <... symlink resumed>) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 322] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 322] <... write resumed>) = 18 [pid 321] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 322] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 321] write(3, "1000", 4 [pid 322] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 321] <... write resumed>) = 4 [pid 322] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 321] close(3 [pid 322] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 321] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 324 [pid 306] <... close resumed>) = 0 [pid 322] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 324 attached [pid 323] set_robust_list(0x555593f8a6a0, 24 [pid 322] <... clone3 resumed>) = 325 [pid 321] symlink("/dev/binderfs", "./binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./0" [pid 322] ioctl(3, PPPIOCSMRU, 0 [pid 321] <... symlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 322] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 321] write(1, "executing program\n", 18 executing program [pid 322] exit_group(0 [pid 321] <... write resumed>) = 18 [pid 306] <... rmdir resumed>) = 0 [pid 322] <... exit_group resumed>) = ? [pid 321] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] mkdir("./1", 0777 [pid 324] set_robust_list(0x555593f8a6a0, 24 [pid 323] <... set_robust_list resumed>) = 0 [pid 322] +++ exited with 0 +++ [pid 321] <... socket resumed>) = 3 [pid 321] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... mkdir resumed>) = 0 [pid 324] <... set_robust_list resumed>) = 0 [pid 323] rt_sigprocmask(SIG_SETMASK, [] [pid 321] <... socket resumed>) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 324] rt_sigprocmask(SIG_SETMASK, [] [pid 323] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 321] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 323] chdir("./1" [pid 321] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 324] chdir("./1" [pid 323] <... chdir resumed>) = 0 [pid 321] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 321] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 326 attached [pid 324] <... chdir resumed>) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 326] set_robust_list(0x555593f8a6a0, 24 [pid 324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 323] <... prctl resumed>) = 0 [pid 321] <... clone3 resumed>) = 327 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 326 [pid 326] <... set_robust_list resumed>) = 0 [pid 324] <... prctl resumed>) = 0 [pid 323] setpgid(0, 0 [pid 321] ioctl(3, PPPIOCSMRU, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 326] rt_sigprocmask(SIG_SETMASK, [] [pid 324] setpgid(0, 0 [pid 323] <... setpgid resumed>) = 0 [pid 321] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 324] <... setpgid resumed>) = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 326] chdir("./1" [pid 324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 321] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 326] <... chdir resumed>) = 0 [pid 324] <... openat resumed>) = 3 [pid 323] <... openat resumed>) = 3 [pid 321] <... exit_group resumed>) = ? [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 324] write(3, "1000", 4 [pid 323] write(3, "1000", 4 [pid 326] <... prctl resumed>) = 0 [pid 324] <... write resumed>) = 4 [pid 323] <... write resumed>) = 4 [pid 326] setpgid(0, 0 [pid 324] close(3 [pid 323] close(3 [pid 326] <... setpgid resumed>) = 0 [pid 324] <... close resumed>) = 0 [pid 323] <... close resumed>) = 0 [pid 321] +++ exited with 0 +++ [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 324] symlink("/dev/binderfs", "./binderfs" [pid 323] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 324] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 326] <... openat resumed>) = 3 [pid 324] write(1, "executing program\n", 18 [pid 323] <... symlink resumed>) = 0 executing program [pid 310] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 326] write(3, "1000", 4 [pid 324] <... write resumed>) = 18 executing program [pid 323] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 326] <... write resumed>) = 4 [pid 324] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 323] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 3 [pid 326] close(3 [pid 324] <... socket resumed>) = 3 [pid 323] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] fstat(3 [pid 308] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 326] <... close resumed>) = 0 [pid 324] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 323] <... socket resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 326] symlink("/dev/binderfs", "./binderfs" [pid 324] <... socket resumed>) = 4 [pid 323] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] getdents64(3 [pid 308] fstat(3 [pid 324] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 323] <... socket resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 326] <... symlink resumed>) = 0 [pid 324] <... connect resumed>) = -1 EEXIST (File exists) [pid 323] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 326] write(1, "executing program\n", 18 [pid 324] sendfile(-1, -1, [3 [pid 323] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 326] <... write resumed>) = 18 [pid 324] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 323] sendfile(-1, -1, [3 [pid 310] newfstatat(AT_FDCWD, "./1/binderfs" [pid 326] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 324] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 323] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./1/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 324] <... clone3 resumed>) = 328 [pid 323] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./1/binderfs" [pid 326] <... socket resumed>) = 3 [pid 324] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] unlink("./1/binderfs" [pid 326] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 324] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 323] <... clone3 resumed>) = 329 [pid 310] close(3 [pid 308] <... unlink resumed>) = 0 [pid 326] <... socket resumed>) = 4 [pid 324] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 326] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 324] <... exit_group resumed>) = ? [pid 323] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./1" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 326] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 324] +++ exited with 0 +++ [pid 323] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] mkdir("./2", 0777 [pid 308] <... close resumed>) = 0 [pid 326] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 323] exit_group(0 [pid 326] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 323] <... exit_group resumed>) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... mkdir resumed>) = 0 [pid 308] rmdir("./1" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 326] <... clone3 resumed>) = 330 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] mkdir("./2", 0777 [pid 323] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 331 attached [pid 326] ioctl(3, PPPIOCSMRU, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 331] set_robust_list(0x555593f8a6a0, 24 [pid 326] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 331 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 331] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 331] rt_sigprocmask(SIG_SETMASK, [] [pid 326] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 332 attached [pid 331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 326] <... exit_group resumed>) = ? [pid 309] <... restart_syscall resumed>) = 0 [pid 332] set_robust_list(0x555593f8a6a0, 24 [pid 331] chdir("./2" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 332 [pid 332] <... set_robust_list resumed>) = 0 [pid 331] <... chdir resumed>) = 0 [pid 326] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 332] rt_sigprocmask(SIG_SETMASK, [] [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 331] <... prctl resumed>) = 0 [pid 332] chdir("./2" [pid 331] setpgid(0, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 332] <... chdir resumed>) = 0 [pid 331] <... setpgid resumed>) = 0 [pid 309] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 332] <... prctl resumed>) = 0 [pid 331] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 332] setpgid(0, 0 [pid 331] write(3, "1000", 4 [pid 332] <... setpgid resumed>) = 0 [pid 331] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 331] close(3 [pid 332] <... openat resumed>) = 3 [pid 331] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 332] write(3, "1000", 4 [pid 331] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3 [pid 307] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 332] <... write resumed>) = 4 [pid 331] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 332] close(3 [pid 331] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 332] <... close resumed>) = 0 [pid 331] <... write resumed>) = 18 [pid 332] symlink("/dev/binderfs", "./binderfs" executing program [pid 331] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] getdents64(3 [pid 307] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 332] <... symlink resumed>) = 0 [pid 331] <... socket resumed>) = 3 [pid 332] write(1, "executing program\n", 18 [pid 331] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... openat resumed>) = 3 [pid 332] <... write resumed>) = 18 [pid 331] <... socket resumed>) = 4 executing program [pid 309] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 332] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 331] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] fstat(3 [pid 332] <... socket resumed>) = 3 [pid 331] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 332] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 331] sendfile(-1, -1, [3 [pid 309] newfstatat(AT_FDCWD, "./1/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 332] <... socket resumed>) = 4 [pid 331] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 332] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 331] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 309] unlink("./1/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 332] <... connect resumed>) = -1 EEXIST (File exists) [pid 331] <... clone3 resumed>) = 333 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 332] sendfile(-1, -1, [3 [pid 331] ioctl(3, PPPIOCSMRU, 0 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 332] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 331] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 332] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 331] exit_group(0 [pid 307] newfstatat(AT_FDCWD, "./1/binderfs" [pid 332] <... clone3 resumed>) = 334 [pid 331] <... exit_group resumed>) = ? [pid 309] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 25.879619][ T28] audit: type=1400 audit(1792764288.387:67): avc: denied { ioctl } for pid=311 comm="syz-executor261" path="socket:[15434]" dev="sockfs" ino=15434 ioctlcmd=0x7452 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=pppox_socket permissive=1 [pid 306] <... restart_syscall resumed>) = 0 [pid 332] ioctl(3, PPPIOCSMRU, 0 [pid 331] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 307] unlink("./1/binderfs" [pid 332] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] rmdir("./1" [pid 332] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 332] <... exit_group resumed>) = ? [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./2", 0777 [pid 307] getdents64(3 [pid 306] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 332] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./1") = 0 [pid 306] <... openat resumed>) = 3 [pid 307] mkdir("./2", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 335 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 336 attached ci2-android-6-1/strace-static-x86_64: Process 335 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 336] set_robust_list(0x555593f8a6a0, 24 [pid 310] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 336 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 336] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 336] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 308] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 336] chdir("./2" [pid 310] getdents64(3 [pid 308] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 336] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... openat resumed>) = 3 [pid 336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./1/binderfs" [pid 336] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 336] setpgid(0, 0 [pid 310] newfstatat(AT_FDCWD, "./2/binderfs" [pid 308] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 336] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] unlink("./1/binderfs" [pid 336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] unlink("./2/binderfs" [pid 308] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 336] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 336] write(3, "1000", 4 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./2/binderfs" [pid 336] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 336] close(3 [pid 310] close(3 [pid 308] unlink("./2/binderfs" [pid 335] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 336] <... close resumed>) = 0 [pid 310] rmdir("./2" [pid 308] <... unlink resumed>) = 0 [pid 306] close(3) = 0 [pid 336] symlink("/dev/binderfs", "./binderfs" [pid 335] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] rmdir("./1" [pid 310] mkdir("./3", 0777 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./2", 0777 [pid 336] <... symlink resumed>) = 0 [pid 335] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 336] write(1, "executing program\n", 18 [pid 335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./2" executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 336] <... write resumed>) = 18 [pid 335] chdir("./2" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 337 [pid 337] <... set_robust_list resumed>) = 0 [pid 336] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] mkdir("./3", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 337] rt_sigprocmask(SIG_SETMASK, [] [pid 335] <... chdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 338 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 337] chdir("./2") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 336] <... socket resumed>) = 3 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 336] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 335] <... prctl resumed>) = 0 [pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 337] setpgid(0, 0) = 0 [pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 337] write(3, "1000", 4 [pid 336] <... socket resumed>) = 4 [pid 335] setpgid(0, 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 339 [pid 337] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 337] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 336] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 335] <... setpgid resumed>) = 0 [pid 337] <... close resumed>) = 0 [pid 336] <... connect resumed>) = -1 EEXIST (File exists) [pid 337] symlink("/dev/binderfs", "./binderfs" [pid 336] sendfile(-1, -1, [3 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 336] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) ci2-android-6-1/strace-static-x86_64: Process 339 attached [pid 337] <... symlink resumed>) = 0 [pid 336] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 335] <... openat resumed>) = 3 [pid 337] write(1, "executing program\n", 18) = 18 [pid 337] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 337] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 337] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 337] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 336] <... clone3 resumed>) = 340 [pid 335] write(3, "1000", 4 executing program [pid 337] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 338 attached [pid 339] set_robust_list(0x555593f8a6a0, 24 [pid 336] ioctl(3, PPPIOCSMRU, 0 [pid 335] <... write resumed>) = 4 [pid 339] <... set_robust_list resumed>) = 0 [pid 338] set_robust_list(0x555593f8a6a0, 24 [pid 337] <... clone3 resumed>) = 341 [pid 336] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 337] ioctl(3, PPPIOCSMRU, 0 [pid 335] close(3 [pid 337] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 336] exit_group(0 [pid 335] <... close resumed>) = 0 [pid 337] exit_group(0 [pid 336] <... exit_group resumed>) = ? [pid 335] symlink("/dev/binderfs", "./binderfs" [pid 337] <... exit_group resumed>) = ? [pid 335] <... symlink resumed>) = 0 [pid 339] rt_sigprocmask(SIG_SETMASK, [] [pid 338] <... set_robust_list resumed>) = 0 [pid 336] +++ exited with 0 +++ [pid 339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 337] +++ exited with 0 +++ [pid 335] write(1, "executing program\n", 18) = 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 339] chdir("./3" [pid 335] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 339] <... chdir resumed>) = 0 [pid 338] rt_sigprocmask(SIG_SETMASK, [] [pid 335] <... socket resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 335] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 338] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 335] <... socket resumed>) = 4 [pid 307] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 335] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 339] <... prctl resumed>) = 0 [pid 338] chdir("./3" [pid 335] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 3 [pid 339] setpgid(0, 0 [pid 338] <... chdir resumed>) = 0 [pid 335] sendfile(-1, -1, [3 [pid 307] fstat(3 [pid 339] <... setpgid resumed>) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 335] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 338] <... prctl resumed>) = 0 [pid 335] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] getdents64(3 [pid 339] <... openat resumed>) = 3 [pid 338] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 339] write(3, "1000", 4 [pid 338] <... setpgid resumed>) = 0 [pid 335] <... clone3 resumed>) = 342 [pid 307] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 339] <... write resumed>) = 4 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 335] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 339] close(3 [pid 335] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 338] <... openat resumed>) = 3 [pid 339] <... close resumed>) = 0 [pid 338] write(3, "1000", 4 [pid 335] exit_group(0 [pid 307] newfstatat(AT_FDCWD, "./2/binderfs" [pid 339] symlink("/dev/binderfs", "./binderfs" [pid 338] <... write resumed>) = 4 [pid 335] <... exit_group resumed>) = ? [pid 339] <... symlink resumed>) = 0 [pid 338] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 339] write(1, "executing program\n", 18 [pid 338] <... close resumed>) = 0 executing program [pid 335] +++ exited with 0 +++ [pid 307] unlink("./2/binderfs" [pid 306] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 339] <... write resumed>) = 18 [pid 338] symlink("/dev/binderfs", "./binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 339] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 338] <... symlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 339] <... socket resumed>) = 3 [pid 338] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 306] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 339] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 338] <... write resumed>) = 18 [pid 307] close(3 [pid 339] <... socket resumed>) = 4 [pid 338] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 339] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 338] <... socket resumed>) = 3 [pid 307] rmdir("./2" [pid 339] <... connect resumed>) = -1 EEXIST (File exists) [pid 338] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 339] sendfile(-1, -1, [3 [pid 338] <... socket resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 339] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 338] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./3", 0777 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 339] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 338] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 339] <... clone3 resumed>) = 343 [pid 338] sendfile(-1, -1, [3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 339] ioctl(3, PPPIOCSMRU, 0 [pid 338] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 339] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 338] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./2/binderfs" [pid 339] exit_group(0 [pid 338] <... clone3 resumed>) = 344 [pid 309] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 339] <... exit_group resumed>) = ? [pid 338] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 306] unlink("./2/binderfs" [pid 309] fstat(3 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 345 attached [pid 339] +++ exited with 0 +++ [pid 338] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 345 [pid 306] getdents64(3 [pid 338] exit_group(0 [pid 309] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 345] set_robust_list(0x555593f8a6a0, 24 [pid 338] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(3 [pid 309] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./2" [pid 345] <... set_robust_list resumed>) = 0 [pid 338] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./2/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./3", 0777 [pid 345] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] unlink("./2/binderfs" [pid 345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 345] chdir("./3" [pid 309] <... unlink resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 345] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 345] <... prctl resumed>) = 0 [pid 345] setpgid(0, 0) = 0 [pid 310] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 346 attached [pid 345] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./2" [pid 345] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 345] <... write resumed>) = 4 [pid 310] fstat(3 [pid 346] set_robust_list(0x555593f8a6a0, 24 [pid 345] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 346 [pid 346] <... set_robust_list resumed>) = 0 [pid 345] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] mkdir("./3", 0777 [pid 308] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 346] rt_sigprocmask(SIG_SETMASK, [] [pid 345] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 345] <... symlink resumed>) = 0 [pid 310] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 345] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 346] chdir("./3" [pid 345] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./3/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] fstat(3 [pid 346] <... chdir resumed>) = 0 [pid 345] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 345] <... socket resumed>) = 3 [pid 310] unlink("./3/binderfs" [pid 308] getdents64(3 [pid 345] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 345] <... socket resumed>) = 4 [pid 310] getdents64(3 [pid 308] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 345] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... prctl resumed>) = 0 [pid 345] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 347 [pid 308] newfstatat(AT_FDCWD, "./3/binderfs" [pid 346] setpgid(0, 0 [pid 345] sendfile(-1, -1, [3 [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 346] <... setpgid resumed>) = 0 [pid 345] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./3" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./3/binderfs" [pid 345] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 347 attached [pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 345] <... clone3 resumed>) = 348 [pid 310] mkdir("./4", 0777 [pid 308] getdents64(3 [pid 347] set_robust_list(0x555593f8a6a0, 24 [pid 346] <... openat resumed>) = 3 [pid 345] ioctl(3, PPPIOCSMRU, 0 [pid 346] write(3, "1000", 4 [pid 345] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 346] <... write resumed>) = 4 [pid 345] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 346] close(3 [pid 345] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 347] <... set_robust_list resumed>) = 0 [pid 346] <... close resumed>) = 0 [pid 346] symlink("/dev/binderfs", "./binderfs" [pid 345] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./3"ci2-android-6-1/strace-static-x86_64: Process 349 attached [pid 347] rt_sigprocmask(SIG_SETMASK, [] [pid 346] <... symlink resumed>) = 0 [pid 347] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 346] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 349 [pid 308] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 349] set_robust_list(0x555593f8a6a0, 24 [pid 347] chdir("./3" [pid 346] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./4", 0777 [pid 349] <... set_robust_list resumed>) = 0 [pid 347] <... chdir resumed>) = 0 [pid 346] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 346] <... socket resumed>) = 3 [pid 346] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 346] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 346] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 346] sendfile(-1, -1, [3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 346] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 346] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 346] <... clone3 resumed>) = 351 [pid 349] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 350 attached , NULL, 8) = 0 [pid 347] <... prctl resumed>) = 0 [pid 346] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 350 [pid 307] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 350] set_robust_list(0x555593f8a6a0, 24 [pid 349] chdir("./4" [pid 347] setpgid(0, 0 [pid 346] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 346] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... exit_group resumed>) = ? [pid 350] <... set_robust_list resumed>) = 0 [pid 349] <... chdir resumed>) = 0 [pid 347] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 350] rt_sigprocmask(SIG_SETMASK, [] [pid 349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 346] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 349] <... prctl resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 349] setpgid(0, 0 [pid 347] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 349] <... setpgid resumed>) = 0 [pid 347] write(3, "1000", 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 349] <... openat resumed>) = 3 [pid 347] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 349] write(3, "1000", 4 [pid 347] close(3 [pid 307] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 349] <... write resumed>) = 4 [pid 347] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 349] close(3 [pid 347] symlink("/dev/binderfs", "./binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 349] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./3/binderfs" [pid 306] getdents64(3 [pid 349] symlink("/dev/binderfs", "./binderfs" [pid 347] <... symlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 349] <... symlink resumed>) = 0 executing program [pid 347] write(1, "executing program\n", 18 [pid 307] unlink("./3/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 349] write(1, "executing program\n", 18 [pid 347] <... write resumed>) = 18 [pid 306] newfstatat(AT_FDCWD, "./3/binderfs" [pid 349] <... write resumed>) = 18 executing program [pid 347] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 349] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 347] <... socket resumed>) = 3 [pid 306] unlink("./3/binderfs" [pid 349] <... socket resumed>) = 3 [pid 347] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 349] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 347] <... socket resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 349] <... socket resumed>) = 4 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 347] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 349] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 347] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./3" [pid 306] <... close resumed>) = 0 [pid 349] <... connect resumed>) = -1 EEXIST (File exists) [pid 347] sendfile(-1, -1, [3 [pid 306] rmdir("./3" [pid 349] sendfile(-1, -1, [3 [pid 347] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 349] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 347] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] mkdir("./4", 0777 [pid 306] mkdir("./4", 0777 [pid 349] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 347] <... clone3 resumed>) = 352 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 353 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 349] <... clone3 resumed>) = 354 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 349] ioctl(3, PPPIOCSMRU, 0 [pid 347] ioctl(3, PPPIOCSMRU, 0 [pid 349] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 347] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 353 attached [pid 349] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 347] exit_group(0 [pid 353] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] chdir("./4") = 0 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 347] <... exit_group resumed>) = ? [pid 349] <... exit_group resumed>) = ? [pid 353] setpgid(0, 0) = 0 [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 353] write(3, "1000", 4) = 4 [pid 347] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 355 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 353] close(3) = 0 [pid 353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 349] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 353] write(1, "executing program\n", 18) = 18 executing program [pid 353] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 353] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 353] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 353] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 353] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 350] chdir("./4"ci2-android-6-1/strace-static-x86_64: Process 355 attached ) = 0 [pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 355] set_robust_list(0x555593f8a6a0, 24 [pid 350] setpgid(0, 0) = 0 [pid 353] <... clone3 resumed>) = 356 [pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 355] <... set_robust_list resumed>) = 0 [pid 355] rt_sigprocmask(SIG_SETMASK, [] [pid 353] ioctl(3, PPPIOCSMRU, 0 [pid 350] <... openat resumed>) = 3 [pid 353] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 350] write(3, "1000", 4) = 4 [pid 353] exit_group(0) = ? [pid 350] close(3) = 0 [pid 350] symlink("/dev/binderfs", "./binderfs") = 0 [pid 350] write(1, "executing program\n", 18) = 18 [pid 350] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 353] +++ exited with 0 +++ [pid 350] <... socket resumed>) = 3 executing program [pid 350] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 350] <... socket resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 350] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 350] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 350] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 355] chdir("./4" [pid 309] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 350] <... clone3 resumed>) = 357 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 355] <... chdir resumed>) = 0 [pid 350] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 350] exit_group(0 [pid 309] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 350] <... exit_group resumed>) = ? [pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 3 [pid 350] +++ exited with 0 +++ [pid 355] <... prctl resumed>) = 0 [pid 309] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 355] setpgid(0, 0 [pid 309] getdents64(3 [pid 355] <... setpgid resumed>) = 0 [pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 355] <... openat resumed>) = 3 [pid 309] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 355] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 355] <... write resumed>) = 4 [pid 355] close(3) = 0 [pid 309] newfstatat(AT_FDCWD, "./3/binderfs" [pid 355] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./3/binderfs" [pid 355] <... symlink resumed>) = 0 [pid 355] write(1, "executing program\n", 18) = 18 [pid 355] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 355] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... unlink resumed>) = 0 [pid 355] <... socket resumed>) = 4 [pid 309] getdents64(3 [pid 355] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 355] <... connect resumed>) = -1 EEXIST (File exists) [pid 355] sendfile(-1, -1, [3 [pid 309] close(3 [pid 355] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 355] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./3" [pid 355] <... clone3 resumed>) = 358 [pid 309] <... rmdir resumed>) = 0 [pid 355] ioctl(3, PPPIOCSMRU, 0 [pid 306] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./4", 0777 [pid 355] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 355] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 355] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 355] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] fstat(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./4/binderfs") = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 359 [pid 307] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 306] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./4" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./5", 0777 [pid 308] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 359 attached [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./4/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3 [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 360 attached [pid 359] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 360] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 360 [pid 308] getdents64(3 [pid 307] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 360] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] unlink("./4/binderfs" [pid 360] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 360] chdir("./5" [pid 308] newfstatat(AT_FDCWD, "./4/binderfs" [pid 307] newfstatat(AT_FDCWD, "./4/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 360] <... chdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] unlink("./4/binderfs" [pid 360] <... prctl resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 360] setpgid(0, 0 [pid 359] <... set_robust_list resumed>) = 0 [pid 308] getdents64(3 [pid 360] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] unlink("./4/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(3 [pid 360] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] close(3 [pid 360] write(3, "1000", 4 [ 26.030268][ T316] ================================================================== [ 26.038399][ T316] BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 [ 26.046521][ T316] Read of size 4 at addr ffff88810ddaec00 by task syz-executor261/316 [ 26.054680][ T316] [ 26.057018][ T316] CPU: 0 PID: 316 Comm: syz-executor261 Not tainted syzkaller #0 [ 26.064761][ T316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 26.074842][ T316] Call Trace: [ 26.078137][ T316] [ 26.081076][ T316] __dump_stack+0x21/0x24 [ 26.085449][ T316] dump_stack_lvl+0x110/0x170 [ 26.090158][ T316] ? __cfi_dump_stack_lvl+0x8/0x8 [ 26.095192][ T316] ? _raw_spin_lock_bh+0x94/0xf0 [ 26.100141][ T316] ? pppol2tp_sock_to_session+0x1a0/0x1b0 [ 26.105882][ T316] print_address_description+0x71/0x200 [ 26.111447][ T316] print_report+0x4a/0x60 [ 26.115795][ T316] kasan_report+0x122/0x150 [ 26.120329][ T316] ? pppol2tp_sock_to_session+0x1a0/0x1b0 [ 26.126071][ T316] __asan_report_load4_noabort+0x14/0x20 [ 26.131733][ T316] pppol2tp_sock_to_session+0x1a0/0x1b0 [ 26.137299][ T316] pppol2tp_release+0x150/0x2b0 [ 26.142179][ T316] sock_close+0xc9/0x220 [ 26.146456][ T316] ? __cfi_sock_close+0x10/0x10 [ 26.151321][ T316] __fput+0x1fd/0x8f0 [ 26.155331][ T316] ____fput+0x15/0x20 [ 26.159336][ T316] task_work_run+0x1e1/0x250 [ 26.163942][ T316] ? __cfi_task_work_run+0x10/0x10 [ 26.169068][ T316] ? free_nsproxy+0x21f/0x270 [ 26.173781][ T316] do_exit+0xb0d/0x29f0 [ 26.178104][ T316] ? __cfi_do_exit+0x10/0x10 [ 26.182734][ T316] ? xfd_validate_state+0x70/0x150 [ 26.187882][ T316] ? __kasan_check_write+0x14/0x20 [ 26.193010][ T316] __x64_sys_exit+0x40/0x40 [ 26.197543][ T316] x64_sys_call+0x67/0x9a0 [ 26.201985][ T316] do_syscall_64+0x4c/0xa0 [ 26.206421][ T316] ? clear_bhb_loop+0x30/0x80 [ 26.211125][ T316] ? clear_bhb_loop+0x30/0x80 [ 26.215823][ T316] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 26.221732][ T316] RIP: 0033:0x7f1cc07fe169 [ 26.226177][ T316] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 26.233211][ T316] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 26.241640][ T316] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 26.249626][ T316] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.257629][ T316] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 26.265616][ T316] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f634758 [ 26.273596][ T316] R13: 0000000000000002 R14: 00007ffd4f634480 R15: 0000000000000000 [ 26.281584][ T316] [ 26.284610][ T316] [ 26.286951][ T316] Allocated by task 311: [ 26.291200][ T316] kasan_set_track+0x4b/0x70 [ 26.295831][ T316] kasan_save_alloc_info+0x1f/0x30 [ 26.300959][ T316] __kasan_kmalloc+0x95/0xb0 [ 26.305575][ T316] __kmalloc+0xb4/0x1e0 [ 26.309751][ T316] l2tp_session_create+0x38/0xbd0 [ 26.314886][ T316] pppol2tp_connect+0xbf5/0x1640 [ 26.319844][ T316] __sys_connect+0x3da/0x460 [ 26.324450][ T316] __x64_sys_connect+0x7a/0x90 [ 26.329234][ T316] x64_sys_call+0x88d/0x9a0 [ 26.333840][ T316] do_syscall_64+0x4c/0xa0 [ 26.338273][ T316] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 26.344187][ T316] [ 26.346531][ T316] Freed by task 43: [ 26.350347][ T316] kasan_set_track+0x4b/0x70 [ 26.354953][ T316] kasan_save_free_info+0x2b/0x40 [ 26.360012][ T316] ____kasan_slab_free+0x132/0x180 [ 26.365137][ T316] __kasan_slab_free+0x11/0x20 [ 26.369917][ T316] slab_free_freelist_hook+0xc2/0x190 [ 26.375296][ T316] __kmem_cache_free+0xb7/0x1b0 [ 26.380253][ T316] kfree+0x6f/0xf0 [ 26.384004][ T316] l2tp_session_put+0xaf/0x1a0 [ 26.388782][ T316] l2tp_session_delete+0x3df/0x4d0 [ 26.393908][ T316] l2tp_tunnel_del_work+0x199/0x410 [ 26.399126][ T316] process_one_work+0x717/0xc30 [ 26.403993][ T316] worker_thread+0xa4d/0x11d0 [ 26.408686][ T316] kthread+0x281/0x320 [ 26.412769][ T316] ret_from_fork+0x1f/0x30 [ 26.417202][ T316] [ 26.419530][ T316] The buggy address belongs to the object at ffff88810ddaec00 [ 26.419530][ T316] which belongs to the cache kmalloc-512 of size 512 [ 26.433593][ T316] The buggy address is located 0 bytes inside of [ 26.433593][ T316] 512-byte region [ffff88810ddaec00, ffff88810ddaee00) [ 26.446718][ T316] [ 26.449064][ T316] The buggy address belongs to the physical page: [ 26.455483][ T316] page:ffffea0004376b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ddac [ 26.465749][ T316] head:ffffea0004376b00 order:2 compound_mapcount:0 compound_pincount:0 [ 26.474090][ T316] flags: 0x4000000000010200(slab|head|zone=1) [ 26.480188][ T316] raw: 4000000000010200 ffffea0004377400 dead000000000002 ffff888100042f00 [ 26.488868][ T316] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 26.497455][ T316] page dumped because: kasan: bad access detected [ 26.503912][ T316] page_owner tracks the page as allocated [ 26.509645][ T316] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 3145999668, free_ts 0 [ 26.529292][ T316] post_alloc_hook+0x1f5/0x210 [ 26.534081][ T316] prep_new_page+0x1c/0x110 [ 26.538610][ T316] get_page_from_freelist+0x2ca9/0x2d20 [ 26.544175][ T316] __alloc_pages+0x1fa/0x610 [ 26.548784][ T316] alloc_slab_page+0x6e/0xf0 [ 26.553386][ T316] new_slab+0x98/0x3e0 [ 26.557467][ T316] ___slab_alloc+0x70f/0xb70 [ 26.562102][ T316] __slab_alloc+0x5e/0xa0 [ 26.566444][ T316] __kmem_cache_alloc_node+0x204/0x2d0 [ 26.571929][ T316] kmalloc_trace+0x29/0xb0 [ 26.576358][ T316] dev_pm_qos_constraints_allocate+0x53/0x3f0 [ 26.582445][ T316] __dev_pm_qos_add_request+0x132/0x3e0 [ 26.588014][ T316] dev_pm_qos_add_request+0x37/0x50 [ 26.593235][ T316] usb_hub_create_port_device+0x4cb/0xbe0 [ 26.599093][ T316] hub_probe+0x205d/0x2c00 [ 26.603534][ T316] usb_probe_interface+0x621/0xb30 [ 26.608669][ T316] page_owner free stack trace missing [ 26.614041][ T316] [ 26.616371][ T316] Memory state around the buggy address: [ 26.622010][ T316] ffff88810ddaeb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [pid 308] rmdir("./4" [pid 307] getdents64(3 [pid 360] <... write resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 360] close(3 [pid 308] mkdir("./5", 0777 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 360] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./4" [pid 360] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 360] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 360] write(1, "executing program\n", 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 360] <... write resumed>) = 18 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 360] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 361 [pid 360] <... socket resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 360] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 360] <... socket resumed>) = 4 executing program [ 26.630082][ T316] ffff88810ddaeb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.638183][ T316] >ffff88810ddaec00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.646256][ T316] ^ [ 26.650336][ T316] ffff88810ddaec80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.658423][ T316] ffff88810ddaed00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.666495][ T316] ================================================================== [ 26.676606][ T316] Disabling lock debugging due to kernel taint [pid 360] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 361 attached ) = 0 [pid 359] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 306] mkdir("./5", 0777 [pid 361] set_robust_list(0x555593f8a6a0, 24 [pid 359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 26.689846][ T316] ------------[ cut here ]------------ [ 26.695481][ T316] WARNING: CPU: 0 PID: 316 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 26.702437][ T28] audit: type=1400 audit(1792764289.197:68): avc: denied { read } for pid=84 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 26.705874][ T316] Modules linked in: [ 26.731209][ T316] CPU: 0 PID: 316 Comm: syz-executor261 Tainted: G B syzkaller #0 [ 26.740488][ T316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 26.750605][ T316] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [ 26.757023][ T316] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 26.769448][ T28] audit: type=1400 audit(1792764289.237:69): avc: denied { search } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 26.776696][ T316] RSP: 0018:ffffc90000ec7b90 EFLAGS: 00010293 [ 26.804085][ T316] RAX: ffffffff849ca097 RBX: ffff8881092f6000 RCX: ffff88810efca880 [ 26.812100][ T316] RDX: 0000000000000000 RSI: 0000000023cff000 RDI: 000000000c04eb7d [ 26.820149][ T316] RBP: ffffc90000ec7bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc [ 26.828169][ T316] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: dffffc0000000000 [ 26.836225][ T316] R13: dffffc0000000000 R14: 0000000023cff000 R15: ffff88810ddaec00 [ 26.844249][ T316] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.853290][ T316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.859938][ T316] CR2: 0000555593f8a690 CR3: 000000000700f000 CR4: 00000000003506b0 [ 26.867990][ T316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.876103][ T316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.884147][ T316] Call Trace: [ 26.887495][ T316] [ 26.890454][ T316] pppol2tp_release+0x150/0x2b0 [ 26.895412][ T316] sock_close+0xc9/0x220 [ 26.899688][ T316] ? __cfi_sock_close+0x10/0x10 [ 26.904623][ T316] __fput+0x1fd/0x8f0 [ 26.906783][ T28] audit: type=1400 audit(1792764289.237:70): avc: denied { write } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 26.908647][ T316] ____fput+0x15/0x20 [ 26.933802][ T316] task_work_run+0x1e1/0x250 [ 26.938453][ T316] ? __cfi_task_work_run+0x10/0x10 [ 26.943744][ T316] ? free_nsproxy+0x21f/0x270 [ 26.948468][ T316] do_exit+0xb0d/0x29f0 [ 26.952768][ T316] ? __cfi_do_exit+0x10/0x10 [ 26.957413][ T316] ? xfd_validate_state+0x70/0x150 [ 26.962610][ T316] ? __kasan_check_write+0x14/0x20 [ 26.967843][ T316] __x64_sys_exit+0x40/0x40 [ 26.972429][ T316] x64_sys_call+0x67/0x9a0 [ 26.976892][ T316] do_syscall_64+0x4c/0xa0 [ 26.981343][ T316] ? clear_bhb_loop+0x30/0x80 [ 26.986106][ T316] ? clear_bhb_loop+0x30/0x80 [ 26.990851][ T316] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 26.996815][ T316] RIP: 0033:0x7f1cc07fe169 [ 27.001475][ T316] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 27.008589][ T316] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 27.017061][ T316] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 27.025125][ T316] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.033152][ T316] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [pid 361] <... set_robust_list resumed>) = 0 [pid 359] chdir("./4" [pid 361] rt_sigprocmask(SIG_SETMASK, [] [pid 359] <... chdir resumed>) = 0 [pid 361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 361] chdir("./5" [pid 359] <... prctl resumed>) = 0 [pid 361] <... chdir resumed>) = 0 [pid 359] setpgid(0, 0 [pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 359] <... setpgid resumed>) = 0 [pid 361] <... prctl resumed>) = 0 [pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 361] setpgid(0, 0 [pid 359] <... openat resumed>) = 3 [pid 361] <... setpgid resumed>) = 0 [pid 359] write(3, "1000", 4 [pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 359] <... write resumed>) = 4 [pid 361] <... openat resumed>) = 3 [pid 359] close(3 [pid 361] write(3, "1000", 4 [pid 359] <... close resumed>) = 0 [pid 361] <... write resumed>) = 4 [pid 359] symlink("/dev/binderfs", "./binderfs" [pid 361] close(3 [pid 359] <... symlink resumed>) = 0 [pid 361] <... close resumed>) = 0 [pid 359] write(1, "executing program\n", 18 [pid 361] symlink("/dev/binderfs", "./binderfs" [pid 359] <... write resumed>) = 18 [pid 361] <... symlink resumed>) = 0 [pid 359] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 361] write(1, "executing program\n", 18 [pid 359] <... socket resumed>) = 3 [pid 361] <... write resumed>) = 18 [pid 359] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 361] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 359] <... socket resumed>) = 4 [pid 361] <... socket resumed>) = 3 [pid 359] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 361] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 359] <... connect resumed>) = -1 EEXIST (File exists) [pid 361] <... socket resumed>) = 4 [pid 359] sendfile(-1, -1, [3 [pid 361] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 359] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 361] <... connect resumed>) = -1 EEXIST (File exists) [pid 359] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 361] sendfile(-1, -1, [3 [pid 359] <... clone3 resumed>) = 362 [pid 361] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 359] ioctl(3, PPPIOCSMRU, 0 [pid 361] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 359] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 361] <... clone3 resumed>) = 363 [pid 359] exit_group(0 [pid 361] ioctl(3, PPPIOCSMRU, 0 [pid 359] <... exit_group resumed>) = ? [pid 361] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 359] +++ exited with 0 +++ [pid 361] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 361] <... exit_group resumed>) = ? [pid 361] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program executing program [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 309] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./4/binderfs" [pid 308] newfstatat(AT_FDCWD, "./5/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./4/binderfs" [pid 308] unlink("./5/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 308] close(3 [pid 309] rmdir("./4" [pid 308] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./5" [pid 309] mkdir("./5", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 360] sendfile(-1, -1, [3 [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./6", 0777 [pid 360] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... mkdir resumed>) = 0 [pid 360] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 360] <... clone3 resumed>) = 364 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 360] ioctl(3, PPPIOCSMRU, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 360] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 365 [pid 360] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 366 [pid 360] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 360] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=63 /* 0.63 s */} --- ci2-android-6-1/strace-static-x86_64: Process 366 attached [pid 366] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] chdir("./6") = 0 [pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 366] setpgid(0, 0) = 0 [pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 366] write(3, "1000", 4) = 4 [pid 366] close(3) = 0 [pid 366] symlink("/dev/binderfs", "./binderfs") = 0 [pid 366] write(1, "executing program\n", 18) = 18 [pid 366] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 366] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 366] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 366] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 310] fstat(3 [pid 366] sendfile(-1, -1, [3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 366] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 366] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 366] <... clone3 resumed>) = 367 [pid 310] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 366] ioctl(3, PPPIOCSMRU, 0 [pid 310] unlink("./5/binderfs" [pid 366] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... unlink resumed>) = 0 [pid 366] exit_group(0 [pid 310] getdents64(3 [pid 366] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 366] +++ exited with 0 +++ [pid 310] close(3) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./5" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./6", 0777) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 368 [pid 308] fstat(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./6/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./6") = 0 ci2-android-6-1/strace-static-x86_64: Process 368 attached [pid 308] mkdir("./7", 0777 [pid 368] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... mkdir resumed>) = 0 [pid 368] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 368] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 368] chdir("./6") = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 369 [pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 368] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 368] setpgid(0, 0) = 0 [pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 368] write(3, "1000", 4) = 4 [pid 368] close(3) = 0 [pid 368] symlink("/dev/binderfs", "./binderfs") = 0 [pid 368] write(1, "executing program\n", 18ci2-android-6-1/strace-static-x86_64: Process 369 attached ) = 18 [pid 369] set_robust_list(0x555593f8a6a0, 24 [pid 368] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 369] <... set_robust_list resumed>) = 0 [pid 368] <... socket resumed>) = 3 [pid 369] rt_sigprocmask(SIG_SETMASK, [] [pid 368] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 369] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 368] <... socket resumed>) = 4 [pid 369] chdir("./7" [pid 368] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 369] <... chdir resumed>) = 0 [pid 368] <... connect resumed>) = -1 EEXIST (File exists) [pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 368] sendfile(-1, -1, [3 [pid 369] <... prctl resumed>) = 0 [pid 368] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 369] setpgid(0, 0 [pid 368] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 369] <... setpgid resumed>) = 0 [pid 368] <... clone3 resumed>) = 370 [pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 368] ioctl(3, PPPIOCSMRU, 0 [pid 369] <... openat resumed>) = 3 [pid 368] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 369] write(3, "1000", 4 [pid 368] exit_group(0 [pid 369] <... write resumed>) = 4 [pid 368] <... exit_group resumed>) = ? [pid 369] close(3 [pid 368] +++ exited with 0 +++ [pid 369] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 369] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 369] <... symlink resumed>) = 0 [pid 369] write(1, "executing program\n", 18) = 18 [pid 369] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 369] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 369] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 369] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 369] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 371 [pid 310] <... restart_syscall resumed>) = 0 [pid 369] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 369] exit_group(0 [pid 310] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 369] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 369] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./6/binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./6/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 372 [pid 310] close(3 [pid 308] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 308] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./6" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] mkdir("./7", 0777 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... mkdir resumed>) = 0 [pid 308] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 372 attached [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./7/binderfs" [pid 372] set_robust_list(0x555593f8a6a0, 24 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 372] <... set_robust_list resumed>) = 0 [pid 308] unlink("./7/binderfs" [pid 372] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 373 [pid 308] <... unlink resumed>) = 0 [pid 372] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 372] chdir("./5" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 372] <... chdir resumed>) = 0 [pid 308] close(3 [pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... close resumed>) = 0 [pid 372] <... prctl resumed>) = 0 executing program executing program [pid 308] rmdir("./7" [pid 372] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 372] <... setpgid resumed>) = 0 [pid 308] mkdir("./8", 0777 [pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 372] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 372] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 372] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 372] close(3) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 374 [pid 372] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 372] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 372] write(1, "executing program\n", 18) = 18 [pid 372] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 372] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 372] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 372] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 372] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 374 attached ) = 375 [pid 374] set_robust_list(0x555593f8a6a0, 24 [pid 372] ioctl(3, PPPIOCSMRU, 0 [pid 374] <... set_robust_list resumed>) = 0 [pid 372] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 374] rt_sigprocmask(SIG_SETMASK, [] [pid 372] exit_group(0 [pid 374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 372] <... exit_group resumed>) = ? [pid 374] chdir("./8" [pid 372] +++ exited with 0 +++ [pid 374] <... chdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 374] <... prctl resumed>) = 0 [pid 374] setpgid(0, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 374] <... setpgid resumed>) = 0 [pid 374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rmdir("./4" [pid 374] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 374] write(3, "1000", 4 [pid 307] mkdir("./5", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 374] <... write resumed>) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 374] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 374] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(3 [pid 374] symlink("/dev/binderfs", "./binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 374] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 374] write(1, "executing program\n", 18 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 376 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 374] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 374] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 374] <... socket resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./5/binderfs" [pid 374] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 376 attached [pid 374] <... socket resumed>) = 4 [pid 306] unlink("./5/binderfs" [pid 376] set_robust_list(0x555593f8a6a0, 24 [pid 374] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... unlink resumed>) = 0 [pid 376] <... set_robust_list resumed>) = 0 [pid 374] <... connect resumed>) = 0 [pid 306] getdents64(3 [pid 376] rt_sigprocmask(SIG_SETMASK, [] [pid 374] sendfile(-1, -1, [3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 374] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] close(3 [pid 376] chdir("./5" [pid 374] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... close resumed>) = 0 [pid 376] <... chdir resumed>) = 0 [pid 374] <... clone3 resumed>) = 377 [pid 306] rmdir("./5" [pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 374] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... rmdir resumed>) = 0 [pid 376] <... prctl resumed>) = 0 [pid 374] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 306] mkdir("./6", 0777 [pid 376] setpgid(0, 0 [pid 374] exit_group(0 [pid 306] <... mkdir resumed>) = 0 [pid 376] <... setpgid resumed>) = 0 [pid 374] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 374] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 376] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 376] write(3, "1000", 4) = 4 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 378 [pid 376] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 376] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 376] symlink("/dev/binderfs", "./binderfs") = 0 [pid 376] write(1, "executing program\n", 18) = 18 [pid 376] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 376] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 308] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 378 attached [pid 376] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 378] set_robust_list(0x555593f8a6a0, 24 [pid 376] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 378] <... set_robust_list resumed>) = 0 [pid 376] sendfile(-1, -1, [3 [pid 308] <... openat resumed>) = 3 [pid 378] rt_sigprocmask(SIG_SETMASK, [] [pid 376] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] fstat(3 [pid 378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 376] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 378] chdir("./6" [pid 376] <... clone3 resumed>) = 379 [pid 308] getdents64(3 [pid 378] <... chdir resumed>) = 0 [pid 376] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 376] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 378] <... prctl resumed>) = 0 [pid 376] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 378] setpgid(0, 0 [pid 376] <... exit_group resumed>) = ? [pid 308] newfstatat(AT_FDCWD, "./8/binderfs" [pid 378] <... setpgid resumed>) = 0 [pid 376] +++ exited with 0 +++ [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] unlink("./8/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 378] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 378] write(3, "1000", 4 executing program executing program executing program [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 373 attached ci2-android-6-1/strace-static-x86_64: Process 365 attached [pid 378] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 378] close(3 [pid 373] set_robust_list(0x555593f8a6a0, 24 [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 378] <... close resumed>) = 0 [pid 373] <... set_robust_list resumed>) = 0 [pid 365] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 378] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./8" [pid 307] <... openat resumed>) = 3 [pid 378] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(3 executing program [ 27.040563][ T28] audit: type=1400 audit(1792764289.237:71): avc: denied { add_name } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 27.041158][ T316] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f634758 [ 27.069632][ T316] R13: 0000000000000002 R14: 00007ffd4f634480 R15: 0000000000000000 [ 27.077684][ T316] [ 27.080730][ T316] ---[ end trace 0000000000000000 ]--- [pid 378] write(1, "executing program\n", 18 [pid 308] mkdir("./9", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 378] <... write resumed>) = 18 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 378] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 378] <... socket resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 378] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 378] <... socket resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./5/binderfs" [pid 378] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 380 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 373] rt_sigprocmask(SIG_SETMASK, [] [pid 365] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./5/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 365] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 380 attached [pid 378] <... connect resumed>) = 0 [pid 373] chdir("./7" [pid 365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./5" [pid 380] set_robust_list(0x555593f8a6a0, 24 [pid 378] sendfile(-1, -1, [3 [pid 373] <... chdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 380] <... set_robust_list resumed>) = 0 [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 365] chdir("./5" [pid 307] mkdir("./6", 0777 [pid 380] rt_sigprocmask(SIG_SETMASK, [] [pid 373] <... prctl resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 373] setpgid(0, 0 [pid 365] <... chdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 373] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 378] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 373] <... openat resumed>) = 3 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-1/strace-static-x86_64: Process 381 attached [pid 373] write(3, "1000", 4 [pid 381] set_robust_list(0x555593f8a6a0, 24 [pid 373] <... write resumed>) = 4 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 381 [pid 381] <... set_robust_list resumed>) = 0 [pid 373] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 381] rt_sigprocmask(SIG_SETMASK, [] [pid 373] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 373] symlink("/dev/binderfs", "./binderfs" [pid 381] chdir("./6" [pid 380] chdir("./9" [pid 373] <... symlink resumed>) = 0 [pid 381] <... chdir resumed>) = 0 [pid 378] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 373] write(1, "executing program\n", 18 [pid 365] <... prctl resumed>) = 0 executing program [pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 373] <... write resumed>) = 18 [pid 381] <... prctl resumed>) = 0 [pid 373] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 381] setpgid(0, 0 [pid 373] <... socket resumed>) = 3 [pid 381] <... setpgid resumed>) = 0 [pid 373] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 373] <... socket resumed>) = 4 [pid 381] <... openat resumed>) = 3 [pid 373] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 381] write(3, "1000", 4 [pid 373] <... connect resumed>) = -1 EEXIST (File exists) [pid 381] <... write resumed>) = 4 [pid 373] sendfile(-1, -1, [3 [pid 381] close(3 [pid 373] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 381] <... close resumed>) = 0 [pid 373] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 381] symlink("/dev/binderfs", "./binderfs" [pid 380] <... chdir resumed>) = 0 [pid 373] <... clone3 resumed>) = 382 [pid 365] setpgid(0, 0 [pid 381] <... symlink resumed>) = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 373] ioctl(3, PPPIOCSMRU, 0 [pid 365] <... setpgid resumed>) = 0 [pid 381] write(1, "executing program\n", 18 [pid 380] <... prctl resumed>) = 0 [pid 373] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 381] <... write resumed>) = 18 [pid 380] setpgid(0, 0 [pid 373] exit_group(0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 381] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 380] <... setpgid resumed>) = 0 [pid 373] <... exit_group resumed>) = ? [pid 381] <... socket resumed>) = 3 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 373] +++ exited with 0 +++ [pid 365] <... openat resumed>) = 3 [pid 381] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 380] <... openat resumed>) = 3 [pid 365] write(3, "1000", 4 [pid 380] write(3, "1000", 4 [pid 365] <... write resumed>) = 4 [pid 380] <... write resumed>) = 4 [pid 365] close(3 [pid 380] close(3 [pid 365] <... close resumed>) = 0 [pid 380] <... close resumed>) = 0 [pid 381] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 380] symlink("/dev/binderfs", "./binderfs" [pid 365] symlink("/dev/binderfs", "./binderfs" [pid 381] <... connect resumed>) = -1 EEXIST (File exists) [pid 381] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 381] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 384 [pid 380] <... symlink resumed>) = 0 [pid 378] <... clone3 resumed>) = 383 [pid 365] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 381] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 381] exit_group(0) = ? [pid 381] +++ exited with 0 +++ [pid 380] write(1, "executing program\n", 18 [pid 378] ioctl(3, PPPIOCSMRU, 0 [pid 365] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 380] <... write resumed>) = 18 executing program [pid 380] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 380] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 380] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 380] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 380] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 378] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 365] <... write resumed>) = 18 [pid 380] <... clone3 resumed>) = 385 [pid 380] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 365] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 380] exit_group(0 [pid 378] exit_group(0 [pid 380] <... exit_group resumed>) = ? [pid 378] <... exit_group resumed>) = ? [pid 365] <... socket resumed>) = 3 [pid 380] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 365] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 378] +++ exited with 0 +++ [pid 365] <... socket resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 365] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 365] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 365] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 365] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 365] <... clone3 resumed>) = 386 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 365] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 365] exit_group(0 [pid 307] <... openat resumed>) = 3 [pid 365] <... exit_group resumed>) = ? [pid 307] fstat(3 [pid 365] +++ exited with 0 +++ [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./6/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./6") = 0 [pid 307] mkdir("./7", 0777 [pid 310] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] fstat(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 387 attached ) = -1 EINVAL (Invalid argument) [pid 387] set_robust_list(0x555593f8a6a0, 24 [pid 310] newfstatat(AT_FDCWD, "./7/binderfs" [pid 387] <... set_robust_list resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 387 [pid 387] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./7/binderfs" [pid 387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 387] chdir("./7" [pid 310] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 387] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 387] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 387] setpgid(0, 0 [pid 310] rmdir("./7" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 387] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] mkdir("./8", 0777 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 308] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 387] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 387] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 387] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 387] close(3) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 387] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 388 [pid 309] newfstatat(AT_FDCWD, "./5/binderfs" [pid 308] newfstatat(AT_FDCWD, "./9/binderfs" [pid 306] newfstatat(AT_FDCWD, "./6/binderfs"ci2-android-6-1/strace-static-x86_64: Process 388 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 388] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./5/binderfs" [pid 308] unlink("./9/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 388] <... set_robust_list resumed>) = 0 [pid 387] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./6/binderfs" [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 387] write(1, "executing program\n", 18 [pid 306] <... unlink resumed>) = 0 [pid 388] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 306] getdents64(3 [pid 308] close(3 [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./5" [pid 308] <... close resumed>) = 0 [pid 306] close(3 [pid 388] chdir("./8" [pid 387] <... write resumed>) = 18 executing program [pid 387] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./9" [pid 388] <... chdir resumed>) = 0 [pid 387] <... socket resumed>) = 3 [pid 309] mkdir("./6", 0777 [pid 306] <... close resumed>) = 0 [pid 387] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rmdir resumed>) = 0 [pid 387] <... socket resumed>) = 4 [pid 387] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 387] sendfile(-1, -1, [3 [pid 309] <... mkdir resumed>) = 0 [pid 306] rmdir("./6" [pid 388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 387] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./10", 0777 [pid 387] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 388] <... prctl resumed>) = 0 [pid 387] <... clone3 resumed>) = 389 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 388] setpgid(0, 0 [pid 387] ioctl(3, PPPIOCSMRU, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 388] <... setpgid resumed>) = 0 [pid 387] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./7", 0777 [pid 387] exit_group(0) = ? [pid 387] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 390 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 391 [pid 390] chdir("./6" [pid 388] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 388] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 390] <... chdir resumed>) = 0 [pid 390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 390] setpgid(0, 0) = 0 [pid 390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 388] <... write resumed>) = 4 [pid 390] write(3, "1000", 4) = 4 [pid 390] close(3 [pid 307] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 391 attached [pid 388] close(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 392 [pid 388] <... close resumed>) = 0 [pid 307] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 392 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 391] set_robust_list(0x555593f8a6a0, 24 [pid 390] <... close resumed>) = 0 [pid 388] symlink("/dev/binderfs", "./binderfs" [pid 392] set_robust_list(0x555593f8a6a0, 24 [pid 391] <... set_robust_list resumed>) = 0 [pid 390] symlink("/dev/binderfs", "./binderfs" [pid 388] <... symlink resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 392] <... set_robust_list resumed>) = 0 [pid 391] rt_sigprocmask(SIG_SETMASK, [] [pid 390] <... symlink resumed>) = 0 executing program [pid 388] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 392] rt_sigprocmask(SIG_SETMASK, [] [pid 391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 390] write(1, "executing program\n", 18 [pid 388] <... write resumed>) = 18 [pid 307] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 392] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 390] <... write resumed>) = 18 [pid 388] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 392] chdir("./7" [pid 390] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 388] <... socket resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./7/binderfs" [pid 392] <... chdir resumed>) = 0 [pid 391] chdir("./10" [pid 390] <... socket resumed>) = 3 [pid 388] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 391] <... chdir resumed>) = 0 [pid 390] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 388] <... socket resumed>) = 4 [pid 307] unlink("./7/binderfs" [pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 388] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 392] <... prctl resumed>) = 0 [pid 390] <... socket resumed>) = 4 [pid 307] <... unlink resumed>) = 0 [pid 388] <... connect resumed>) = -1 EEXIST (File exists) [pid 392] setpgid(0, 0 [pid 391] <... prctl resumed>) = 0 [pid 390] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [ 27.088103][ T28] audit: type=1400 audit(1792764289.237:72): avc: denied { create } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 27.108919][ T28] audit: type=1400 audit(1792764289.237:73): avc: denied { append open } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [pid 388] sendfile(-1, -1, [3 [pid 307] getdents64(3 [pid 391] setpgid(0, 0 [pid 388] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 391] <... setpgid resumed>) = 0 [pid 388] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 392] <... setpgid resumed>) = 0 [pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 390] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] close(3 [pid 391] <... openat resumed>) = 3 [pid 388] <... clone3 resumed>) = 393 [pid 307] <... close resumed>) = 0 [pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 391] write(3, "1000", 4 [pid 388] ioctl(3, PPPIOCSMRU, 0 [pid 307] rmdir("./7" [pid 391] <... write resumed>) = 4 [pid 388] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 391] close(3 [pid 388] exit_group(0 [pid 307] <... rmdir resumed>) = 0 [pid 391] <... close resumed>) = 0 [pid 388] <... exit_group resumed>) = ? [pid 392] <... openat resumed>) = 3 [pid 391] symlink("/dev/binderfs", "./binderfs" [pid 390] sendfile(-1, -1, [3 [pid 307] mkdir("./8", 0777 [pid 391] <... symlink resumed>) = 0 [pid 388] +++ exited with 0 +++ [pid 391] write(1, "executing program\n", 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 307] <... mkdir resumed>) = 0 [pid 390] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 392] write(3, "1000", 4 [pid 391] <... write resumed>) = 18 [pid 390] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 391] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 391] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 392] <... write resumed>) = 4 [pid 391] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 391] <... connect resumed>) = -1 EEXIST (File exists) [pid 391] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 391] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 392] close(3 [pid 391] <... clone3 resumed>) = 395 [pid 391] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 394 [pid 392] <... close resumed>) = 0 [pid 391] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 392] symlink("/dev/binderfs", "./binderfs" [pid 391] exit_group(0 [pid 390] <... clone3 resumed>) = 396 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 391] <... exit_group resumed>) = ? [pid 392] <... symlink resumed>) = 0 [pid 391] +++ exited with 0 +++ [pid 390] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 392] write(1, "executing program\n", 18 [pid 390] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) ci2-android-6-1/strace-static-x86_64: Process 394 attached [pid 394] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] chdir("./8") = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 394] setpgid(0, 0) = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 394] write(3, "1000", 4) = 4 [pid 394] close(3) = 0 [pid 394] symlink("/dev/binderfs", "./binderfs") = 0 [pid 394] write(1, "executing program\n", 18 [pid 392] <... write resumed>) = 18 executing program [pid 392] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 390] exit_group(0 [pid 394] <... write resumed>) = 18 executing program [pid 394] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 394] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 394] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 394] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 392] <... socket resumed>) = 3 [pid 390] <... exit_group resumed>) = ? [pid 392] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 392] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 390] +++ exited with 0 +++ [pid 392] <... connect resumed>) = -1 EEXIST (File exists) [pid 392] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 392] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 397 [pid 392] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 392] exit_group(0) = ? [pid 392] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./8/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./8") = 0 [pid 310] mkdir("./9", 0777) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 398 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 398 attached [pid 398] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] chdir("./9") = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 398] setpgid(0, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./10/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./6/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./7/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./10/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./6/binderfs" [pid 308] <... unlink resumed>) = 0 [ 27.184177][ T377] ------------[ cut here ]------------ [ 27.189713][ T377] WARNING: CPU: 1 PID: 377 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 27.199912][ T377] Modules linked in: [ 27.204141][ T377] CPU: 1 PID: 377 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 27.213588][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 27.223905][ T377] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 306] unlink("./7/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 398] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] close(3 [pid 308] <... close resumed>) = 0 [pid 306] close(3 [pid 398] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./10" [pid 306] <... close resumed>) = 0 [pid 398] write(3, "1000", 4 [pid 309] rmdir("./6" [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./7" [pid 398] <... write resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 308] mkdir("./11", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 398] close(3 [pid 309] mkdir("./7", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 306] mkdir("./8", 0777 [pid 398] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 398] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 398] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 398] write(1, "executing program\n", 18 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 398] <... write resumed>) = 18 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 399 [pid 398] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 400 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 401 [pid 398] <... socket resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 398] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 398] <... socket resumed>) = 4 [pid 398] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 398] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 398] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 402 ci2-android-6-1/strace-static-x86_64: Process 401 attached ci2-android-6-1/strace-static-x86_64: Process 399 attached [pid 398] ioctl(3, PPPIOCSMRU, 0 [pid 401] set_robust_list(0x555593f8a6a0, 24 [pid 399] set_robust_list(0x555593f8a6a0, 24 [pid 398] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 401] <... set_robust_list resumed>) = 0 [pid 399] <... set_robust_list resumed>) = 0 [pid 398] exit_group(0 [pid 401] rt_sigprocmask(SIG_SETMASK, [] [pid 399] rt_sigprocmask(SIG_SETMASK, [] [pid 398] <... exit_group resumed>) = ? [pid 401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 398] +++ exited with 0 +++ [pid 401] chdir("./8" [pid 399] chdir("./11" [pid 401] <... chdir resumed>) = 0 [pid 399] <... chdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 401] <... prctl resumed>) = 0 [pid 399] <... prctl resumed>) = 0 [pid 401] setpgid(0, 0 [pid 399] setpgid(0, 0 [pid 401] <... setpgid resumed>) = 0 [ 27.230291][ T377] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 27.250198][ T377] RSP: 0018:ffffc90001007b90 EFLAGS: 00010293 [ 27.256380][ T377] RAX: ffffffff849ca097 RBX: ffff88810923d000 RCX: ffff88811062bcc0 [ 27.264421][ T377] RDX: 0000000000000000 RSI: 000000000d7caf40 RDI: 000000000c04eb7d [ 27.272503][ T377] RBP: ffffc90001007bb0 R08: ffff88810923d083 R09: 1ffff11021247a10 [pid 399] <... setpgid resumed>) = 0 [pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 401] <... openat resumed>) = 3 [pid 399] <... openat resumed>) = 3 [pid 401] write(3, "1000", 4 [pid 399] write(3, "1000", 4 [pid 401] <... write resumed>) = 4 [pid 399] <... write resumed>) = 4 [pid 401] close(3 [pid 399] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 401] <... close resumed>) = 0 [pid 399] <... close resumed>) = 0 [pid 401] symlink("/dev/binderfs", "./binderfs" [pid 399] symlink("/dev/binderfs", "./binderfs" [pid 401] <... symlink resumed>) = 0 [pid 399] <... symlink resumed>) = 0 [pid 310] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 401] write(1, "executing program\n", 18 [pid 399] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 401] <... write resumed>) = 18 [pid 399] <... write resumed>) = 18 [pid 310] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 401] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 399] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... openat resumed>) = 3 [pid 401] <... socket resumed>) = 3 [pid 399] <... socket resumed>) = 3 [pid 310] fstat(3 [pid 401] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 399] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 401] <... socket resumed>) = 4 [pid 399] <... socket resumed>) = 4 [pid 310] getdents64(3 [pid 401] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 399] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 401] <... connect resumed>) = -1 EEXIST (File exists) [pid 399] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 401] sendfile(-1, -1, [3 [pid 399] sendfile(-1, -1, [3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 401] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 399] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./9/binderfs" [pid 401] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 399] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 401] <... clone3 resumed>) = 403 [pid 399] <... clone3 resumed>) = 404 [pid 310] unlink("./9/binderfs" [pid 401] ioctl(3, PPPIOCSMRU, 0 [pid 399] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... unlink resumed>) = 0 [pid 401] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 399] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] getdents64(3 [pid 401] exit_group(0 [pid 399] exit_group(0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [ 27.280947][ T377] R10: dffffc0000000000 R11: ffffed1021247a11 R12: dffffc0000000000 [ 27.289008][ T377] R13: dffffc0000000000 R14: 000000000d7caf40 R15: ffff888110293400 [ 27.297062][ T377] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.306068][ T377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.312707][ T377] CR2: 0000200000000246 CR3: 000000000700f000 CR4: 00000000003506a0 [ 27.320737][ T377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 401] <... exit_group resumed>) = ? [pid 399] <... exit_group resumed>) = ? [pid 310] close(3 [pid 401] +++ exited with 0 +++ [pid 399] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./9" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] mkdir("./10", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 400 attached [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 405 [pid 308] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 400] set_robust_list(0x555593f8a6a0, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 306] fstat(3 [pid 400] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 405 attached [pid 400] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 405] set_robust_list(0x555593f8a6a0, 24 [pid 400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 405] <... set_robust_list resumed>) = 0 [pid 400] chdir("./7" [pid 308] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 405] rt_sigprocmask(SIG_SETMASK, [] [pid 400] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 400] prctl(PR_SET_PDEATHSIG, SIGKILL [ 27.328788][ T377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.336842][ T377] Call Trace: [ 27.340162][ T377] [ 27.343153][ T377] pppol2tp_release+0x150/0x2b0 [ 27.348057][ T377] sock_close+0xc9/0x220 [ 27.352405][ T377] ? __cfi_sock_close+0x10/0x10 [ 27.357337][ T377] __fput+0x1fd/0x8f0 [ 27.361362][ T377] ____fput+0x15/0x20 [ 27.365447][ T377] task_work_run+0x1e1/0x250 [ 27.370074][ T377] ? __cfi_task_work_run+0x10/0x10 [ 27.375272][ T377] ? free_nsproxy+0x21f/0x270 [ 27.380036][ T377] do_exit+0xb0d/0x29f0 [pid 308] newfstatat(AT_FDCWD, "./11/binderfs" [pid 306] newfstatat(AT_FDCWD, "./8/binderfs" [pid 405] chdir("./10" [pid 400] <... prctl resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 405] <... chdir resumed>) = 0 [pid 400] setpgid(0, 0 [pid 308] unlink("./11/binderfs" [pid 306] unlink("./8/binderfs" [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 400] <... setpgid resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 405] <... prctl resumed>) = 0 [pid 400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 405] setpgid(0, 0 [pid 400] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 405] <... setpgid resumed>) = 0 [pid 400] write(3, "1000", 4 [pid 308] close(3 [pid 306] close(3 [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 400] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 405] <... openat resumed>) = 3 [pid 400] close(3 [pid 308] rmdir("./11" [pid 306] rmdir("./8" [pid 405] write(3, "1000", 4 [pid 400] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 405] <... write resumed>) = 4 [pid 400] symlink("/dev/binderfs", "./binderfs" [pid 308] mkdir("./12", 0777 [pid 306] mkdir("./9", 0777 [pid 405] close(3 [pid 400] <... symlink resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 405] <... close resumed>) = 0 [pid 400] write(1, "executing program\n", 18 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 405] symlink("/dev/binderfs", "./binderfs" [pid 400] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 405] <... symlink resumed>) = 0 [pid 400] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 405] write(1, "executing program\n", 18 [pid 400] <... socket resumed>) = 3 [pid 405] <... write resumed>) = 18 [pid 400] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 406 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 407 [pid 405] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 400] <... socket resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 405] <... socket resumed>) = 3 [pid 400] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 405] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 400] <... connect resumed>) = -1 ENODEV (No such device) [pid 405] <... socket resumed>) = 4 [pid 400] sendfile(-1, -1, [3 [pid 405] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 400] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) ci2-android-6-1/strace-static-x86_64: Process 407 attached [pid 405] <... connect resumed>) = -1 ENODEV (No such device) [pid 400] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 407] set_robust_list(0x555593f8a6a0, 24 [pid 405] sendfile(-1, -1, [3 [pid 400] <... clone3 resumed>) = 408 ci2-android-6-1/strace-static-x86_64: Process 406 attached [pid 407] <... set_robust_list resumed>) = 0 [pid 405] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 400] ioctl(3, PPPIOCSMRU, 0 [pid 407] rt_sigprocmask(SIG_SETMASK, [] [pid 406] set_robust_list(0x555593f8a6a0, 24 [pid 405] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 400] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 406] <... set_robust_list resumed>) = 0 [pid 405] <... clone3 resumed>) = 409 [ 27.384286][ T377] ? __cfi_do_exit+0x10/0x10 [ 27.388917][ T377] ? xfd_validate_state+0x70/0x150 [ 27.394153][ T377] ? __kasan_check_write+0x14/0x20 [ 27.399309][ T377] __x64_sys_exit+0x40/0x40 [ 27.403900][ T377] x64_sys_call+0x67/0x9a0 [ 27.408362][ T377] do_syscall_64+0x4c/0xa0 [ 27.412854][ T377] ? clear_bhb_loop+0x30/0x80 [ 27.417610][ T377] ? clear_bhb_loop+0x30/0x80 [ 27.422365][ T377] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 27.428301][ T377] RIP: 0033:0x7f1cc07fe169 [pid 400] exit_group(0 [pid 407] chdir("./9" [pid 406] rt_sigprocmask(SIG_SETMASK, [] [pid 405] ioctl(3, PPPIOCSMRU, 0 [pid 400] <... exit_group resumed>) = ? [pid 407] <... chdir resumed>) = 0 [pid 406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 405] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 400] +++ exited with 0 +++ [pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 406] chdir("./12" [pid 405] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 407] <... prctl resumed>) = 0 [pid 406] <... chdir resumed>) = 0 [pid 405] <... exit_group resumed>) = ? [pid 407] setpgid(0, 0 [pid 406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 405] +++ exited with 0 +++ [pid 407] <... setpgid resumed>) = 0 [pid 406] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 406] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 407] <... openat resumed>) = 3 [pid 406] <... setpgid resumed>) = 0 [pid 407] write(3, "1000", 4 [pid 406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 407] <... write resumed>) = 4 [pid 406] <... openat resumed>) = 3 [pid 407] close(3 [pid 406] write(3, "1000", 4 [pid 407] <... close resumed>) = 0 [pid 406] <... write resumed>) = 4 [pid 407] symlink("/dev/binderfs", "./binderfs" [pid 406] close(3 [pid 407] <... symlink resumed>) = 0 [pid 406] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 407] write(1, "executing program\n", 18 executing program [pid 406] symlink("/dev/binderfs", "./binderfs" [pid 407] <... write resumed>) = 18 [pid 406] <... symlink resumed>) = 0 [pid 407] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 406] write(1, "executing program\n", 18 executing program [pid 310] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 407] <... socket resumed>) = 3 [pid 406] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 407] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 406] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 407] <... socket resumed>) = 4 [pid 406] <... socket resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 407] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 406] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 407] <... connect resumed>) = -1 ENODEV (No such device) [pid 406] <... socket resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 407] sendfile(-1, -1, [3 [pid 406] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 407] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 406] <... connect resumed>) = -1 ENODEV (No such device) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 407] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 406] sendfile(-1, -1, [3 [pid 310] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 407] <... clone3 resumed>) = 410 [pid 406] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 407] ioctl(3, PPPIOCSMRU, 0 [pid 406] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] newfstatat(AT_FDCWD, "./10/binderfs" [pid 309] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 407] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 406] <... clone3 resumed>) = 411 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 407] exit_group(0 [pid 406] ioctl(3, PPPIOCSMRU, 0 [pid 310] unlink("./10/binderfs" [ 27.432783][ T377] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 27.439856][ T377] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 27.448348][ T377] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 27.456443][ T377] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.464494][ T377] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 27.472528][ T377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 309] newfstatat(AT_FDCWD, "./7/binderfs" [pid 407] <... exit_group resumed>) = ? [pid 406] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 407] +++ exited with 0 +++ [pid 406] exit_group(0 [pid 310] getdents64(3 [pid 309] unlink("./7/binderfs" [pid 406] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 406] +++ exited with 0 +++ [pid 310] close(3 [pid 309] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 394] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rmdir("./10" [pid 309] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 394] <... clone3 resumed>) = 412 [pid 310] mkdir("./11", 0777 [pid 309] rmdir("./7" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 394] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 394] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./8", 0777 [pid 308] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 394] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 394] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 308] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 394] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 413 attached [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 413 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 413] set_robust_list(0x555593f8a6a0, 24 [pid 308] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 413] <... set_robust_list resumed>) = 0 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] chdir("./11") = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 414 [pid 308] newfstatat(AT_FDCWD, "./12/binderfs" [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 [pid 413] symlink("/dev/binderfs", "./binderfs") = 0 [pid 413] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 413] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 308] unlink("./12/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 413] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 413] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 413] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./9/binderfs" [pid 413] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 413] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 414 attached [pid 308] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 414] set_robust_list(0x555593f8a6a0, 24 [pid 413] <... clone3 resumed>) = 415 [pid 413] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] unlink("./9/binderfs" [pid 413] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 413] exit_group(0) = ? [pid 414] <... set_robust_list resumed>) = 0 [pid 308] close(3 [pid 306] <... unlink resumed>) = 0 [pid 413] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 414] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./12" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 414] chdir("./8" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 414] <... chdir resumed>) = 0 [pid 308] mkdir("./13", 0777 [pid 306] <... close resumed>) = 0 [pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 414] setpgid(0, 0) = 0 [pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./9" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 414] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./10", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 414] <... write resumed>) = 4 [pid 414] close(3) = 0 [pid 414] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 414] write(1, "executing program\n", 18) = 18 [pid 414] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 414] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 414] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 416 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 414] <... connect resumed>) = -1 EEXIST (File exists) [pid 414] sendfile(-1, -1, [3 [pid 307] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 414] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 414] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 418 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 414] ioctl(3, PPPIOCSMRU, 0 [pid 307] newfstatat(AT_FDCWD, "./8/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 417 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 414] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] unlink("./8/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 414] exit_group(0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 414] <... exit_group resumed>) = ? [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 416 attached [pid 414] +++ exited with 0 +++ [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 417 attached [pid 417] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 417] chdir("./10" [pid 307] rmdir("./8" [pid 417] <... chdir resumed>) = 0 [pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 417] setpgid(0, 0) = 0 [pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 417] write(3, "1000", 4) = 4 [pid 417] close(3) = 0 [pid 417] symlink("/dev/binderfs", "./binderfs") = 0 [pid 417] write(1, "executing program\n", 18) = 18 executing program [pid 417] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 417] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 417] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 417] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 417] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 416] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] mkdir("./9", 0777 [pid 417] <... clone3 resumed>) = 419 [pid 416] <... set_robust_list resumed>) = 0 [pid 417] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 416] rt_sigprocmask(SIG_SETMASK, [] [pid 417] exit_group(0) = ? [pid 416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 417] +++ exited with 0 +++ [pid 416] chdir("./13" [pid 309] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 416] <... chdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 416] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 416] setpgid(0, 0) = 0 [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 416] write(3, "1000", 4) = 4 [pid 416] close(3 [pid 309] fstat(3 [pid 416] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 420 [pid 416] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] getdents64(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 416] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./11/binderfs" [pid 416] write(1, "executing program\n", 18 [pid 309] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./11/binderfs" [pid 309] newfstatat(AT_FDCWD, "./8/binderfs" [pid 416] <... write resumed>) = 18 [pid 416] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 310] <... unlink resumed>) = 0 executing program [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 416] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] unlink("./8/binderfs" [pid 310] getdents64(3 [pid 416] <... socket resumed>) = 4 [pid 416] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] close(3 [pid 309] getdents64(3 [pid 416] <... connect resumed>) = -1 EEXIST (File exists) [pid 416] sendfile(-1, -1, [3 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 416] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./11" [pid 309] close(3 [pid 416] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 420 attached ) = 421 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 416] ioctl(3, PPPIOCSMRU, 0 [pid 310] mkdir("./12", 0777 [pid 309] rmdir("./8" [pid 416] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 416] exit_group(0) = ? [pid 420] set_robust_list(0x555593f8a6a0, 24 [pid 416] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./9", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 420] <... set_robust_list resumed>) = 0 [pid 420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 420] chdir("./9" [pid 309] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 420] <... chdir resumed>) = 0 [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 420] setpgid(0, 0) = 0 [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 420] write(3, "1000", 4) = 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 422 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 420] close(3) = 0 [pid 420] symlink("/dev/binderfs", "./binderfs") = 0 [pid 420] write(1, "executing program\n", 18) = 18 [pid 306] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 423 [pid 308] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 420] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 420] <... socket resumed>) = 3 executing program [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 420] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./13/binderfs" [pid 306] newfstatat(AT_FDCWD, "./10/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./13/binderfs" [pid 306] unlink("./10/binderfs" [pid 420] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... unlink resumed>) = 0 [pid 420] <... connect resumed>) = -1 EEXIST (File exists) [pid 420] sendfile(-1, -1, [3 [pid 308] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 420] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) ci2-android-6-1/strace-static-x86_64: Process 422 attached [pid 420] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... close resumed>) = 0 [pid 306] close(3 [pid 308] rmdir("./13" [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 423 attached [pid 422] set_robust_list(0x555593f8a6a0, 24 [pid 420] <... clone3 resumed>) = 424 [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./10" [pid 420] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 420] exit_group(0) = ? [pid 423] set_robust_list(0x555593f8a6a0, 24 [pid 422] <... set_robust_list resumed>) = 0 [pid 308] mkdir("./14", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 423] <... set_robust_list resumed>) = 0 [pid 420] +++ exited with 0 +++ [pid 423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 423] chdir("./9") = 0 [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 423] setpgid(0, 0) = 0 [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 423] write(3, "1000", 4) = 4 [pid 423] close(3) = 0 [pid 423] symlink("/dev/binderfs", "./binderfs") = 0 [pid 423] write(1, "executing program\n", 18) = 18 [pid 423] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... mkdir resumed>) = 0 executing program [pid 306] mkdir("./11", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 423] <... socket resumed>) = 3 [pid 423] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 423] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... mkdir resumed>) = 0 [pid 423] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 423] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 423] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 426 [pid 423] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 425 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 423] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 423] exit_group(0) = ? [pid 423] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 425 attached [pid 425] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] chdir("./14") = 0 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 425] setpgid(0, 0) = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 425] write(3, "1000", 4) = 4 [pid 425] close(3) = 0 [pid 425] symlink("/dev/binderfs", "./binderfs") = 0 [pid 425] write(1, "executing program\n", 18) = 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 427 [pid 425] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 425] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 425] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 425] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 425] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 428 [pid 307] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 425] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 425] exit_group(0) = ? [pid 425] +++ exited with 0 +++ [pid 422] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 427 attached [pid 427] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 427] chdir("./11") = 0 [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 427] setpgid(0, 0) = 0 [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 427] write(3, "1000", 4) = 4 [pid 427] close(3) = 0 [pid 427] symlink("/dev/binderfs", "./binderfs") = 0 [pid 427] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 427] <... write resumed>) = 18 [pid 427] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 309] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 427] <... socket resumed>) = 3 [pid 427] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 427] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 427] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 427] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 422] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 427] <... clone3 resumed>) = 429 [pid 427] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 427] exit_group(0) = ? [pid 427] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 422] chdir("./12" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 422] <... chdir resumed>) = 0 [pid 309] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./9/binderfs" [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 422] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 307] unlink("./9/binderfs" [pid 422] setpgid(0, 0) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... unlink resumed>) = 0 [pid 422] <... openat resumed>) = 3 [pid 309] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 422] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./9/binderfs" [pid 307] close(3 [pid 422] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 422] <... symlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 422] write(1, "executing program\n", 18 [pid 309] unlink("./9/binderfs" [pid 422] <... write resumed>) = 18 [pid 307] rmdir("./9" [pid 422] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] <... unlink resumed>) = 0 [pid 422] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 executing program [pid 309] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 422] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] mkdir("./10", 0777 [pid 422] sendfile(-1, -1, [3 [pid 309] close(3 [pid 422] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 422] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... close resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 422] <... clone3 resumed>) = 430 [pid 309] rmdir("./9" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 422] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 422] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 422] <... exit_group resumed>) = ? [pid 309] mkdir("./10", 0777 [pid 422] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 431 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 432 attached ci2-android-6-1/strace-static-x86_64: Process 431 attached [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 432 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 432] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 310] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] getdents64(3 [pid 310] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./12/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 27.480537][ T377] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 0000000000000008 [ 27.488598][ T377] [ 27.491741][ T377] ---[ end trace 0000000000000000 ]--- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./14/binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 310] unlink("./12/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] unlink("./14/binderfs" [pid 310] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 310] close(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 308] close(3 [pid 306] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./12" [pid 308] <... close resumed>) = 0 [pid 431] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rmdir resumed>) = 0 [pid 308] rmdir("./14" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./13", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 432] <... set_robust_list resumed>) = 0 [pid 431] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] mkdir("./15", 0777 [pid 306] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 432] rt_sigprocmask(SIG_SETMASK, [] [pid 431] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... mkdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(3 [pid 432] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 432] chdir("./10" [pid 431] chdir("./10" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 433 attached [pid 432] <... chdir resumed>) = 0 [pid 431] <... chdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 433 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 434 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 434] set_robust_list(0x555593f8a6a0, 24 [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 434 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 434] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 434] rt_sigprocmask(SIG_SETMASK, [] [pid 432] <... prctl resumed>) = 0 [pid 431] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 434] chdir("./15" [pid 432] setpgid(0, 0 [pid 431] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 434] <... chdir resumed>) = 0 [pid 432] <... setpgid resumed>) = 0 [pid 431] <... setpgid resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./11/binderfs" [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 434] <... openat resumed>) = 3 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] unlink("./11/binderfs" [pid 432] <... openat resumed>) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 306] <... unlink resumed>) = 0 [pid 434] symlink("/dev/binderfs", "./binderfs") = 0 [pid 432] write(3, "1000", 4 [pid 431] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 434] write(1, "executing program\n", 18) = 18 [pid 432] <... write resumed>) = 4 executing program [pid 431] write(3, "1000", 4 [pid 432] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 434] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 432] <... close resumed>) = 0 [pid 431] <... write resumed>) = 4 [pid 306] close(3 [pid 432] symlink("/dev/binderfs", "./binderfs" [pid 431] close(3 [pid 306] <... close resumed>) = 0 [pid 434] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 434] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 432] <... symlink resumed>) = 0 [pid 431] <... close resumed>) = 0 [pid 306] rmdir("./11" [pid 432] write(1, "executing program\n", 18 [pid 431] symlink("/dev/binderfs", "./binderfs" [pid 434] <... connect resumed>) = -1 EEXIST (File exists) [pid 434] sendfile(-1, -1, [3 [pid 306] <... rmdir resumed>) = 0 [pid 434] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 434] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 433] set_robust_list(0x555593f8a6a0, 24 [pid 432] <... write resumed>) = 18 [pid 431] <... symlink resumed>) = 0 [pid 306] mkdir("./12", 0777 [pid 434] <... clone3 resumed>) = 435 [pid 433] <... set_robust_list resumed>) = 0 [pid 432] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 431] write(1, "executing program\n", 18 [pid 434] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 434] exit_group(0) = ? executing program [pid 306] <... mkdir resumed>) = 0 [pid 434] +++ exited with 0 +++ [pid 433] rt_sigprocmask(SIG_SETMASK, [] [pid 432] <... socket resumed>) = 3 [pid 431] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 432] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 431] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 432] <... socket resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 431] <... socket resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 433] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 432] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 433] chdir("./13") = 0 [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 433] setpgid(0, 0 [pid 432] <... connect resumed>) = -1 EEXIST (File exists) [pid 431] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 436 [pid 432] sendfile(-1, -1, [3 [pid 431] <... socket resumed>) = 4 [pid 433] <... setpgid resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 431] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 432] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 431] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 432] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 431] sendfile(-1, -1, [3 [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 433] write(3, "1000", 4) = 4 [pid 433] close(3) = 0 [pid 433] symlink("/dev/binderfs", "./binderfs") = 0 [pid 432] <... clone3 resumed>) = 437 [pid 431] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 433] write(1, "executing program\n", 18 [pid 432] ioctl(3, PPPIOCSMRU, 0 [pid 431] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 432] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 433] <... write resumed>) = 18 [pid 433] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 433] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 433] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 433] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 433] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 431] <... clone3 resumed>) = 438 [pid 433] <... clone3 resumed>) = 439 [pid 432] exit_group(0 [pid 431] ioctl(3, PPPIOCSMRU, 0 [pid 432] <... exit_group resumed>) = ? [pid 431] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 433] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 433] exit_group(0) = ? [pid 433] +++ exited with 0 +++ [pid 432] +++ exited with 0 +++ [pid 431] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 431] <... exit_group resumed>) = ? [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 436 attached [pid 436] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 431] +++ exited with 0 +++ [pid 310] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3 [pid 308] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 436] chdir("./12" [pid 310] getdents64(3 [pid 308] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 436] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... openat resumed>) = 3 [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 436] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 436] setpgid(0, 0 [pid 310] newfstatat(AT_FDCWD, "./13/binderfs" [pid 308] getdents64(3 [pid 436] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] unlink("./13/binderfs" [pid 308] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 436] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 436] write(3, "1000", 4 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./15/binderfs" [pid 436] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 436] close(3 [pid 310] close(3 [pid 308] unlink("./15/binderfs" [pid 436] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 436] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./13" [pid 308] getdents64(3 [pid 436] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 436] write(1, "executing program\n", 18 [pid 310] mkdir("./14", 0777 executing program [pid 308] close(3 [pid 436] <... write resumed>) = 18 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 436] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./15" [pid 436] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 436] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] mkdir("./16", 0777 [pid 307] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 440 [pid 436] <... socket resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 440 attached [pid 436] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 440] set_robust_list(0x555593f8a6a0, 24 [pid 436] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 440] <... set_robust_list resumed>) = 0 [pid 436] sendfile(-1, -1, [3 [pid 309] fstat(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(3 [pid 440] rt_sigprocmask(SIG_SETMASK, [] [pid 436] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./10/binderfs" [pid 436] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 441 [pid 309] unlink("./10/binderfs" [pid 307] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./10") = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 436] <... clone3 resumed>) = 442 [pid 309] mkdir("./11", 0777 [pid 307] newfstatat(AT_FDCWD, "./10/binderfs"ci2-android-6-1/strace-static-x86_64: Process 441 attached [pid 440] chdir("./14" [pid 436] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... mkdir resumed>) = 0 [pid 436] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 440] <... chdir resumed>) = 0 [pid 436] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 436] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./10/binderfs" [pid 436] +++ exited with 0 +++ [pid 440] <... prctl resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 443 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 440] setpgid(0, 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 440] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 443 attached [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 441] set_robust_list(0x555593f8a6a0, 24 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] close(3) = 0 [pid 440] <... openat resumed>) = 3 [pid 307] rmdir("./10" [pid 443] set_robust_list(0x555593f8a6a0, 24 [pid 441] <... set_robust_list resumed>) = 0 [pid 440] write(3, "1000", 4 [pid 307] <... rmdir resumed>) = 0 [pid 443] <... set_robust_list resumed>) = 0 [pid 441] rt_sigprocmask(SIG_SETMASK, [] [pid 440] <... write resumed>) = 4 [pid 443] rt_sigprocmask(SIG_SETMASK, [] [pid 441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 440] close(3 [pid 443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 441] chdir("./16" [pid 440] <... close resumed>) = 0 [pid 307] mkdir("./11", 0777 [pid 443] chdir("./11" [pid 441] <... chdir resumed>) = 0 [pid 440] symlink("/dev/binderfs", "./binderfs" [pid 443] <... chdir resumed>) = 0 [pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 440] <... symlink resumed>) = 0 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 441] <... prctl resumed>) = 0 [pid 440] write(1, "executing program\n", 18 [pid 443] <... prctl resumed>) = 0 [pid 441] setpgid(0, 0 [pid 440] <... write resumed>) = 18 [pid 443] setpgid(0, 0 [pid 441] <... setpgid resumed>) = 0 executing program [pid 440] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 443] <... setpgid resumed>) = 0 [pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 440] <... socket resumed>) = 3 [pid 307] <... mkdir resumed>) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 441] <... openat resumed>) = 3 [pid 440] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 443] <... openat resumed>) = 3 [pid 441] write(3, "1000", 4 [pid 440] <... socket resumed>) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 443] write(3, "1000", 4 [pid 441] <... write resumed>) = 4 [pid 440] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 443] <... write resumed>) = 4 [pid 441] close(3 [pid 440] <... connect resumed>) = -1 EEXIST (File exists) [pid 443] close(3 [pid 441] <... close resumed>) = 0 [pid 440] sendfile(-1, -1, [3 [pid 443] <... close resumed>) = 0 [pid 441] symlink("/dev/binderfs", "./binderfs" [pid 440] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 443] symlink("/dev/binderfs", "./binderfs" [pid 441] <... symlink resumed>) = 0 [pid 440] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 443] <... symlink resumed>) = 0 [pid 441] write(1, "executing program\n", 18 [pid 440] <... clone3 resumed>) = 444 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 443] write(1, "executing program\n", 18 [pid 441] <... write resumed>) = 18 [pid 440] ioctl(3, PPPIOCSMRU, 0 [pid 443] <... write resumed>) = 18 [pid 441] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 440] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 443] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 441] <... socket resumed>) = 3 [pid 440] exit_group(0 [pid 443] <... socket resumed>) = 3 [pid 441] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 440] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 445 attached [pid 443] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 441] <... socket resumed>) = 4 [pid 440] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 445 [pid 443] <... socket resumed>) = 4 [pid 441] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 443] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 441] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 443] <... connect resumed>) = -1 EEXIST (File exists) [pid 441] sendfile(-1, -1, [3 [pid 443] sendfile(-1, -1, [3 [pid 441] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 443] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 441] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 445] set_robust_list(0x555593f8a6a0, 24 [pid 443] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 445] <... set_robust_list resumed>) = 0 [pid 443] <... clone3 resumed>) = 447 [pid 441] <... clone3 resumed>) = 446 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 443] ioctl(3, PPPIOCSMRU, 0 [pid 441] ioctl(3, PPPIOCSMRU, 0 [pid 443] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 441] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 443] exit_group(0 [pid 441] exit_group(0 [pid 443] <... exit_group resumed>) = ? [pid 441] <... exit_group resumed>) = ? [pid 445] rt_sigprocmask(SIG_SETMASK, [] [pid 443] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 441] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... openat resumed>) = 3 [pid 445] chdir("./11" [pid 306] fstat(3 [pid 309] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 445] <... chdir resumed>) = 0 [pid 306] getdents64(3 [pid 309] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... openat resumed>) = 3 [pid 445] <... prctl resumed>) = 0 [pid 306] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 445] setpgid(0, 0) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./12/binderfs" [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 445] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] unlink("./12/binderfs" [pid 445] write(3, "1000", 4 [pid 309] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 445] <... write resumed>) = 4 [pid 445] close(3) = 0 [pid 445] symlink("/dev/binderfs", "./binderfs" [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./11/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./11/binderfs" [pid 445] <... symlink resumed>) = 0 [pid 306] close(3 [pid 445] write(1, "executing program\n", 18) = 18 [pid 445] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 executing program [pid 309] getdents64(3 [pid 306] rmdir("./12" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 445] <... socket resumed>) = 3 [pid 309] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 445] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... close resumed>) = 0 [pid 306] mkdir("./13", 0777 [pid 309] rmdir("./11" [pid 445] <... socket resumed>) = 4 [pid 445] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 445] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 445] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 448 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] mkdir("./12", 0777 [pid 445] ioctl(3, PPPIOCSMRU, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 445] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 445] exit_group(0) = ? [pid 445] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 449 attached [pid 310] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 449] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 449 [pid 449] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 449] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 449] chdir("./12" [pid 310] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... restart_syscall resumed>) = 0 [pid 449] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(3 [pid 449] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 449] setpgid(0, 0 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 449] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 449] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 449] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./14/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 449] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 450 [pid 449] close(3 [pid 310] unlink("./14/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 449] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 449] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 449] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./16/binderfs" [pid 449] write(1, "executing program\n", 18 [pid 310] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 449] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 executing program [pid 308] unlink("./16/binderfs" [pid 449] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rmdir("./14" [pid 308] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 449] <... socket resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 449] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] mkdir("./15", 0777 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 450 attached [pid 449] <... socket resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 449] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 449] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./16" [pid 449] sendfile(-1, -1, [3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 451 attached [pid 450] set_robust_list(0x555593f8a6a0, 24 [pid 449] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] mkdir("./17", 0777 [pid 307] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 451] set_robust_list(0x555593f8a6a0, 24 [pid 450] <... set_robust_list resumed>) = 0 [pid 449] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 451 [pid 308] <... mkdir resumed>) = 0 [pid 451] <... set_robust_list resumed>) = 0 [pid 450] rt_sigprocmask(SIG_SETMASK, [] [pid 449] <... clone3 resumed>) = 452 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 451] rt_sigprocmask(SIG_SETMASK, [] [pid 449] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 449] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 453 attached [pid 451] chdir("./15" [pid 450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 449] exit_group(0 [pid 451] <... chdir resumed>) = 0 [pid 449] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 453 [pid 307] <... openat resumed>) = 3 [pid 453] set_robust_list(0x555593f8a6a0, 24 [pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 450] chdir("./13" [pid 449] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 451] <... prctl resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 451] setpgid(0, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 451] <... setpgid resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3 [pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 451] write(3, "1000", 4 [pid 309] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 451] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 451] close(3 [pid 309] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 451] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 451] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./11/binderfs" [pid 451] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 451] write(1, "executing program\n", 18 executing program [pid 309] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 451] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] unlink("./11/binderfs" [pid 451] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 451] <... socket resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 451] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] newfstatat(AT_FDCWD, "./12/binderfs" [pid 451] <... socket resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 451] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] unlink("./12/binderfs" [pid 307] getdents64(3 [pid 451] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 453] <... set_robust_list resumed>) = 0 [pid 451] sendfile(-1, -1, [3 [pid 450] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 451] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 453] rt_sigprocmask(SIG_SETMASK, [] [pid 451] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 453] chdir("./17" [pid 451] <... clone3 resumed>) = 454 [pid 450] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./11" [pid 453] <... chdir resumed>) = 0 [pid 451] ioctl(3, PPPIOCSMRU, 0 [pid 309] rmdir("./12" [pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 451] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 450] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 451] exit_group(0 [pid 309] mkdir("./13", 0777 [pid 307] mkdir("./12", 0777 [pid 453] <... prctl resumed>) = 0 [pid 451] <... exit_group resumed>) = ? [pid 450] <... setpgid resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 453] setpgid(0, 0 [pid 451] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 453] <... setpgid resumed>) = 0 [pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 450] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 455 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 450] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 450] <... write resumed>) = 4 [pid 450] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 456 [pid 450] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 453] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 456 attached [pid 453] write(3, "1000", 4 [pid 450] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 456] set_robust_list(0x555593f8a6a0, 24 [pid 455] rt_sigprocmask(SIG_SETMASK, [] [pid 453] <... write resumed>) = 4 [pid 310] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 453] close(3 [pid 450] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 453] <... close resumed>) = 0 [pid 450] write(1, "executing program\n", 18 [pid 310] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 453] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./15/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 executing program [pid 310] rmdir("./15" [pid 453] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 450] <... write resumed>) = 18 [pid 310] mkdir("./16", 0777 [pid 456] <... set_robust_list resumed>) = 0 [pid 455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 453] write(1, "executing program\n", 18 [pid 450] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... mkdir resumed>) = 0 [pid 453] <... write resumed>) = 18 [pid 450] <... socket resumed>) = 3 executing program [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 453] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 450] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 453] <... socket resumed>) = 3 [pid 450] <... socket resumed>) = 4 [pid 453] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 450] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 453] <... socket resumed>) = 4 [pid 450] <... connect resumed>) = -1 EEXIST (File exists) [pid 453] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 450] sendfile(-1, -1, [3 [pid 453] <... connect resumed>) = -1 EEXIST (File exists) [pid 450] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 453] sendfile(-1, -1, [3 [pid 450] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 457 attached [pid 456] rt_sigprocmask(SIG_SETMASK, [] [pid 455] chdir("./13" [pid 453] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 457 [pid 457] set_robust_list(0x555593f8a6a0, 24 [pid 456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 455] <... chdir resumed>) = 0 [pid 453] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 450] <... clone3 resumed>) = 458 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 457] <... set_robust_list resumed>) = 0 [pid 453] <... clone3 resumed>) = 459 [pid 450] ioctl(3, PPPIOCSMRU, 0 [pid 453] ioctl(3, PPPIOCSMRU, 0 [pid 456] chdir("./12" [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 450] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 457] rt_sigprocmask(SIG_SETMASK, [] [pid 453] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 456] <... chdir resumed>) = 0 [pid 455] <... prctl resumed>) = 0 [pid 450] exit_group(0 [pid 457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 455] setpgid(0, 0 [pid 453] exit_group(0 [pid 450] <... exit_group resumed>) = ? [pid 457] chdir("./16" [pid 456] <... prctl resumed>) = 0 [pid 455] <... setpgid resumed>) = 0 [pid 453] <... exit_group resumed>) = ? [pid 450] +++ exited with 0 +++ [pid 457] <... chdir resumed>) = 0 [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 457] setpgid(0, 0 [pid 453] +++ exited with 0 +++ [pid 456] setpgid(0, 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 457] <... setpgid resumed>) = 0 [pid 456] <... setpgid resumed>) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 455] <... openat resumed>) = 3 [pid 457] <... openat resumed>) = 3 [pid 457] write(3, "1000", 4 [pid 456] <... openat resumed>) = 3 [pid 455] write(3, "1000", 4 [pid 306] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 457] <... write resumed>) = 4 [pid 456] write(3, "1000", 4 [pid 455] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 457] close(3 [pid 456] <... write resumed>) = 4 [pid 455] close(3 [pid 306] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 457] <... close resumed>) = 0 [pid 456] close(3 [pid 455] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 457] symlink("/dev/binderfs", "./binderfs" [pid 456] <... close resumed>) = 0 [pid 455] symlink("/dev/binderfs", "./binderfs" [pid 306] fstat(3 [pid 456] symlink("/dev/binderfs", "./binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 457] <... symlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 executing program [pid 457] write(1, "executing program\n", 18) = 18 [pid 455] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 457] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 456] <... symlink resumed>) = 0 [pid 455] write(1, "executing program\n", 18 [pid 308] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 457] <... socket resumed>) = 3 executing program [pid 456] write(1, "executing program\n", 18 [pid 455] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 457] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 456] <... write resumed>) = 18 [pid 455] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./13/binderfs" [pid 457] <... socket resumed>) = 4 [pid 456] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 455] <... socket resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 457] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 456] <... socket resumed>) = 3 [pid 455] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] fstat(3 [pid 306] unlink("./13/binderfs" [pid 457] <... connect resumed>) = -1 EEXIST (File exists) [pid 456] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 457] sendfile(-1, -1, [3 [pid 308] getdents64(3 [pid 457] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 456] <... socket resumed>) = 4 [pid 455] <... socket resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... unlink resumed>) = 0 [pid 457] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 456] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 455] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 456] <... connect resumed>) = -1 EEXIST (File exists) [pid 455] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 457] <... clone3 resumed>) = 460 [pid 456] sendfile(-1, -1, [3 [pid 455] sendfile(-1, -1, [3 [pid 308] newfstatat(AT_FDCWD, "./17/binderfs" [pid 306] close(3 [pid 457] ioctl(3, PPPIOCSMRU, 0 [pid 456] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 455] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 457] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 456] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 455] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] unlink("./17/binderfs" [pid 306] rmdir("./13" [pid 457] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 457] <... exit_group resumed>) = ? [pid 308] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 457] +++ exited with 0 +++ [pid 456] <... clone3 resumed>) = 461 [pid 455] <... clone3 resumed>) = 462 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./14", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(3 [pid 456] ioctl(3, PPPIOCSMRU, 0 [pid 455] ioctl(3, PPPIOCSMRU, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./17") = 0 [pid 455] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] mkdir("./18", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 456] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 455] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 456] exit_group(0 [pid 455] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 456] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 455] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 463 [pid 456] +++ exited with 0 +++ [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 463 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 464 [pid 463] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 463] chdir("./18") = 0 [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 463] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 464 attached ) = 0 [pid 307] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 464] set_robust_list(0x555593f8a6a0, 24 [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 464] <... set_robust_list resumed>) = 0 [pid 307] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3 [pid 464] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 464] chdir("./14" [pid 307] getdents64(3 [pid 464] <... chdir resumed>) = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 464] <... prctl resumed>) = 0 [pid 307] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 464] setpgid(0, 0) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] unlink("./12/binderfs" [pid 464] <... openat resumed>) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 307] <... unlink resumed>) = 0 [pid 464] close(3 [pid 307] getdents64(3 [pid 464] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 464] symlink("/dev/binderfs", "./binderfs" [pid 307] close(3 [pid 464] <... symlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 464] write(1, "executing program\n", 18 [pid 307] rmdir("./12" [pid 464] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 executing program [pid 310] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./13", 0777 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] unlink("./16/binderfs") = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(3) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./16") = 0 [pid 310] mkdir("./17", 0777) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 466 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 465 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 463] <... openat resumed>) = 3 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 464] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 464] <... socket resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 464] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] newfstatat(AT_FDCWD, "./13/binderfs" [pid 464] <... socket resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 464] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] unlink("./13/binderfs" [pid 464] <... connect resumed>) = -1 EEXIST (File exists) [pid 463] write(3, "1000", 4 [pid 309] <... unlink resumed>) = 0 [pid 464] sendfile(-1, -1, [3 [pid 309] getdents64(3 [pid 464] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 463] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 464] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] close(3ci2-android-6-1/strace-static-x86_64: Process 466 attached ci2-android-6-1/strace-static-x86_64: Process 465 attached [pid 463] close(3 [pid 309] <... close resumed>) = 0 [pid 466] set_robust_list(0x555593f8a6a0, 24 [pid 465] set_robust_list(0x555593f8a6a0, 24 [pid 464] <... clone3 resumed>) = 467 [pid 309] rmdir("./13" [pid 464] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rmdir resumed>) = 0 [pid 464] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] mkdir("./14", 0777 [pid 466] <... set_robust_list resumed>) = 0 [pid 465] <... set_robust_list resumed>) = 0 [pid 464] exit_group(0 [pid 463] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 464] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 466] rt_sigprocmask(SIG_SETMASK, [] [pid 465] rt_sigprocmask(SIG_SETMASK, [] [pid 463] symlink("/dev/binderfs", "./binderfs" [pid 466] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 465] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 464] +++ exited with 0 +++ [pid 463] <... symlink resumed>) = 0 [pid 466] chdir("./17" [pid 465] chdir("./13" executing program [pid 463] write(1, "executing program\n", 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 466] <... chdir resumed>) = 0 [pid 465] <... chdir resumed>) = 0 [pid 463] <... write resumed>) = 18 [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 463] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 466] <... prctl resumed>) = 0 [pid 465] <... prctl resumed>) = 0 [pid 463] <... socket resumed>) = 3 [pid 306] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 466] setpgid(0, 0 [pid 465] setpgid(0, 0 [pid 463] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 465] <... setpgid resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 463] <... socket resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 468 attached [pid 466] <... setpgid resumed>) = 0 [pid 465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 463] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... openat resumed>) = 3 [pid 468] set_robust_list(0x555593f8a6a0, 24 [pid 463] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 468 [pid 468] <... set_robust_list resumed>) = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 465] <... openat resumed>) = 3 [pid 463] sendfile(-1, -1, [3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 468] rt_sigprocmask(SIG_SETMASK, [] [pid 466] <... openat resumed>) = 3 [pid 465] write(3, "1000", 4 [pid 463] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 466] write(3, "1000", 4 [pid 465] <... write resumed>) = 4 [pid 463] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 468] chdir("./14") = 0 [pid 306] getdents64(3 [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 468] setpgid(0, 0) = 0 [pid 463] <... clone3 resumed>) = 469 [pid 306] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 466] <... write resumed>) = 4 [pid 465] close(3 [pid 463] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 463] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 466] close(3 [pid 465] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./14/binderfs" [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 466] <... close resumed>) = 0 [pid 465] symlink("/dev/binderfs", "./binderfs" [pid 463] exit_group(0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 27.658939][ T415] ------------[ cut here ]------------ [ 27.664499][ T415] WARNING: CPU: 1 PID: 415 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 27.674585][ T415] Modules linked in: [ 27.678530][ T415] CPU: 1 PID: 415 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 27.687823][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 27.698231][ T415] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 466] symlink("/dev/binderfs", "./binderfs" [pid 463] <... exit_group resumed>) = ? [pid 468] <... openat resumed>) = 3 [pid 465] <... symlink resumed>) = 0 [pid 306] unlink("./14/binderfs" [pid 463] +++ exited with 0 +++ [pid 306] <... unlink resumed>) = 0 [pid 465] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 465] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 465] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] close(3 [pid 465] <... socket resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 465] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] rmdir("./14" [pid 465] <... socket resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 466] <... symlink resumed>) = 0 [pid 465] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] mkdir("./15", 0777) = 0 [pid 466] write(1, "executing program\n", 18) = 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 466] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 466] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 466] <... socket resumed>) = 4 [pid 466] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 470 [pid 466] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 466] sendfile(-1, -1, [3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program executing program [ 27.704642][ T415] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 27.724442][ T415] RSP: 0018:ffffc90001007b90 EFLAGS: 00010293 [ 27.730662][ T415] RAX: ffffffff849ca097 RBX: ffff888109856000 RCX: ffff8881105be540 [ 27.738736][ T415] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000c04eb7d [ 27.746874][ T415] RBP: ffffc90001007bb0 R08: ffff888109856083 R09: 1ffff1102130ac10 ci2-android-6-1/strace-static-x86_64: Process 470 attached [pid 468] write(3, "1000", 4 [pid 466] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [ 27.755091][ T415] R10: dffffc0000000000 R11: ffffed102130ac11 R12: dffffc0000000000 [ 27.763134][ T415] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88811028d000 [ 27.771159][ T415] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.780163][ T415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.786815][ T415] CR2: 00007f1cc083d270 CR3: 000000000700f000 CR4: 00000000003506a0 [ 27.794876][ T415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 465] <... connect resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 470] set_robust_list(0x555593f8a6a0, 24 [pid 468] <... write resumed>) = 4 [pid 466] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 465] sendfile(-1, -1, [3 [pid 470] <... set_robust_list resumed>) = 0 [pid 468] close(3 [pid 466] <... clone3 resumed>) = 471 [pid 465] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 470] rt_sigprocmask(SIG_SETMASK, [] [pid 468] <... close resumed>) = 0 [pid 466] ioctl(3, PPPIOCSMRU, 0 [pid 465] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 468] symlink("/dev/binderfs", "./binderfs" [pid 466] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 465] <... clone3 resumed>) = 472 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 470] chdir("./15" [pid 468] <... symlink resumed>) = 0 [pid 466] exit_group(0 [pid 465] ioctl(3, PPPIOCSMRU, 0 [pid 308] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 470] <... chdir resumed>) = 0 executing program [pid 468] write(1, "executing program\n", 18 [pid 466] <... exit_group resumed>) = ? [pid 465] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 308] <... openat resumed>) = 3 [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 468] <... write resumed>) = 18 [pid 466] +++ exited with 0 +++ [pid 465] exit_group(0 [pid 308] fstat(3 [pid 470] <... prctl resumed>) = 0 [pid 468] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 465] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 470] setpgid(0, 0 [pid 468] <... socket resumed>) = 3 [pid 465] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 470] <... setpgid resumed>) = 0 [pid 468] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 468] <... socket resumed>) = 4 [pid 310] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 470] <... openat resumed>) = 3 [pid 468] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 470] write(3, "1000", 4 [pid 468] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./18/binderfs" [pid 470] <... write resumed>) = 4 [pid 468] sendfile(-1, -1, [3 [pid 310] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 470] close(3 [pid 468] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 308] unlink("./18/binderfs" [pid 470] <... close resumed>) = 0 [ 27.802919][ T415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.810938][ T415] Call Trace: [ 27.814308][ T415] [ 27.817272][ T415] pppol2tp_release+0x150/0x2b0 [ 27.822174][ T415] sock_close+0xc9/0x220 [ 27.826502][ T415] ? __cfi_sock_close+0x10/0x10 [ 27.831390][ T415] __fput+0x1fd/0x8f0 [ 27.835470][ T415] ____fput+0x15/0x20 [ 27.839504][ T415] task_work_run+0x1e1/0x250 [ 27.844230][ T415] ? __cfi_task_work_run+0x10/0x10 [ 27.849389][ T415] ? free_nsproxy+0x21f/0x270 [ 27.854206][ T415] do_exit+0xb0d/0x29f0 [pid 468] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 470] symlink("/dev/binderfs", "./binderfs" [pid 468] <... clone3 resumed>) = 473 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 470] <... symlink resumed>) = 0 [pid 468] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 470] write(1, "executing program\n", 18 [pid 468] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 470] <... write resumed>) = 18 [pid 468] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 470] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 468] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./17/binderfs" [pid 308] rmdir("./18" [pid 307] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 470] <... socket resumed>) = 3 [pid 468] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 470] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] unlink("./17/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./19", 0777 [pid 307] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 470] <... socket resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 470] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(3 [pid 470] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 470] sendfile(-1, -1, [3 [pid 310] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 470] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 470] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rmdir("./17" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 474 [pid 307] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 470] <... clone3 resumed>) = 475 [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 470] ioctl(3, PPPIOCSMRU, 0 [pid 310] mkdir("./18", 0777 [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./13/binderfs" [pid 470] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 470] exit_group(0 [ 27.858434][ T415] ? __cfi_do_exit+0x10/0x10 [ 27.863119][ T415] ? xfd_validate_state+0x70/0x150 [ 27.868315][ T415] ? __kasan_check_write+0x14/0x20 [ 27.873544][ T415] __x64_sys_exit+0x40/0x40 [ 27.878090][ T415] x64_sys_call+0x67/0x9a0 [ 27.882569][ T415] do_syscall_64+0x4c/0xa0 [ 27.887216][ T415] ? clear_bhb_loop+0x30/0x80 [ 27.891982][ T415] ? clear_bhb_loop+0x30/0x80 [ 27.896757][ T415] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 27.902748][ T415] RIP: 0033:0x7f1cc07fe169 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] unlink("./13/binderfs" [pid 470] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 470] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 309] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 476 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./14/binderfs" [pid 307] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./13" [pid 309] unlink("./14/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] mkdir("./14", 0777 [pid 309] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 476 attached [pid 309] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 476] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 476] <... set_robust_list resumed>) = 0 [pid 309] rmdir("./14" [pid 306] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 476] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 477 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./15", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 476] chdir("./18" [pid 309] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 476] <... chdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(3 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 476] <... prctl resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 476] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 476] <... setpgid resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 478 [pid 306] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 476] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./15/binderfs" [pid 476] write(3, "1000", 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 476] <... write resumed>) = 4 [pid 306] unlink("./15/binderfs" [pid 476] close(3 [pid 306] <... unlink resumed>) = 0 [pid 476] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 476] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 476] <... symlink resumed>) = 0 [pid 306] close(3 [pid 476] write(1, "executing program\n", 18 [pid 306] <... close resumed>) = 0 executing program ci2-android-6-1/strace-static-x86_64: Process 478 attached [pid 476] <... write resumed>) = 18 [pid 306] rmdir("./15" [pid 478] set_robust_list(0x555593f8a6a0, 24 [pid 476] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... rmdir resumed>) = 0 [pid 478] <... set_robust_list resumed>) = 0 [pid 476] <... socket resumed>) = 3 [pid 306] mkdir("./16", 0777 [pid 478] rt_sigprocmask(SIG_SETMASK, [] [ 27.907204][ T415] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 27.914330][ T415] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 27.922812][ T415] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 27.930857][ T415] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.938923][ T415] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 27.946964][ T415] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 476] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... mkdir resumed>) = 0 [pid 478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 476] <... socket resumed>) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 478] chdir("./15" [pid 476] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 478] <... chdir resumed>) = 0 [pid 476] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 476] sendfile(-1, -1, [3 [pid 478] <... prctl resumed>) = 0 [pid 476] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 479 [pid 478] setpgid(0, 0 [pid 476] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 479 attached ci2-android-6-1/strace-static-x86_64: Process 477 attached ci2-android-6-1/strace-static-x86_64: Process 474 attached [pid 478] <... setpgid resumed>) = 0 [pid 476] <... clone3 resumed>) = 480 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 479] set_robust_list(0x555593f8a6a0, 24 [pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 477] set_robust_list(0x555593f8a6a0, 24 [pid 476] ioctl(3, PPPIOCSMRU, 0 [pid 474] set_robust_list(0x555593f8a6a0, 24 [pid 479] <... set_robust_list resumed>) = 0 [pid 478] <... openat resumed>) = 3 [pid 477] <... set_robust_list resumed>) = 0 [pid 474] <... set_robust_list resumed>) = 0 [pid 479] rt_sigprocmask(SIG_SETMASK, [] [pid 478] write(3, "1000", 4 [pid 477] rt_sigprocmask(SIG_SETMASK, [] [pid 476] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 474] rt_sigprocmask(SIG_SETMASK, [] [pid 479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 478] <... write resumed>) = 4 [pid 477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 479] chdir("./16" [pid 478] close(3 [pid 477] chdir("./14" [pid 476] exit_group(0 [pid 474] chdir("./19" [pid 479] <... chdir resumed>) = 0 [pid 478] <... close resumed>) = 0 [pid 477] <... chdir resumed>) = 0 [pid 476] <... exit_group resumed>) = ? [pid 474] <... chdir resumed>) = 0 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 478] symlink("/dev/binderfs", "./binderfs" [pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 479] <... prctl resumed>) = 0 [pid 477] <... prctl resumed>) = 0 [pid 474] <... prctl resumed>) = 0 [pid 479] setpgid(0, 0 [pid 477] setpgid(0, 0 [pid 474] setpgid(0, 0 [pid 479] <... setpgid resumed>) = 0 [pid 477] <... setpgid resumed>) = 0 [pid 474] <... setpgid resumed>) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 476] +++ exited with 0 +++ [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 479] <... openat resumed>) = 3 [pid 478] <... symlink resumed>) = 0 [pid 477] <... openat resumed>) = 3 [pid 474] <... openat resumed>) = 3 [pid 479] write(3, "1000", 4 [pid 477] write(3, "1000", 4 [pid 474] write(3, "1000", 4 [pid 479] <... write resumed>) = 4 [pid 478] write(1, "executing program\n", 18 [pid 477] <... write resumed>) = 4 [pid 474] <... write resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 479] close(3 [pid 478] <... write resumed>) = 18 executing program [pid 477] close(3 [pid 474] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 479] <... close resumed>) = 0 [pid 478] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 477] <... close resumed>) = 0 [pid 474] <... close resumed>) = 0 [pid 479] symlink("/dev/binderfs", "./binderfs" [pid 478] <... socket resumed>) = 3 [pid 477] symlink("/dev/binderfs", "./binderfs" [pid 474] symlink("/dev/binderfs", "./binderfs" [pid 478] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 477] <... symlink resumed>) = 0 [pid 474] <... symlink resumed>) = 0 [pid 479] <... symlink resumed>) = 0 [pid 478] <... socket resumed>) = 4 [pid 477] write(1, "executing program\n", 18 [pid 474] write(1, "executing program\n", 18 [pid 479] write(1, "executing program\n", 18 [pid 478] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 477] <... write resumed>) = 18 executing program executing program [pid 474] <... write resumed>) = 18 [pid 479] <... write resumed>) = 18 [pid 478] <... connect resumed>) = -1 EEXIST (File exists) [pid 477] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 474] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 479] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 478] sendfile(-1, -1, [3 [pid 477] <... socket resumed>) = 3 [pid 474] <... socket resumed>) = 3 [pid 479] <... socket resumed>) = 3 [pid 478] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 477] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 474] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 479] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 478] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 477] <... socket resumed>) = 4 [pid 474] <... socket resumed>) = 4 [pid 479] <... socket resumed>) = 4 [pid 477] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 474] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 479] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 477] <... connect resumed>) = -1 EEXIST (File exists) [pid 474] <... connect resumed>) = -1 EEXIST (File exists) [pid 479] <... connect resumed>) = -1 EEXIST (File exists) [pid 477] sendfile(-1, -1, [3 [pid 474] sendfile(-1, -1, [3 [pid 479] sendfile(-1, -1, [3 [pid 477] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 474] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 479] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 478] <... clone3 resumed>) = 481 [pid 477] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 474] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 479] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 478] ioctl(3, PPPIOCSMRU, 0 [pid 477] <... clone3 resumed>) = 482 [pid 479] <... clone3 resumed>) = 484 [pid 478] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 477] ioctl(3, PPPIOCSMRU, 0 [pid 474] <... clone3 resumed>) = 483 [pid 479] ioctl(3, PPPIOCSMRU, 0 [pid 477] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 474] ioctl(3, PPPIOCSMRU, 0 [pid 479] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 478] exit_group(0 [pid 477] exit_group(0 [pid 474] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 479] exit_group(0 [pid 478] <... exit_group resumed>) = ? [pid 477] <... exit_group resumed>) = ? [pid 474] exit_group(0 [pid 479] <... exit_group resumed>) = ? [pid 478] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 479] +++ exited with 0 +++ [pid 477] +++ exited with 0 +++ [pid 474] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 474] +++ exited with 0 +++ [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 307] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] newfstatat(AT_FDCWD, "./18/binderfs" [pid 309] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./14/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./18/binderfs" [pid 309] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./16/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] unlink("./14/binderfs" [pid 310] getdents64(3 [pid 309] fstat(3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] unlink("./16/binderfs" [pid 310] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 307] close(3) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] rmdir("./14" [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] rmdir("./18" [pid 307] mkdir("./15", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] mkdir("./19", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./15/binderfs" [pid 306] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 485 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 485 attached [pid 485] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] chdir("./15") = 0 [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 [pid 485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 485] write(1, "executing program\n", 18) = 18 [pid 485] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./16" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./15/binderfs" [pid 485] <... socket resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 485] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... unlink resumed>) = 0 [pid 485] <... socket resumed>) = 4 [pid 485] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 485] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 485] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 487 [pid 309] getdents64(3 [pid 306] mkdir("./17", 0777 [pid 485] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 485] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 486 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 485] <... exit_group resumed>) = ? [pid 485] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 486 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./15") = 0 [pid 309] mkdir("./16", 0777 [pid 486] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 486] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 488 attached [pid 308] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 488 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] chdir("./16") = 0 executing program [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 488] setpgid(0, 0) = 0 [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 488] write(3, "1000", 4) = 4 [pid 488] close(3) = 0 [pid 488] symlink("/dev/binderfs", "./binderfs") = 0 [pid 488] write(1, "executing program\n", 18) = 18 [pid 488] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 488] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 488] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 488] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 488] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... openat resumed>) = 3 [pid 488] <... clone3 resumed>) = 489 [pid 488] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] fstat(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 490 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 488] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 488] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./19/binderfs") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./19" [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 308] mkdir("./20", 0777 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./15/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./15" [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./16", 0777 [pid 486] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 492 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 490 attached [pid 488] +++ exited with 0 +++ [pid 486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 491 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 492 attached [pid 492] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] chdir("./16") = 0 [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 492] setpgid(0, 0) = 0 [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 492] write(3, "1000", 4) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 492] close(3 [pid 486] chdir("./19" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 492] <... close resumed>) = 0 [pid 492] symlink("/dev/binderfs", "./binderfs") = 0 [pid 492] write(1, "executing program\n", 18) = 18 executing program [pid 492] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 492] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 492] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 492] sendfile(-1, -1, [3 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./16/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./16") = 0 [pid 309] mkdir("./17", 0777) = 0 [pid 486] <... chdir resumed>) = 0 [pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 486] <... prctl resumed>) = 0 [pid 486] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 486] <... setpgid resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 491 attached ci2-android-6-1/strace-static-x86_64: Process 493 attached [pid 492] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 490] set_robust_list(0x555593f8a6a0, 24 [pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 493 [pid 493] set_robust_list(0x555593f8a6a0, 24 [pid 492] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 491] set_robust_list(0x555593f8a6a0, 24 [pid 490] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 486] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 490] rt_sigprocmask(SIG_SETMASK, [] [pid 486] <... write resumed>) = 4 [pid 493] <... set_robust_list resumed>) = 0 [pid 490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 486] close(3) = 0 [pid 490] chdir("./17" [pid 486] symlink("/dev/binderfs", "./binderfs" [pid 490] <... chdir resumed>) = 0 [pid 493] rt_sigprocmask(SIG_SETMASK, [] [pid 491] <... set_robust_list resumed>) = 0 [pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 486] <... symlink resumed>) = 0 [pid 490] <... prctl resumed>) = 0 executing program [pid 486] write(1, "executing program\n", 18) = 18 [pid 486] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 491] rt_sigprocmask(SIG_SETMASK, [] [pid 490] setpgid(0, 0) = 0 [pid 486] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 486] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 486] <... connect resumed>) = -1 EEXIST (File exists) [pid 486] sendfile(-1, -1, [3 [pid 490] <... openat resumed>) = 3 [pid 490] write(3, "1000", 4 [pid 486] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 493] chdir("./17" [pid 491] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 490] <... write resumed>) = 4 [pid 490] close(3 [pid 486] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 493] <... chdir resumed>) = 0 [pid 492] <... clone3 resumed>) = 494 [pid 491] chdir("./20" [pid 490] <... close resumed>) = 0 [pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 492] ioctl(3, PPPIOCSMRU, 0 [pid 491] <... chdir resumed>) = 0 [pid 490] symlink("/dev/binderfs", "./binderfs" [pid 486] <... clone3 resumed>) = 495 [pid 493] <... prctl resumed>) = 0 [pid 492] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 490] <... symlink resumed>) = 0 [pid 493] setpgid(0, 0 [pid 492] exit_group(0 [pid 491] <... prctl resumed>) = 0 [pid 490] write(1, "executing program\n", 18 [pid 486] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 493] <... setpgid resumed>) = 0 [pid 486] exit_group(0 [pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 492] <... exit_group resumed>) = ? [pid 491] setpgid(0, 0 [pid 490] <... write resumed>) = 18 [pid 486] <... exit_group resumed>) = ? [pid 493] <... openat resumed>) = 3 [pid 492] +++ exited with 0 +++ [pid 491] <... setpgid resumed>) = 0 [pid 490] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 493] write(3, "1000", 4 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 490] <... socket resumed>) = 3 [ 27.955020][ T415] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 000000000000000b [ 27.963255][ T415] [ 27.966314][ T415] ---[ end trace 0000000000000000 ]--- [pid 486] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 493] <... write resumed>) = 4 [pid 491] <... openat resumed>) = 3 [pid 490] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 493] close(3 [pid 491] write(3, "1000", 4 [pid 490] <... socket resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 493] <... close resumed>) = 0 [pid 491] <... write resumed>) = 4 [pid 490] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 493] symlink("/dev/binderfs", "./binderfs" [pid 491] close(3 [pid 490] <... connect resumed>) = -1 EEXIST (File exists) [pid 493] <... symlink resumed>) = 0 [pid 491] <... close resumed>) = 0 [pid 490] sendfile(-1, -1, [3 executing program [pid 493] write(1, "executing program\n", 18 [pid 491] symlink("/dev/binderfs", "./binderfs" [pid 490] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 493] <... write resumed>) = 18 [pid 491] <... symlink resumed>) = 0 [pid 490] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 493] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 491] write(1, "executing program\n", 18 [pid 490] <... clone3 resumed>) = 496 executing program [pid 493] <... socket resumed>) = 3 [pid 491] <... write resumed>) = 18 [pid 490] ioctl(3, PPPIOCSMRU, 0 [pid 493] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 491] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 490] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 493] <... socket resumed>) = 4 [pid 491] <... socket resumed>) = 3 [pid 490] exit_group(0 [pid 493] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 491] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 490] <... exit_group resumed>) = ? [pid 493] <... connect resumed>) = -1 EEXIST (File exists) [pid 491] <... socket resumed>) = 4 [pid 490] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 493] sendfile(-1, -1, [3 [pid 491] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 493] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 491] <... connect resumed>) = -1 EEXIST (File exists) [pid 493] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 491] sendfile(-1, -1, [3 [pid 307] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 493] <... clone3 resumed>) = 497 [pid 491] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 493] ioctl(3, PPPIOCSMRU, 0 [pid 491] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 493] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 491] <... clone3 resumed>) = 498 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 493] exit_group(0 [pid 491] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... openat resumed>) = 3 [pid 493] <... exit_group resumed>) = ? [pid 491] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] fstat(3 [pid 493] +++ exited with 0 +++ [pid 310] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 491] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 310] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... openat resumed>) = 3 [pid 307] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./16/binderfs" [pid 310] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] unlink("./16/binderfs" [pid 491] <... exit_group resumed>) = ? [pid 310] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./19/binderfs" [pid 307] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] unlink("./19/binderfs" [pid 307] close(3 [pid 310] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 307] rmdir("./16" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 307] mkdir("./17", 0777 [pid 310] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 491] +++ exited with 0 +++ [pid 310] rmdir("./19" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] mkdir("./20", 0777 [pid 309] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 499 attached [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 499] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 499 [pid 499] <... set_robust_list resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 499] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 500 [pid 309] getdents64(3 [pid 499] chdir("./17" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 499] <... chdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 499] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./17/binderfs" [pid 499] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 499] <... setpgid resumed>) = 0 [pid 309] unlink("./17/binderfs" [pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 499] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 306] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 499] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 499] <... write resumed>) = 4 [pid 309] close(3 [pid 308] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 499] close(3 [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 499] <... close resumed>) = 0 [pid 309] rmdir("./17" [pid 308] getdents64(3 [pid 306] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 499] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 499] <... symlink resumed>) = 0 [pid 309] mkdir("./18", 0777 [pid 308] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 500 attached [pid 499] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 499] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./20/binderfs" [pid 499] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 499] <... socket resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] unlink("./20/binderfs"ci2-android-6-1/strace-static-x86_64: Process 501 attached [pid 500] set_robust_list(0x555593f8a6a0, 24 [pid 499] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 501] set_robust_list(0x555593f8a6a0, 24 [pid 499] <... socket resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 501 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 501] <... set_robust_list resumed>) = 0 [pid 499] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 501] rt_sigprocmask(SIG_SETMASK, [] [pid 499] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] close(3 [pid 306] getdents64(3 [pid 501] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 499] sendfile(-1, -1, [3 [pid 308] <... close resumed>) = 0 [pid 501] chdir("./18" [pid 499] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rmdir("./20" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 501] <... chdir resumed>) = 0 [pid 499] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rmdir resumed>) = 0 [pid 500] <... set_robust_list resumed>) = 0 [pid 306] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 499] <... clone3 resumed>) = 502 [pid 308] mkdir("./21", 0777 [pid 501] <... prctl resumed>) = 0 [pid 500] rt_sigprocmask(SIG_SETMASK, [] [pid 499] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 501] setpgid(0, 0 [pid 499] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 501] <... setpgid resumed>) = 0 [pid 499] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 499] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./17/binderfs"ci2-android-6-1/strace-static-x86_64: Process 503 attached [pid 501] <... openat resumed>) = 3 [pid 500] chdir("./20" [pid 499] +++ exited with 0 +++ [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 503] set_robust_list(0x555593f8a6a0, 24 [pid 501] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 503 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 503] <... set_robust_list resumed>) = 0 [pid 501] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 503] rt_sigprocmask(SIG_SETMASK, [] [pid 501] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 501] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 503] chdir("./21" [pid 501] symlink("/dev/binderfs", "./binderfs" [pid 306] unlink("./17/binderfs" [pid 503] <... chdir resumed>) = 0 [pid 501] <... symlink resumed>) = 0 [pid 500] <... chdir resumed>) = 0 [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 501] write(1, "executing program\n", 18 executing program [pid 307] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 503] <... prctl resumed>) = 0 [pid 501] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 503] setpgid(0, 0 [pid 501] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 503] <... setpgid resumed>) = 0 [pid 501] <... socket resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 501] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] fstat(3 [pid 306] close(3 [pid 503] <... openat resumed>) = 3 [pid 501] <... socket resumed>) = 4 [pid 500] <... prctl resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 503] write(3, "1000", 4 [pid 501] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 503] <... write resumed>) = 4 [pid 501] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rmdir("./17" [pid 503] close(3 [pid 501] sendfile(-1, -1, [3 [pid 500] setpgid(0, 0 [pid 307] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 503] <... close resumed>) = 0 [pid 501] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 500] <... setpgid resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 503] symlink("/dev/binderfs", "./binderfs" [pid 501] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] newfstatat(AT_FDCWD, "./17/binderfs" [pid 306] mkdir("./18", 0777 [pid 503] <... symlink resumed>) = 0 [pid 501] <... clone3 resumed>) = 504 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 503] write(1, "executing program\n", 18 [pid 501] ioctl(3, PPPIOCSMRU, 0 executing program [pid 307] unlink("./17/binderfs" [pid 503] <... write resumed>) = 18 [pid 501] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 500] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 503] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 501] exit_group(0 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 503] <... socket resumed>) = 3 [pid 501] <... exit_group resumed>) = ? [pid 500] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 503] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 501] +++ exited with 0 +++ [pid 500] <... write resumed>) = 4 [pid 307] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 503] <... socket resumed>) = 4 [pid 500] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 503] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] rmdir("./17" [pid 503] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 503] sendfile(-1, -1, [3 [pid 500] <... close resumed>) = 0 [pid 309] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./18", 0777 [pid 503] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 500] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 505 ci2-android-6-1/strace-static-x86_64: Process 505 attached [pid 503] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 505] set_robust_list(0x555593f8a6a0, 24 [pid 503] <... clone3 resumed>) = 506 [pid 500] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 503] ioctl(3, PPPIOCSMRU, 0 [pid 500] write(1, "executing program\n", 18 [pid 309] fstat(3 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 505] <... set_robust_list resumed>) = 0 [pid 503] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 500] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 507 attached [pid 505] rt_sigprocmask(SIG_SETMASK, [] [pid 503] exit_group(0 [pid 500] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] getdents64(3 [pid 507] set_robust_list(0x555593f8a6a0, 24 [pid 505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 503] <... exit_group resumed>) = ? [pid 500] <... socket resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 507 [pid 507] <... set_robust_list resumed>) = 0 [pid 505] chdir("./18" [pid 503] +++ exited with 0 +++ [pid 500] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 507] rt_sigprocmask(SIG_SETMASK, [] [pid 505] <... chdir resumed>) = 0 [pid 500] <... socket resumed>) = 4 [pid 309] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 500] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 505] <... prctl resumed>) = 0 [pid 500] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./18/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 505] setpgid(0, 0 [pid 500] sendfile(-1, -1, [3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 505] <... setpgid resumed>) = 0 [pid 500] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./18/binderfs" [pid 500] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 505] <... openat resumed>) = 3 [pid 500] <... clone3 resumed>) = 508 [pid 309] getdents64(3 [pid 507] chdir("./18" [pid 505] write(3, "1000", 4 [pid 500] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 507] <... chdir resumed>) = 0 [pid 505] <... write resumed>) = 4 [pid 500] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] close(3 [pid 308] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 505] close(3 [pid 500] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 505] <... close resumed>) = 0 [pid 500] <... exit_group resumed>) = ? [pid 309] rmdir("./18" [pid 308] fstat(3 [pid 507] <... prctl resumed>) = 0 [pid 505] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 500] +++ exited with 0 +++ [pid 505] <... symlink resumed>) = 0 [pid 507] setpgid(0, 0 [pid 505] write(1, "executing program\n", 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 309] mkdir("./19", 0777 [pid 308] getdents64(3 [pid 507] <... setpgid resumed>) = 0 [pid 505] <... write resumed>) = 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 505] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 505] <... socket resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 505] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 507] <... openat resumed>) = 3 [pid 505] <... socket resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./21/binderfs" [pid 505] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./21/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 507] write(3, "1000", 4 [pid 505] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 505] sendfile(-1, -1, [3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 509 [pid 507] <... write resumed>) = 4 [pid 308] rmdir("./21" [pid 507] close(3 [pid 505] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 507] <... close resumed>) = 0 [pid 505] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./22", 0777) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 505] <... clone3 resumed>) = 510 ci2-android-6-1/strace-static-x86_64: Process 509 attached [pid 507] symlink("/dev/binderfs", "./binderfs" [pid 505] ioctl(3, PPPIOCSMRU, 0 [pid 509] set_robust_list(0x555593f8a6a0, 24 [pid 507] <... symlink resumed>) = 0 [pid 505] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) ci2-android-6-1/strace-static-x86_64: Process 511 attached [pid 509] <... set_robust_list resumed>) = 0 executing program [pid 507] write(1, "executing program\n", 18 [pid 505] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 511 [pid 511] set_robust_list(0x555593f8a6a0, 24 [pid 509] rt_sigprocmask(SIG_SETMASK, [] [pid 507] <... write resumed>) = 18 [pid 505] <... exit_group resumed>) = ? [pid 511] <... set_robust_list resumed>) = 0 [pid 509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 507] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 505] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 511] rt_sigprocmask(SIG_SETMASK, [] [pid 507] <... socket resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 507] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 511] chdir("./22" [pid 507] <... socket resumed>) = 4 [pid 306] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 511] <... chdir resumed>) = 0 [pid 507] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 507] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 511] <... prctl resumed>) = 0 [pid 507] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 511] setpgid(0, 0 [pid 509] chdir("./19" [pid 507] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 511] <... setpgid resumed>) = 0 [pid 509] <... chdir resumed>) = 0 [pid 507] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 507] <... clone3 resumed>) = 512 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 511] <... openat resumed>) = 3 [pid 509] <... prctl resumed>) = 0 [pid 507] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 511] write(3, "1000", 4 [pid 509] setpgid(0, 0 [pid 507] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 511] <... write resumed>) = 4 [pid 509] <... setpgid resumed>) = 0 [pid 507] exit_group(0 [pid 310] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 511] close(3 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 507] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 511] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./18/binderfs") = 0 [pid 507] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 511] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./20/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./18" [pid 511] <... symlink resumed>) = 0 [pid 509] <... openat resumed>) = 3 [pid 310] unlink("./20/binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 511] write(1, "executing program\n", 18 [pid 509] write(3, "1000", 4 executing program [pid 306] mkdir("./19", 0777 [pid 511] <... write resumed>) = 18 [pid 509] <... write resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 511] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 509] close(3 [pid 310] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 511] <... socket resumed>) = 3 [pid 509] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 511] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 509] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 511] <... socket resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 511] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 509] <... symlink resumed>) = 0 [pid 310] rmdir("./20"ci2-android-6-1/strace-static-x86_64: Process 513 attached [pid 511] <... connect resumed>) = -1 EEXIST (File exists) [pid 509] write(1, "executing program\n", 18 [pid 513] set_robust_list(0x555593f8a6a0, 24 [pid 511] sendfile(-1, -1, [3 [pid 509] <... write resumed>) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 513 executing program [pid 513] <... set_robust_list resumed>) = 0 [pid 511] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 509] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] mkdir("./21", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 513] rt_sigprocmask(SIG_SETMASK, [] [pid 511] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 509] <... socket resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 513] chdir("./19" [pid 509] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 511] <... clone3 resumed>) = 514 [pid 509] <... socket resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 511] ioctl(3, PPPIOCSMRU, 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 513] <... chdir resumed>) = 0 [pid 509] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 511] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 509] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 515 [pid 513] <... prctl resumed>) = 0 [pid 511] exit_group(0 [pid 509] sendfile(-1, -1, [3 [pid 310] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 515 attached [pid 511] <... exit_group resumed>) = ? [pid 509] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 513] setpgid(0, 0) = 0 [pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 513] write(3, "1000", 4) = 4 [pid 511] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 509] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 513] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 513] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 513] symlink("/dev/binderfs", "./binderfs") = 0 [pid 513] write(1, "executing program\n", 18 [pid 509] <... clone3 resumed>) = 516 [pid 513] <... write resumed>) = 18 [pid 513] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 509] ioctl(3, PPPIOCSMRU, 0 [pid 307] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 509] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 513] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 515] set_robust_list(0x555593f8a6a0, 24 [pid 513] <... socket resumed>) = 4 executing program [pid 509] exit_group(0 [pid 307] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 515] <... set_robust_list resumed>) = 0 [pid 509] <... exit_group resumed>) = ? [pid 307] <... openat resumed>) = 3 [pid 513] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 513] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 513] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 515] rt_sigprocmask(SIG_SETMASK, [] [pid 509] +++ exited with 0 +++ [pid 513] <... clone3 resumed>) = 517 [pid 307] fstat(3 [pid 515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 513] ioctl(3, PPPIOCSMRU, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 515] chdir("./21" [pid 513] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 515] <... chdir resumed>) = 0 [pid 513] exit_group(0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 513] <... exit_group resumed>) = ? [pid 307] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 515] <... prctl resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 515] setpgid(0, 0 [pid 307] newfstatat(AT_FDCWD, "./18/binderfs" [pid 515] <... setpgid resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] unlink("./18/binderfs" [pid 515] <... openat resumed>) = 3 [pid 513] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 515] write(3, "1000", 4 [pid 307] getdents64(3 [pid 515] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 515] close(3 [pid 307] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 515] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 515] symlink("/dev/binderfs", "./binderfs" [pid 307] rmdir("./18" [pid 515] <... symlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 515] write(1, "executing program\n", 18 [pid 307] mkdir("./19", 0777 [pid 515] <... write resumed>) = 18 executing program [pid 515] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 515] <... socket resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 515] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 ci2-android-6-1/strace-static-x86_64: Process 518 attached [pid 515] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 518] set_robust_list(0x555593f8a6a0, 24 [pid 515] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 518 [pid 518] <... set_robust_list resumed>) = 0 [pid 515] sendfile(-1, -1, [3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 518] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 515] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 518] chdir("./19" [pid 515] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 518] <... chdir resumed>) = 0 [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 518] setpgid(0, 0) = 0 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 518] write(3, "1000", 4) = 4 [pid 518] close(3) = 0 [pid 515] <... clone3 resumed>) = 519 [pid 518] symlink("/dev/binderfs", "./binderfs") = 0 [pid 515] ioctl(3, PPPIOCSMRU, 0 [pid 518] write(1, "executing program\n", 18 [pid 515] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 518] <... write resumed>) = 18 [pid 518] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... restart_syscall resumed>) = 0 [pid 518] <... socket resumed>) = 3 executing program [pid 515] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 518] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 515] <... exit_group resumed>) = ? [pid 518] <... socket resumed>) = 4 [pid 309] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 518] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 518] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 518] sendfile(-1, -1, [3 [pid 309] <... openat resumed>) = 3 [pid 306] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 518] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] fstat(3 [pid 518] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 515] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 306] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 518] <... clone3 resumed>) = 520 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... openat resumed>) = 3 [pid 518] ioctl(3, PPPIOCSMRU, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 518] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 518] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./19/binderfs" [pid 518] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 518] +++ exited with 0 +++ [pid 309] unlink("./19/binderfs" [pid 310] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... openat resumed>) = 3 [pid 309] close(3 [pid 308] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] <... close resumed>) = 0 [pid 308] fstat(3 [pid 306] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./19" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] mkdir("./20", 0777 [pid 310] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] newfstatat(AT_FDCWD, "./19/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./21/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./19/binderfs" [pid 310] unlink("./21/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./22/binderfs"ci2-android-6-1/strace-static-x86_64: Process 521 attached [pid 310] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 521] set_robust_list(0x555593f8a6a0, 24 [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 521 [pid 308] unlink("./22/binderfs" [pid 306] getdents64(3 [pid 521] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 521] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 521] chdir("./20" [pid 310] rmdir("./21" [pid 308] getdents64(3 [pid 306] close(3 [pid 521] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] mkdir("./22", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 306] rmdir("./19" [pid 521] <... prctl resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 521] setpgid(0, 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./22" [pid 306] <... rmdir resumed>) = 0 [pid 521] <... setpgid resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 306] mkdir("./20", 0777ci2-android-6-1/strace-static-x86_64: Process 522 attached [pid 521] <... openat resumed>) = 3 [pid 308] mkdir("./23", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 522] set_robust_list(0x555593f8a6a0, 24 [pid 521] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 522 [pid 307] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 522] <... set_robust_list resumed>) = 0 [pid 521] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 522] rt_sigprocmask(SIG_SETMASK, [] [pid 521] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 521] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 522] chdir("./22" [pid 521] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 522] <... chdir resumed>) = 0 [pid 521] <... symlink resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 521] write(1, "executing program\n", 18 [pid 307] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 522] <... prctl resumed>) = 0 [pid 521] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 522] setpgid(0, 0 [pid 521] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] newfstatat(AT_FDCWD, "./19/binderfs" [pid 522] <... setpgid resumed>) = 0 [pid 521] <... socket resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 521] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] unlink("./19/binderfs" [pid 522] <... openat resumed>) = 3 [pid 521] <... socket resumed>) = 4 [pid 307] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 523 ci2-android-6-1/strace-static-x86_64: Process 524 attached [pid 522] write(3, "1000", 4 [pid 521] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 524 [pid 307] getdents64(3 [pid 522] <... write resumed>) = 4 [pid 521] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 522] close(3 [pid 521] sendfile(-1, -1, [3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 522] <... close resumed>) = 0 [pid 521] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 522] symlink("/dev/binderfs", "./binderfs" [pid 521] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] rmdir("./19"ci2-android-6-1/strace-static-x86_64: Process 523 attached [pid 524] set_robust_list(0x555593f8a6a0, 24 [pid 521] <... clone3 resumed>) = 525 [pid 307] <... rmdir resumed>) = 0 [pid 524] <... set_robust_list resumed>) = 0 [pid 523] set_robust_list(0x555593f8a6a0, 24 [pid 521] ioctl(3, PPPIOCSMRU, 0 [pid 307] mkdir("./20", 0777 [pid 522] <... symlink resumed>) = 0 [pid 521] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 524] rt_sigprocmask(SIG_SETMASK, [] [pid 523] <... set_robust_list resumed>) = 0 [pid 524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 523] rt_sigprocmask(SIG_SETMASK, [] [pid 524] chdir("./23" [pid 523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 522] write(1, "executing program\n", 18 [pid 521] exit_group(0 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 522] <... write resumed>) = 18 [pid 521] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 522] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 524] <... chdir resumed>) = 0 [pid 523] chdir("./20" [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 523] <... chdir resumed>) = 0 [pid 524] <... prctl resumed>) = 0 [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 524] setpgid(0, 0 [pid 523] <... prctl resumed>) = 0 [pid 524] <... setpgid resumed>) = 0 [pid 523] setpgid(0, 0 [pid 521] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 523] <... setpgid resumed>) = 0 [pid 524] <... openat resumed>) = 3 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 524] write(3, "1000", 4 [pid 523] <... openat resumed>) = 3 [pid 522] <... socket resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 522] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 526 [pid 524] <... write resumed>) = 4 [pid 523] write(3, "1000", 4 [pid 522] <... socket resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 524] close(3 [pid 523] <... write resumed>) = 4 [pid 522] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 522] <... connect resumed>) = -1 EEXIST (File exists) [pid 522] sendfile(-1, -1, [3 [pid 524] <... close resumed>) = 0 [pid 523] close(3 [pid 522] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 524] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 526 attached [pid 522] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 526] set_robust_list(0x555593f8a6a0, 24 [pid 524] <... symlink resumed>) = 0 [pid 523] <... close resumed>) = 0 [pid 522] <... clone3 resumed>) = 527 [pid 524] write(1, "executing program\n", 18 executing program [pid 523] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 526] <... set_robust_list resumed>) = 0 [pid 524] <... write resumed>) = 18 [pid 523] <... symlink resumed>) = 0 [pid 522] ioctl(3, PPPIOCSMRU, 0 [pid 309] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 526] rt_sigprocmask(SIG_SETMASK, [] [pid 524] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 523] write(1, "executing program\n", 18 [pid 522] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 524] <... socket resumed>) = 3 [pid 523] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 3 [pid 524] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 523] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 522] exit_group(0 [pid 309] fstat(3 [pid 524] <... socket resumed>) = 4 [pid 523] <... socket resumed>) = 3 [pid 522] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 524] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 523] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 524] <... connect resumed>) = -1 EEXIST (File exists) [pid 523] <... socket resumed>) = 4 [pid 524] sendfile(-1, -1, [3 [pid 523] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 524] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 523] <... connect resumed>) = -1 EEXIST (File exists) [pid 522] +++ exited with 0 +++ [pid 524] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 523] sendfile(-1, -1, [3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 526] chdir("./20" [pid 524] <... clone3 resumed>) = 528 [pid 523] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 524] ioctl(3, PPPIOCSMRU, 0 [pid 523] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 526] <... chdir resumed>) = 0 [pid 524] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./20/binderfs" [pid 526] <... prctl resumed>) = 0 [pid 524] exit_group(0 [pid 523] <... clone3 resumed>) = 529 [pid 310] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 524] <... exit_group resumed>) = ? [pid 523] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... openat resumed>) = 3 [pid 309] unlink("./20/binderfs" [pid 526] setpgid(0, 0 [pid 310] fstat(3 [pid 309] <... unlink resumed>) = 0 [pid 526] <... setpgid resumed>) = 0 [pid 524] +++ exited with 0 +++ [pid 523] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 523] exit_group(0 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 523] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] close(3 [pid 526] <... openat resumed>) = 3 [pid 310] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 523] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 526] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./20" [pid 526] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./22/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 526] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 526] <... close resumed>) = 0 [pid 310] unlink("./22/binderfs" [pid 309] mkdir("./21", 0777 [pid 526] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... mkdir resumed>) = 0 [pid 526] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 526] write(1, "executing program\n", 18) = 18 [pid 526] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 526] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 526] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 ENODEV (No such device) [pid 526] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 526] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] close(3 [pid 526] <... clone3 resumed>) = 530 [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 526] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 526] exit_group(0) = ? [pid 526] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./22") = 0 [pid 310] mkdir("./23", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 531 [pid 308] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./20/binderfs" [pid 308] newfstatat(AT_FDCWD, "./23/binderfs" [pid 307] newfstatat(AT_FDCWD, "./20/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./20/binderfs" [pid 308] unlink("./23/binderfs" [pid 307] unlink("./20/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 308] close(3 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./20" [pid 308] rmdir("./23" [pid 307] rmdir("./20" [pid 306] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./21", 0777 [pid 308] mkdir("./24", 0777 [pid 307] mkdir("./21", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 28.125058][ T472] ------------[ cut here ]------------ [ 28.130581][ T472] WARNING: CPU: 1 PID: 472 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 28.140804][ T472] Modules linked in: [ 28.144842][ T472] CPU: 1 PID: 472 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 28.154206][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 28.164420][ T472] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 532 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 533 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 534 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 534 attached [pid 534] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 534] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 532 attached [pid 532] set_robust_list(0x555593f8a6a0, 24 [pid 534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 534] chdir("./21" [pid 532] <... set_robust_list resumed>) = 0 [pid 532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 532] chdir("./21" [pid 534] <... chdir resumed>) = 0 [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 534] setpgid(0, 0 [pid 532] <... chdir resumed>) = 0 [pid 534] <... setpgid resumed>) = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 534] <... openat resumed>) = 3 [pid 532] setpgid(0, 0) = 0 [pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 534] write(3, "1000", 4 [pid 532] <... openat resumed>) = 3 [pid 534] <... write resumed>) = 4 [pid 532] write(3, "1000", 4 [pid 534] close(3 [pid 532] <... write resumed>) = 4 [pid 534] <... close resumed>) = 0 [pid 532] close(3 [pid 534] symlink("/dev/binderfs", "./binderfs" [pid 532] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 534] <... symlink resumed>) = 0 [pid 532] symlink("/dev/binderfs", "./binderfs" [pid 534] write(1, "executing program\n", 18 [pid 532] <... symlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 535 executing program [pid 534] <... write resumed>) = 18 [pid 532] write(1, "executing program\n", 18 executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 534] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 532] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 534] <... socket resumed>) = 3 [pid 532] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 534] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 532] <... socket resumed>) = 3 [ 28.170875][ T472] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 28.190599][ T472] RSP: 0018:ffffc900010f7b90 EFLAGS: 00010293 [ 28.196749][ T472] RAX: ffffffff849ca097 RBX: ffff88810b3d2000 RCX: ffff88810c576540 [ 28.204794][ T472] RDX: 0000000000000000 RSI: 0000000011c59fe0 RDI: 000000000c04eb7d [ 28.212838][ T472] RBP: ffffc900010f7bb0 R08: ffff88810b3d2083 R09: 1ffff1102167a410 [pid 534] <... socket resumed>) = 4 [pid 532] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 534] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 532] <... socket resumed>) = 4 [pid 532] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 532] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 532] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 536 [pid 532] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 532] exit_group(0) = ? [pid 532] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 306] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 28.220865][ T472] R10: dffffc0000000000 R11: ffffed102167a411 R12: dffffc0000000000 [ 28.228921][ T472] R13: dffffc0000000000 R14: 0000000011c59fe0 R15: ffff88812444d400 [ 28.236950][ T472] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.245953][ T472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.252597][ T472] CR2: 00007ffd4f632d00 CR3: 000000000700f000 CR4: 00000000003506a0 [ 28.260633][ T472] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./21/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./21") = 0 [pid 306] mkdir("./22", 0777) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 537 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 534] <... connect resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 537 attached [pid 537] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 537] chdir("./22") = 0 [pid 537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 537] setpgid(0, 0) = 0 [pid 537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 537] write(3, "1000", 4) = 4 [pid 537] close(3) = 0 [pid 537] symlink("/dev/binderfs", "./binderfs") = 0 [pid 537] write(1, "executing program\n", 18) = 18 [pid 537] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 537] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 537] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 537] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 537] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 534] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 534] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 537] <... clone3 resumed>) = 538 [pid 537] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [ 28.268680][ T472] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.276719][ T472] Call Trace: [ 28.280028][ T472] [ 28.283018][ T472] pppol2tp_release+0x150/0x2b0 [ 28.287920][ T472] sock_close+0xc9/0x220 [ 28.292205][ T472] ? __cfi_sock_close+0x10/0x10 [ 28.297148][ T472] __fput+0x1fd/0x8f0 [ 28.301167][ T472] ____fput+0x15/0x20 [ 28.305237][ T472] task_work_run+0x1e1/0x250 [ 28.309869][ T472] ? __cfi_task_work_run+0x10/0x10 [ 28.315071][ T472] ? free_nsproxy+0x21f/0x270 [ 28.319801][ T472] do_exit+0xb0d/0x29f0 [pid 534] <... clone3 resumed>) = 539 [pid 537] exit_group(0) = ? [pid 534] ioctl(3, PPPIOCSMRU, 0) = -1 ENOSYS (Function not implemented) [pid 534] exit_group(0 [pid 537] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 534] <... exit_group resumed>) = ? [pid 534] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 533 attached [pid 533] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 307] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./21/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./22/binderfs" [pid 307] unlink("./21/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./22/binderfs" [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 533] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 533] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 533] chdir("./24" [pid 307] rmdir("./21" [pid 306] <... close resumed>) = 0 [pid 533] <... chdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./22" [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] mkdir("./22", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 533] <... prctl resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./23", 0777 [pid 533] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 533] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 533] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 533] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 540 [pid 533] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 541 [pid 533] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 533] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 533] symlink("/dev/binderfs", "./binderfs") = 0 [pid 533] write(1, "executing program\n", 18) = 18 executing program [ 28.324053][ T472] ? __cfi_do_exit+0x10/0x10 [ 28.328698][ T472] ? xfd_validate_state+0x70/0x150 [ 28.333891][ T472] ? __kasan_check_write+0x14/0x20 [ 28.339055][ T472] __x64_sys_exit+0x40/0x40 [ 28.343662][ T472] x64_sys_call+0x67/0x9a0 [ 28.348131][ T472] do_syscall_64+0x4c/0xa0 [ 28.352620][ T472] ? clear_bhb_loop+0x30/0x80 [ 28.357343][ T472] ? clear_bhb_loop+0x30/0x80 [ 28.362074][ T472] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.368049][ T472] RIP: 0033:0x7f1cc07fe169 [pid 533] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 533] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 533] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 533] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 533] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 542 [pid 533] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) ci2-android-6-1/strace-static-x86_64: Process 541 attached [pid 533] exit_group(0 [pid 541] set_robust_list(0x555593f8a6a0, 24 [pid 533] <... exit_group resumed>) = ? [pid 541] <... set_robust_list resumed>) = 0 [pid 533] +++ exited with 0 +++ [pid 541] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 541] chdir("./23") = 0 [pid 308] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 541] <... prctl resumed>) = 0 [pid 308] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 541] setpgid(0, 0 [pid 308] <... openat resumed>) = 3 [pid 541] <... setpgid resumed>) = 0 [pid 308] fstat(3 [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 541] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 541] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 541] <... write resumed>) = 4 [pid 308] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 541] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 541] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./24/binderfs" [pid 541] symlink("/dev/binderfs", "./binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 541] <... symlink resumed>) = 0 executing program [pid 308] unlink("./24/binderfs" [pid 541] write(1, "executing program\n", 18 [pid 308] <... unlink resumed>) = 0 [pid 541] <... write resumed>) = 18 [pid 308] getdents64(3 [pid 541] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 541] <... socket resumed>) = 3 [pid 308] close(3 [pid 541] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... close resumed>) = 0 [pid 541] <... socket resumed>) = 4 [pid 308] rmdir("./24" [pid 541] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rmdir resumed>) = 0 [pid 541] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] mkdir("./25", 0777 [pid 541] sendfile(-1, -1, [3 [pid 308] <... mkdir resumed>) = 0 [pid 541] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 541] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [ 28.372541][ T472] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 28.379593][ T472] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 28.388104][ T472] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 28.396157][ T472] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.404208][ T472] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 28.412209][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 541] <... clone3 resumed>) = 543 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 541] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 544 [pid 541] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 541] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 541] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 540 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 540] set_robust_list(0x555593f8a6a0, 24ci2-android-6-1/strace-static-x86_64: Process 535 attached ci2-android-6-1/strace-static-x86_64: Process 531 attached ) = 0 [pid 540] rt_sigprocmask(SIG_SETMASK, [] [pid 535] set_robust_list(0x555593f8a6a0, 24 [pid 531] set_robust_list(0x555593f8a6a0, 24 [pid 540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 535] <... set_robust_list resumed>) = 0 [pid 531] <... set_robust_list resumed>) = 0 [pid 540] chdir("./22" [pid 535] rt_sigprocmask(SIG_SETMASK, [] [pid 531] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 544 attached [pid 540] <... chdir resumed>) = 0 [pid 535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 535] chdir("./21" [pid 531] chdir("./23" [pid 540] <... prctl resumed>) = 0 [pid 535] <... chdir resumed>) = 0 [pid 531] <... chdir resumed>) = 0 [pid 540] setpgid(0, 0 [pid 535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 540] <... setpgid resumed>) = 0 [pid 535] <... prctl resumed>) = 0 [pid 531] <... prctl resumed>) = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 535] setpgid(0, 0 [pid 531] setpgid(0, 0 [pid 540] <... openat resumed>) = 3 [pid 535] <... setpgid resumed>) = 0 [pid 531] <... setpgid resumed>) = 0 [pid 540] write(3, "1000", 4 [pid 535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 540] <... write resumed>) = 4 [pid 535] <... openat resumed>) = 3 [pid 531] <... openat resumed>) = 3 [pid 540] close(3 [pid 535] write(3, "1000", 4 [pid 531] write(3, "1000", 4 [pid 544] set_robust_list(0x555593f8a6a0, 24 [pid 540] <... close resumed>) = 0 [pid 535] <... write resumed>) = 4 [pid 531] <... write resumed>) = 4 [pid 540] symlink("/dev/binderfs", "./binderfs" [pid 535] close(3 [pid 531] close(3 [pid 540] <... symlink resumed>) = 0 [pid 535] <... close resumed>) = 0 [pid 531] <... close resumed>) = 0 [pid 540] write(1, "executing program\n", 18 executing program [pid 535] symlink("/dev/binderfs", "./binderfs" [pid 531] symlink("/dev/binderfs", "./binderfs" [pid 544] <... set_robust_list resumed>) = 0 [pid 540] <... write resumed>) = 18 [pid 535] <... symlink resumed>) = 0 [pid 544] rt_sigprocmask(SIG_SETMASK, [] [pid 540] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 535] write(1, "executing program\n", 18 [pid 531] <... symlink resumed>) = 0 [pid 544] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 544] chdir("./25" [pid 540] <... socket resumed>) = 3 [pid 535] <... write resumed>) = 18 [pid 531] write(1, "executing program\n", 18 [pid 544] <... chdir resumed>) = 0 [pid 540] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 535] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 531] <... write resumed>) = 18 [pid 544] <... prctl resumed>) = 0 executing program [pid 540] <... socket resumed>) = 4 [pid 544] setpgid(0, 0 [pid 540] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 535] <... socket resumed>) = 3 [pid 531] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 544] <... setpgid resumed>) = 0 [pid 540] <... connect resumed>) = -1 EEXIST (File exists) [pid 535] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 531] <... socket resumed>) = 3 [pid 544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 540] sendfile(-1, -1, [3 [pid 535] <... socket resumed>) = 4 [pid 531] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 540] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 535] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 531] <... socket resumed>) = 4 [pid 544] <... openat resumed>) = 3 [pid 540] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 535] <... connect resumed>) = -1 EEXIST (File exists) [pid 531] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 544] write(3, "1000", 4) = 4 [pid 544] close(3 [pid 540] <... clone3 resumed>) = 545 [pid 535] sendfile(-1, -1, [3 [pid 531] <... connect resumed>) = -1 EEXIST (File exists) [pid 544] <... close resumed>) = 0 [pid 540] ioctl(3, PPPIOCSMRU, 0 [pid 535] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 531] sendfile(-1, -1, [3 [pid 544] symlink("/dev/binderfs", "./binderfs" [pid 540] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 535] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 531] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 544] <... symlink resumed>) = 0 [pid 540] exit_group(0 [pid 544] write(1, "executing program\n", 18) = 18 executing program [pid 544] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 544] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 540] <... exit_group resumed>) = ? [pid 535] <... clone3 resumed>) = 546 [pid 531] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 544] <... socket resumed>) = 4 [pid 544] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 544] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 544] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 548 [pid 540] +++ exited with 0 +++ [pid 535] ioctl(3, PPPIOCSMRU, 0 [pid 531] <... clone3 resumed>) = 547 [pid 306] <... restart_syscall resumed>) = 0 [pid 544] ioctl(3, PPPIOCSMRU, 0 [pid 535] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 531] ioctl(3, PPPIOCSMRU, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 544] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 535] exit_group(0 [pid 531] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 544] exit_group(0 [pid 535] <... exit_group resumed>) = ? [pid 306] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 544] <... exit_group resumed>) = ? [pid 531] exit_group(0 [pid 307] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 544] +++ exited with 0 +++ [pid 535] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 531] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 531] +++ exited with 0 +++ [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./23/binderfs" [pid 307] newfstatat(AT_FDCWD, "./22/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./23/binderfs" [pid 307] unlink("./22/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./23" [pid 307] rmdir("./22" [pid 306] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./24", 0777 [pid 307] mkdir("./23", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 549 attached [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 549] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 549 [pid 549] <... set_robust_list resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 549] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 549] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 549] chdir("./24") = 0 [pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 550 [pid 549] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 549] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 549] write(3, "1000", 4) = 4 [pid 549] close(3) = 0 [pid 549] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 550 attached ) = 0 [pid 549] write(1, "executing program\n", 18) = 18 executing program [pid 549] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 549] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 549] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 549] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 549] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 550] set_robust_list(0x555593f8a6a0, 24 [pid 549] <... clone3 resumed>) = 551 [pid 550] <... set_robust_list resumed>) = 0 [pid 549] ioctl(3, PPPIOCSMRU, 0 [pid 550] rt_sigprocmask(SIG_SETMASK, [] [pid 549] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 550] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 550] chdir("./23" [pid 549] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 550] <... chdir resumed>) = 0 [pid 549] <... exit_group resumed>) = ? [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 549] +++ exited with 0 +++ [pid 310] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 550] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 550] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 550] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./23/binderfs" [pid 309] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./23/binderfs" [pid 309] newfstatat(AT_FDCWD, "./21/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 550] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] unlink("./21/binderfs" [pid 550] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 550] <... write resumed>) = 4 [pid 310] close(3 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 550] close(3 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./23" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./25/binderfs" [pid 550] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 308] unlink("./25/binderfs" [pid 550] symlink("/dev/binderfs", "./binderfs" [pid 310] mkdir("./24", 0777 [pid 309] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./25") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] mkdir("./26", 0777 [pid 550] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./21" [pid 308] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 550] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 550] <... write resumed>) = 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 550] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] mkdir("./22", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 552 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 553 [pid 306] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 550] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 550] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./24/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 550] <... socket resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 554 [pid 306] close(3) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./24" [pid 550] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 552 attached [pid 550] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] mkdir("./25", 0777ci2-android-6-1/strace-static-x86_64: Process 553 attached ci2-android-6-1/strace-static-x86_64: Process 554 attached [pid 552] set_robust_list(0x555593f8a6a0, 24 [pid 550] sendfile(-1, -1, [3 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 554] set_robust_list(0x555593f8a6a0, 24 [pid 553] set_robust_list(0x555593f8a6a0, 24 [pid 552] <... set_robust_list resumed>) = 0 [pid 550] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) ci2-android-6-1/strace-static-x86_64: Process 555 attached [pid 555] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 555 [pid 555] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 555] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 555] chdir("./25" [pid 554] <... set_robust_list resumed>) = 0 [pid 553] <... set_robust_list resumed>) = 0 [pid 552] rt_sigprocmask(SIG_SETMASK, [] [pid 550] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 555] <... chdir resumed>) = 0 [pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] setpgid(0, 0) = 0 [pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] write(3, "1000", 4) = 4 [pid 555] close(3) = 0 [pid 550] <... clone3 resumed>) = 556 [pid 555] symlink("/dev/binderfs", "./binderfs") = 0 [pid 552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 550] ioctl(3, PPPIOCSMRU, 0 [pid 553] rt_sigprocmask(SIG_SETMASK, [] [pid 555] write(1, "executing program\n", 18) = 18 [pid 555] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 555] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 555] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 555] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 555] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 550] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 555] <... clone3 resumed>) = 557 [pid 554] rt_sigprocmask(SIG_SETMASK, [] [pid 553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 552] chdir("./24" [pid 555] ioctl(3, PPPIOCSMRU, 0 [pid 550] exit_group(0 [pid 555] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 555] exit_group(0) = ? [pid 554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 553] chdir("./26" [pid 552] <... chdir resumed>) = 0 [pid 550] <... exit_group resumed>) = ? [pid 555] +++ exited with 0 +++ [pid 554] chdir("./22" [pid 553] <... chdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 554] <... chdir resumed>) = 0 [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 552] <... prctl resumed>) = 0 [pid 550] +++ exited with 0 +++ [pid 552] setpgid(0, 0) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 552] <... openat resumed>) = 3 [pid 552] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 553] <... prctl resumed>) = 0 [pid 552] <... write resumed>) = 4 [pid 552] close(3) = 0 [pid 552] symlink("/dev/binderfs", "./binderfs" [pid 553] setpgid(0, 0 [pid 552] <... symlink resumed>) = 0 [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] <... setpgid resumed>) = 0 [pid 552] write(1, "executing program\n", 18) = 18 executing program [pid 552] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 552] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 552] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 552] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... restart_syscall resumed>) = 0 [pid 554] <... prctl resumed>) = 0 [pid 553] <... openat resumed>) = 3 [pid 552] <... clone3 resumed>) = 558 [pid 553] write(3, "1000", 4 [pid 552] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 553] <... write resumed>) = 4 [pid 552] exit_group(0) = ? [pid 554] setpgid(0, 0 [pid 553] close(3 [pid 552] +++ exited with 0 +++ [pid 307] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 554] <... setpgid resumed>) = 0 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 553] <... close resumed>) = 0 [pid 554] write(3, "1000", 4) = 4 [pid 554] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 554] <... close resumed>) = 0 [pid 553] symlink("/dev/binderfs", "./binderfs" [pid 554] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 554] write(1, "executing program\n", 18) = 18 [pid 553] <... symlink resumed>) = 0 executing program [pid 554] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... openat resumed>) = 3 [pid 554] <... socket resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 554] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 554] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 553] write(1, "executing program\n", 18 [pid 307] fstat(3 [pid 306] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 554] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 554] sendfile(-1, -1, [3 [pid 553] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./25/binderfs" [pid 554] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 553] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./25") = 0 [pid 306] mkdir("./26", 0777) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 559 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 559 attached [pid 559] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 559] chdir("./26") = 0 [pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 559] setpgid(0, 0) = 0 [pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 559] write(3, "1000", 4 [pid 553] <... socket resumed>) = 3 [pid 554] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 553] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 559] <... write resumed>) = 4 [pid 559] close(3) = 0 [pid 559] symlink("/dev/binderfs", "./binderfs") = 0 [pid 559] write(1, "executing program\n", 18 [pid 554] <... clone3 resumed>) = 560 [pid 559] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 559] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 553] <... socket resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./23/binderfs" [pid 554] ioctl(3, PPPIOCSMRU, 0 [pid 553] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 554] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 553] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./23/binderfs" [pid 553] sendfile(-1, -1, [3 [pid 554] exit_group(0 [pid 559] <... socket resumed>) = 3 [pid 559] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... unlink resumed>) = 0 [pid 554] <... exit_group resumed>) = ? [pid 553] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 553] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] getdents64(3 [pid 559] <... socket resumed>) = 4 [pid 559] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 559] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 559] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 554] +++ exited with 0 +++ [pid 559] <... clone3 resumed>) = 562 [pid 553] <... clone3 resumed>) = 561 executing program [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 553] ioctl(3, PPPIOCSMRU, 0 [pid 307] close(3 [pid 559] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 559] exit_group(0) = ? [pid 307] <... close resumed>) = 0 [pid 553] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] rmdir("./23" [pid 553] exit_group(0 [pid 307] <... rmdir resumed>) = 0 [pid 553] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [ 28.420251][ T472] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 000000000000000d [ 28.428297][ T472] [ 28.431363][ T472] ---[ end trace 0000000000000000 ]--- [pid 310] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 553] +++ exited with 0 +++ [pid 310] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./24", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./24/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./24/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./24") = 0 [pid 310] mkdir("./25", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 563 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 559] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 563 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 306] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./26/binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./26/binderfs") = 0 [pid 308] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] close(3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rmdir("./26" [pid 308] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./27", 0777 [pid 308] unlink("./26/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./26" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./27", 0777) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 564 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 565 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./22/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./22") = 0 [pid 309] mkdir("./23", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 566 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 566 attached [pid 566] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 566] chdir("./23") = 0 [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 566] setpgid(0, 0) = 0 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 566] write(3, "1000", 4) = 4 [pid 566] close(3) = 0 [pid 566] symlink("/dev/binderfs", "./binderfs") = 0 [pid 566] write(1, "executing program\n", 18) = 18 [pid 566] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 566] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [ 28.492500][ T539] ------------[ cut here ]------------ [ 28.498243][ T539] WARNING: CPU: 0 PID: 539 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 28.508488][ T539] Modules linked in: [ 28.512865][ T539] CPU: 0 PID: 539 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 28.522563][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 28.532864][ T539] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 566] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 567 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 566] <... connect resumed>) = 0 [pid 566] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 566] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 568 [pid 566] ioctl(3, PPPIOCSMRU, 0) = -1 ENOSYS (Function not implemented) [ 28.539383][ T539] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 28.559166][ T539] RSP: 0018:ffffc90001407b90 EFLAGS: 00010293 [ 28.565299][ T539] RAX: ffffffff849ca097 RBX: ffff88812352a000 RCX: ffff8881126f2880 [ 28.573325][ T539] RDX: 0000000000000000 RSI: 0000000012619680 RDI: 000000000c04eb7d [ 28.581456][ T539] RBP: ffffc90001407bb0 R08: ffff88812352a083 R09: 1ffff110246a5410 [pid 566] exit_group(0) = ? [pid 566] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 309] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./23/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./23") = 0 [pid 309] mkdir("./24", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 569 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 569 attached [pid 569] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 569] chdir("./24") = 0 [pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 569] setpgid(0, 0) = 0 [pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 569] write(3, "1000", 4) = 4 [pid 569] close(3) = 0 [pid 569] symlink("/dev/binderfs", "./binderfs") = 0 [pid 569] write(1, "executing program\n", 18) = 18 [pid 569] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [ 28.589833][ T539] R10: dffffc0000000000 R11: ffffed10246a5411 R12: dffffc0000000000 [ 28.597892][ T539] R13: dffffc0000000000 R14: 0000000012619680 R15: ffff888111c1b800 [ 28.606030][ T539] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.615046][ T539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.622161][ T539] CR2: 00007f1cc08655bc CR3: 000000000700f000 CR4: 00000000003506b0 [ 28.630399][ T539] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 569] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 569] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 569] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 569] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 570 [pid 569] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 569] exit_group(0) = ? [pid 569] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 563] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./24/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./24") = 0 [pid 309] mkdir("./25", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 571 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 563] chdir("./25") = 0 [pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 563] setpgid(0, 0) = 0 [pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 563] write(3, "1000", 4) = 4 [pid 563] close(3) = 0 [pid 563] symlink("/dev/binderfs", "./binderfs") = 0 [pid 563] write(1, "executing program\n", 18) = 18 [pid 563] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 563] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 ci2-android-6-1/strace-static-x86_64: Process 571 attached [pid 571] set_robust_list(0x555593f8a6a0, 24 [pid 563] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 571] <... set_robust_list resumed>) = 0 [pid 571] rt_sigprocmask(SIG_SETMASK, [] [pid 563] <... connect resumed>) = -1 EEXIST (File exists) [pid 571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 563] sendfile(-1, -1, [3 [pid 571] chdir("./25" [pid 563] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 571] <... chdir resumed>) = 0 [pid 563] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 563] <... clone3 resumed>) = 572 [pid 571] <... prctl resumed>) = 0 [pid 571] setpgid(0, 0) = 0 [pid 563] ioctl(3, PPPIOCSMRU, 0 [pid 571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 563] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 571] <... openat resumed>) = 3 [ 28.638724][ T539] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.646826][ T539] Call Trace: [ 28.650143][ T539] [ 28.653277][ T539] pppol2tp_release+0x150/0x2b0 [ 28.658406][ T539] sock_close+0xc9/0x220 [ 28.662763][ T539] ? __cfi_sock_close+0x10/0x10 [ 28.667661][ T539] __fput+0x1fd/0x8f0 [ 28.671795][ T539] ____fput+0x15/0x20 [ 28.675967][ T539] task_work_run+0x1e1/0x250 [ 28.680698][ T539] ? __cfi_task_work_run+0x10/0x10 [ 28.686276][ T539] ? free_nsproxy+0x21f/0x270 [pid 563] exit_group(0 [pid 571] write(3, "1000", 4 [pid 563] <... exit_group resumed>) = ? [pid 571] <... write resumed>) = 4 [pid 563] +++ exited with 0 +++ [pid 571] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 571] <... close resumed>) = 0 [pid 571] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 571] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 571] <... write resumed>) = 18 [pid 310] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 571] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... openat resumed>) = 3 [pid 571] <... socket resumed>) = 3 [pid 310] fstat(3 [pid 571] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 571] <... socket resumed>) = 4 [pid 310] getdents64(3 [pid 571] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 571] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 571] sendfile(-1, -1, [3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 571] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./25/binderfs" [pid 571] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 571] <... clone3 resumed>) = 573 [pid 310] unlink("./25/binderfs" [pid 571] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... unlink resumed>) = 0 [pid 571] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] getdents64(3 [pid 571] exit_group(0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 571] <... exit_group resumed>) = ? [pid 310] close(3 [pid 571] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./25" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./26", 0777) = 0 [pid 309] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 574 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./25/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3ci2-android-6-1/strace-static-x86_64: Process 574 attached ) = 0 [pid 574] set_robust_list(0x555593f8a6a0, 24 [pid 309] rmdir("./25" [pid 574] <... set_robust_list resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 574] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./26", 0777 [pid 574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 574] chdir("./26" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 574] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 574] <... prctl resumed>) = 0 [pid 574] setpgid(0, 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 575 [pid 574] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 574] <... openat resumed>) = 3 [pid 574] write(3, "1000", 4) = 4 [pid 574] close(3) = 0 [pid 574] symlink("/dev/binderfs", "./binderfs") = 0 [pid 574] write(1, "executing program\n", 18ci2-android-6-1/strace-static-x86_64: Process 575 attached ) = 18 executing program [pid 575] set_robust_list(0x555593f8a6a0, 24 [pid 574] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 575] <... set_robust_list resumed>) = 0 [pid 574] <... socket resumed>) = 3 [pid 575] rt_sigprocmask(SIG_SETMASK, [] [ 28.691147][ T539] do_exit+0xb0d/0x29f0 [ 28.695650][ T539] ? __cfi_do_exit+0x10/0x10 [ 28.700396][ T539] ? xfd_validate_state+0x70/0x150 [ 28.705804][ T539] ? __kasan_check_write+0x14/0x20 [ 28.711022][ T539] __x64_sys_exit+0x40/0x40 [ 28.715776][ T539] x64_sys_call+0x67/0x9a0 [ 28.720313][ T539] do_syscall_64+0x4c/0xa0 [ 28.724928][ T539] ? clear_bhb_loop+0x30/0x80 [ 28.729725][ T539] ? clear_bhb_loop+0x30/0x80 [ 28.734705][ T539] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [pid 574] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 574] <... socket resumed>) = 4 [pid 575] chdir("./26" [pid 574] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 575] <... chdir resumed>) = 0 [pid 574] <... connect resumed>) = -1 EEXIST (File exists) [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 574] sendfile(-1, -1, [3 [pid 575] <... prctl resumed>) = 0 [pid 574] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 575] setpgid(0, 0 [pid 574] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 575] <... setpgid resumed>) = 0 [pid 574] <... clone3 resumed>) = 576 [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 574] ioctl(3, PPPIOCSMRU, 0 [pid 575] <... openat resumed>) = 3 [pid 574] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 575] write(3, "1000", 4 [pid 574] exit_group(0 [pid 575] <... write resumed>) = 4 [pid 574] <... exit_group resumed>) = ? [pid 575] close(3 [pid 574] +++ exited with 0 +++ [pid 575] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 575] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 575] <... symlink resumed>) = 0 [pid 575] write(1, "executing program\n", 18) = 18 [pid 575] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 575] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 575] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 575] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 575] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 577 [pid 575] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 575] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 575] <... exit_group resumed>) = ? [pid 575] +++ exited with 0 +++ [pid 310] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] newfstatat(AT_FDCWD, "./26/binderfs" [pid 309] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./26/binderfs" [pid 309] newfstatat(AT_FDCWD, "./26/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] unlink("./26/binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] close(3 [pid 309] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./26" [pid 309] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] mkdir("./27", 0777 [pid 309] rmdir("./26" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./27", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 578 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 579 [ 28.740862][ T539] RIP: 0033:0x7f1cc07fe169 [ 28.745504][ T539] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 28.752808][ T539] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 28.761624][ T539] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 28.769896][ T539] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.778396][ T539] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 578 attached [pid 578] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 578] chdir("./27") = 0 ci2-android-6-1/strace-static-x86_64: Process 579 attached [pid 579] set_robust_list(0x555593f8a6a0, 24 [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 578] setpgid(0, 0 [pid 579] <... set_robust_list resumed>) = 0 [pid 578] <... setpgid resumed>) = 0 [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 579] chdir("./27" [pid 578] <... openat resumed>) = 3 [pid 579] <... chdir resumed>) = 0 [pid 579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 578] write(3, "1000", 4 [pid 579] <... prctl resumed>) = 0 [pid 578] <... write resumed>) = 4 [pid 579] setpgid(0, 0 [pid 578] close(3 [pid 579] <... setpgid resumed>) = 0 [pid 578] <... close resumed>) = 0 [pid 579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 578] symlink("/dev/binderfs", "./binderfs" [pid 579] <... openat resumed>) = 3 [pid 578] <... symlink resumed>) = 0 [pid 579] write(3, "1000", 4 executing program [pid 578] write(1, "executing program\n", 18 [pid 579] <... write resumed>) = 4 [pid 578] <... write resumed>) = 18 [pid 579] close(3 [pid 578] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 579] <... close resumed>) = 0 [pid 578] <... socket resumed>) = 3 [pid 579] symlink("/dev/binderfs", "./binderfs" [pid 578] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 579] <... symlink resumed>) = 0 [pid 578] <... socket resumed>) = 4 [pid 579] write(1, "executing program\n", 18 executing program [pid 578] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 579] <... write resumed>) = 18 [pid 578] <... connect resumed>) = 0 [pid 579] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 578] sendfile(-1, -1, [3 [pid 579] <... socket resumed>) = 3 [pid 578] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 579] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 578] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 579] <... socket resumed>) = 4 [pid 578] <... clone3 resumed>) = 580 [pid 579] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 578] ioctl(3, PPPIOCSMRU, 0 [pid 579] <... connect resumed>) = -1 EEXIST (File exists) [pid 578] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 579] sendfile(-1, -1, [3 [pid 578] exit_group(0 [pid 579] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 578] <... exit_group resumed>) = ? [pid 579] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 578] +++ exited with 0 +++ [pid 579] <... clone3 resumed>) = 581 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 579] ioctl(3, PPPIOCSMRU, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 579] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... restart_syscall resumed>) = 0 [pid 579] exit_group(0) = ? [pid 579] +++ exited with 0 +++ [pid 310] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./27/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 ci2-android-6-1/strace-static-x86_64: Process 565 attached ci2-android-6-1/strace-static-x86_64: Process 564 attached [pid 310] rmdir("./27") = 0 [pid 310] mkdir("./28", 0777) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 582 [pid 309] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./27/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./27") = 0 [pid 309] mkdir("./28", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 583 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 582 attached [pid 582] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 582] chdir("./28") = 0 [pid 582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 582] setpgid(0, 0) = 0 [pid 582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 582] write(3, "1000", 4 [pid 565] set_robust_list(0x555593f8a6a0, 24 [pid 564] set_robust_list(0x555593f8a6a0, 24ci2-android-6-1/strace-static-x86_64: Process 567 attached [pid 565] <... set_robust_list resumed>) = 0 [pid 564] <... set_robust_list resumed>) = 0 [pid 567] set_robust_list(0x555593f8a6a0, 24 [pid 582] <... write resumed>) = 4 [pid 565] rt_sigprocmask(SIG_SETMASK, [] [pid 582] close(3 [pid 567] <... set_robust_list resumed>) = 0 [pid 564] rt_sigprocmask(SIG_SETMASK, [] [pid 565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 567] rt_sigprocmask(SIG_SETMASK, [] [pid 564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 565] chdir("./27" [pid 567] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 564] chdir("./27" [pid 565] <... chdir resumed>) = 0 [pid 582] <... close resumed>) = 0 [pid 567] chdir("./24" [pid 565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 564] <... chdir resumed>) = 0 [pid 582] symlink("/dev/binderfs", "./binderfs" [pid 567] <... chdir resumed>) = 0 [pid 565] <... prctl resumed>) = 0 [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 565] setpgid(0, 0 [pid 564] <... prctl resumed>) = 0 [pid 567] <... prctl resumed>) = 0 [pid 565] <... setpgid resumed>) = 0 [pid 564] setpgid(0, 0 [pid 567] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 583 attached ) = 0 [pid 565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 564] <... setpgid resumed>) = 0 [pid 583] set_robust_list(0x555593f8a6a0, 24 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 583] <... set_robust_list resumed>) = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 583] rt_sigprocmask(SIG_SETMASK, [] [pid 565] <... openat resumed>) = 3 [pid 583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 583] chdir("./28" [pid 564] <... openat resumed>) = 3 [pid 567] <... openat resumed>) = 3 [pid 565] write(3, "1000", 4 [pid 564] write(3, "1000", 4 [pid 567] write(3, "1000", 4 [pid 565] <... write resumed>) = 4 [pid 567] <... write resumed>) = 4 [pid 565] close(3 [pid 564] <... write resumed>) = 4 [pid 567] close(3 [pid 565] <... close resumed>) = 0 [pid 564] close(3 [pid 582] <... symlink resumed>) = 0 [pid 567] <... close resumed>) = 0 [pid 565] symlink("/dev/binderfs", "./binderfs" [pid 564] <... close resumed>) = 0 [pid 567] symlink("/dev/binderfs", "./binderfs" [pid 583] <... chdir resumed>) = 0 [pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 565] <... symlink resumed>) = 0 [pid 564] symlink("/dev/binderfs", "./binderfs" [pid 583] setpgid(0, 0) = 0 [pid 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 567] <... symlink resumed>) = 0 [pid 583] <... openat resumed>) = 3 [pid 582] write(1, "executing program\n", 18 [pid 567] write(1, "executing program\n", 18 [pid 565] write(1, "executing program\n", 18 [pid 564] <... symlink resumed>) = 0 executing program executing program executing program [pid 583] write(3, "1000", 4 [pid 567] <... write resumed>) = 18 [pid 565] <... write resumed>) = 18 [pid 564] write(1, "executing program\n", 18 [pid 582] <... write resumed>) = 18 executing program [pid 583] <... write resumed>) = 4 [pid 567] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 565] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 564] <... write resumed>) = 18 [pid 583] close(3 [pid 567] <... socket resumed>) = 3 [pid 564] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 583] <... close resumed>) = 0 [pid 582] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 567] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 565] <... socket resumed>) = 3 [pid 564] <... socket resumed>) = 3 [pid 583] symlink("/dev/binderfs", "./binderfs" [pid 567] <... socket resumed>) = 4 [pid 565] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 564] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 583] <... symlink resumed>) = 0 [pid 582] <... socket resumed>) = 3 executing program [pid 567] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 565] <... socket resumed>) = 4 [pid 564] <... socket resumed>) = 4 [pid 583] write(1, "executing program\n", 18 [pid 582] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 567] <... connect resumed>) = -1 EEXIST (File exists) [pid 583] <... write resumed>) = 18 [pid 565] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 583] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 567] sendfile(-1, -1, [3 [pid 564] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 582] <... socket resumed>) = 4 [pid 567] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 565] <... connect resumed>) = -1 EEXIST (File exists) [pid 564] <... connect resumed>) = -1 EEXIST (File exists) [pid 567] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 565] sendfile(-1, -1, [3 [pid 564] sendfile(-1, -1, [3 [pid 582] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 583] <... socket resumed>) = 3 [pid 583] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 583] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 583] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 583] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 585 [pid 582] <... connect resumed>) = -1 EEXIST (File exists) [pid 567] <... clone3 resumed>) = 584 [pid 565] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 564] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 583] ioctl(3, PPPIOCSMRU, 0 [pid 582] sendfile(-1, -1, [3 [pid 567] ioctl(3, PPPIOCSMRU, 0 [pid 565] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 564] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 582] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 567] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 583] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 583] exit_group(0) = ? [pid 583] +++ exited with 0 +++ [pid 565] <... clone3 resumed>) = 586 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 564] <... clone3 resumed>) = 587 [pid 567] exit_group(0) = ? [pid 565] ioctl(3, PPPIOCSMRU, 0 [pid 309] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 564] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 567] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 582] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 565] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 564] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 565] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./28/binderfs" [pid 565] <... exit_group resumed>) = ? [pid 564] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./28/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 582] <... clone3 resumed>) = 588 [pid 309] rmdir("./28") = 0 [pid 309] mkdir("./29", 0777 [pid 582] ioctl(3, PPPIOCSMRU, 0 [pid 565] +++ exited with 0 +++ [pid 564] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 582] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 564] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 589 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 582] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 582] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 589 attached [pid 589] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] chdir("./29") = 0 [pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 589] setpgid(0, 0) = 0 [pid 582] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 589] write(3, "1000", 4) = 4 [pid 589] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 589] <... close resumed>) = 0 [pid 589] symlink("/dev/binderfs", "./binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 308] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 589] <... symlink resumed>) = 0 executing program [pid 589] write(1, "executing program\n", 18) = 18 [pid 589] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 589] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 310] fstat(3 [pid 306] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./24/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./27/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./28/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./24/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./27/binderfs" [pid 589] <... socket resumed>) = 4 [pid 310] unlink("./28/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./27/binderfs" [pid 589] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] unlink("./27/binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] close(3 [pid 589] <... connect resumed>) = -1 EEXIST (File exists) [pid 589] sendfile(-1, -1, [3 [pid 306] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] close(3 [pid 308] rmdir("./27" [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 589] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./24" [pid 310] rmdir("./28" [pid 308] mkdir("./28", 0777 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 589] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... rmdir resumed>) = 0 [pid 589] <... clone3 resumed>) = 590 [pid 589] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 589] exit_group(0 [pid 306] close(3 [pid 589] <... exit_group resumed>) = ? [pid 589] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] mkdir("./25", 0777 [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./29", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./27" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./28", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 591 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 592 attached [pid 592] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 592] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 592 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 593 [pid 592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 592] chdir("./25") = 0 [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 592] setpgid(0, 0) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 594 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 592] <... openat resumed>) = 3 [pid 309] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 592] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./29/binderfs" [pid 592] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 28.786667][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [ 28.794852][ T539] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 0000000000000015 [ 28.803179][ T539] [ 28.806345][ T539] ---[ end trace 0000000000000000 ]--- [pid 592] close(3 [pid 309] unlink("./29/binderfs"ci2-android-6-1/strace-static-x86_64: Process 594 attached ci2-android-6-1/strace-static-x86_64: Process 593 attached ci2-android-6-1/strace-static-x86_64: Process 591 attached [pid 592] <... close resumed>) = 0 [pid 594] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... unlink resumed>) = 0 [pid 594] <... set_robust_list resumed>) = 0 [pid 593] set_robust_list(0x555593f8a6a0, 24 [pid 592] symlink("/dev/binderfs", "./binderfs" [pid 591] set_robust_list(0x555593f8a6a0, 24 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./29" [pid 594] rt_sigprocmask(SIG_SETMASK, [] [pid 591] <... set_robust_list resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./30", 0777 [pid 594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 593] <... set_robust_list resumed>) = 0 [pid 592] <... symlink resumed>) = 0 [pid 591] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 594] chdir("./28" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 594] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 593] rt_sigprocmask(SIG_SETMASK, [] [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 592] write(1, "executing program\n", 18 [pid 591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 594] <... prctl resumed>) = 0 [pid 593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 592] <... write resumed>) = 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 594] setpgid(0, 0 [pid 593] chdir("./29" [pid 594] <... setpgid resumed>) = 0 [pid 591] chdir("./28" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 595 [pid 592] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 593] <... chdir resumed>) = 0 [pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 593] setpgid(0, 0) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 593] <... openat resumed>) = 3 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 593] write(3, "1000", 4) = 4 [pid 593] close(3) = 0 [pid 593] symlink("/dev/binderfs", "./binderfs") = 0 [pid 594] <... openat resumed>) = 3 [pid 593] write(1, "executing program\n", 18) = 18 executing program [pid 593] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 594] write(3, "1000", 4 [pid 593] <... socket resumed>) = 3 [pid 591] <... chdir resumed>) = 0 [pid 593] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 593] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 594] <... write resumed>) = 4 [pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 593] <... connect resumed>) = -1 EEXIST (File exists) [pid 593] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 593] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 594] close(3 [pid 591] <... prctl resumed>) = 0 [pid 594] <... close resumed>) = 0 [pid 591] setpgid(0, 0 [pid 594] symlink("/dev/binderfs", "./binderfs" [pid 592] <... socket resumed>) = 3 [pid 593] <... clone3 resumed>) = 596 [pid 594] <... symlink resumed>) = 0 [pid 593] ioctl(3, PPPIOCSMRU, 0 [pid 594] write(1, "executing program\n", 18 [pid 592] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 591] <... setpgid resumed>) = 0 [pid 593] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 593] exit_group(0) = ? executing program [pid 594] <... write resumed>) = 18 [pid 594] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 594] <... socket resumed>) = 3 [pid 594] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 593] +++ exited with 0 +++ [pid 591] <... openat resumed>) = 3 [pid 594] <... socket resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 595 attached [pid 595] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 594] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 595] chdir("./30" [pid 594] <... connect resumed>) = -1 EEXIST (File exists) [pid 591] write(3, "1000", 4 [pid 595] <... chdir resumed>) = 0 [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 595] setpgid(0, 0 [pid 594] sendfile(-1, -1, [3 [pid 595] <... setpgid resumed>) = 0 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 594] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 591] <... write resumed>) = 4 [pid 594] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 592] <... socket resumed>) = 4 [pid 591] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 594] <... clone3 resumed>) = 597 [pid 591] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./29/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./29") = 0 [pid 310] mkdir("./30", 0777 [pid 594] ioctl(3, PPPIOCSMRU, 0 [pid 592] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 591] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 594] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 592] <... connect resumed>) = -1 EEXIST (File exists) [pid 591] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 598 attached [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 598 [pid 594] exit_group(0 [pid 591] write(1, "executing program\n", 18 executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 594] <... exit_group resumed>) = ? [pid 592] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 595] <... openat resumed>) = 3 [pid 595] write(3, "1000", 4) = 4 [pid 595] close(3) = 0 [pid 595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 594] +++ exited with 0 +++ [pid 591] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 595] write(1, "executing program\n", 18) = 18 [pid 595] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 595] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 592] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 591] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 595] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 595] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 595] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 598] set_robust_list(0x555593f8a6a0, 24 [pid 595] <... clone3 resumed>) = 599 [pid 592] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 591] <... socket resumed>) = 3 [pid 595] ioctl(3, PPPIOCSMRU, 0 [pid 591] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 595] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 595] exit_group(0) = ? [pid 592] <... clone3 resumed>) = 600 [pid 595] +++ exited with 0 +++ [pid 591] <... socket resumed>) = 4 [pid 598] <... set_robust_list resumed>) = 0 [pid 598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 598] chdir("./30") = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 591] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 592] ioctl(3, PPPIOCSMRU, 0 [pid 591] <... connect resumed>) = -1 EEXIST (File exists) [pid 591] sendfile(-1, -1, [3 [pid 592] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 591] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 591] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 598] <... prctl resumed>) = 0 [pid 598] setpgid(0, 0 [pid 592] exit_group(0 [pid 598] <... setpgid resumed>) = 0 [pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 592] <... exit_group resumed>) = ? [pid 591] <... clone3 resumed>) = 601 [pid 598] write(3, "1000", 4) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 306] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 591] ioctl(3, PPPIOCSMRU, 0 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 598] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 598] <... close resumed>) = 0 [pid 306] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 598] symlink("/dev/binderfs", "./binderfs" [pid 592] +++ exited with 0 +++ [pid 591] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 598] <... symlink resumed>) = 0 [pid 591] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./28/binderfs" [pid 598] write(1, "executing program\n", 18 [pid 591] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 598] <... write resumed>) = 18 [pid 306] unlink("./28/binderfs" [pid 598] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... unlink resumed>) = 0 [pid 598] <... socket resumed>) = 3 [pid 306] getdents64(3 [pid 598] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 598] <... socket resumed>) = 4 [pid 591] +++ exited with 0 +++ [pid 306] close(3 executing program [pid 598] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 598] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] rmdir("./28" [pid 598] sendfile(-1, -1, [3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 598] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] mkdir("./29", 0777 [pid 598] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 598] <... clone3 resumed>) = 602 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 598] ioctl(3, PPPIOCSMRU, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 598] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) ci2-android-6-1/strace-static-x86_64: Process 603 attached [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 603 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 598] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 603] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 603] chdir("./29" [pid 598] <... exit_group resumed>) = ? [pid 603] <... chdir resumed>) = 0 [pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 603] setpgid(0, 0 [pid 598] +++ exited with 0 +++ [pid 603] <... setpgid resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 603] <... openat resumed>) = 3 [pid 603] write(3, "1000", 4) = 4 [pid 603] close(3) = 0 [pid 603] symlink("/dev/binderfs", "./binderfs") = 0 [pid 603] write(1, "executing program\n", 18) = 18 [pid 603] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 603] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 603] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 603] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 603] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 604 [pid 603] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 603] exit_group(0) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 603] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 309] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 309] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 308] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./28/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./25/binderfs" [pid 308] unlink("./28/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 307] unlink("./25/binderfs" [pid 309] fstat(3 [pid 308] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 307] close(3 [pid 308] rmdir("./28" [pid 307] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./25" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] mkdir("./29", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 309] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 307] mkdir("./26", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./30/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] unlink("./30/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 605 attached ci2-android-6-1/strace-static-x86_64: Process 606 attached [pid 309] <... unlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 605 [pid 306] <... restart_syscall resumed>) = 0 [pid 606] set_robust_list(0x555593f8a6a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 606 [pid 606] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 606] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 606] chdir("./26" [pid 306] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 606] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] fstat(3 [pid 606] <... prctl resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 606] setpgid(0, 0 [pid 306] getdents64(3 [pid 606] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 606] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 606] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 306] newfstatat(AT_FDCWD, "./29/binderfs" [pid 606] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 606] close(3 [pid 306] unlink("./29/binderfs" [pid 606] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 606] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 606] <... symlink resumed>) = 0 [pid 605] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... openat resumed>) = 3 [pid 309] rmdir("./30" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 606] write(1, "executing program\n", 18 executing program [pid 306] close(3 [pid 606] <... write resumed>) = 18 [pid 306] <... close resumed>) = 0 [pid 606] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] rmdir("./29" [pid 606] <... socket resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 606] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rmdir resumed>) = 0 [pid 306] mkdir("./30", 0777 [pid 605] <... set_robust_list resumed>) = 0 [pid 310] fstat(3 [pid 309] mkdir("./31", 0777 [pid 606] <... socket resumed>) = 4 [pid 605] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 606] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 606] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 606] sendfile(-1, -1, [3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 607 attached [pid 606] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 309] <... mkdir resumed>) = 0 [pid 606] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 607 [pid 607] set_robust_list(0x555593f8a6a0, 24 [pid 606] <... clone3 resumed>) = 608 [pid 605] chdir("./29" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 606] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 606] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 606] exit_group(0) = ? [pid 607] <... set_robust_list resumed>) = 0 [pid 606] +++ exited with 0 +++ [pid 605] <... chdir resumed>) = 0 [pid 310] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] chdir("./30") = 0 [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 607] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 607] setpgid(0, 0) = 0 [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 607] write(3, "1000", 4) = 4 [pid 607] close(3) = 0 [pid 607] symlink("/dev/binderfs", "./binderfs") = 0 [pid 605] <... prctl resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./30/binderfs" [pid 607] write(1, "executing program\n", 18) = 18 executing program [pid 607] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 605] setpgid(0, 0 [pid 607] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 609 [pid 607] <... socket resumed>) = 4 [pid 607] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 607] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 607] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 609 attached [pid 605] <... setpgid resumed>) = 0 [pid 310] unlink("./30/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 609] set_robust_list(0x555593f8a6a0, 24 [pid 607] <... clone3 resumed>) = 610 [pid 607] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 607] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 607] <... exit_group resumed>) = ? [pid 609] <... set_robust_list resumed>) = 0 [pid 605] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 607] +++ exited with 0 +++ [pid 307] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 605] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./26/binderfs" [pid 605] <... write resumed>) = 4 [pid 310] close(3 [pid 307] <... unlink resumed>) = 0 [pid 605] close(3 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 605] <... close resumed>) = 0 [pid 310] rmdir("./30" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 605] symlink("/dev/binderfs", "./binderfs" [pid 307] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./26") = 0 [pid 307] mkdir("./27", 0777 [pid 609] rt_sigprocmask(SIG_SETMASK, [] [pid 605] <... symlink resumed>) = 0 [pid 310] mkdir("./31", 0777 [pid 605] write(1, "executing program\n", 18 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 605] <... write resumed>) = 18 [pid 310] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 611 attached [pid 611] set_robust_list(0x555593f8a6a0, 24 [pid 605] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 611 [pid 611] <... set_robust_list resumed>) = 0 [pid 605] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 611] rt_sigprocmask(SIG_SETMASK, [] [pid 605] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 605] <... socket resumed>) = 4 [pid 611] chdir("./27") = 0 [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 611] setpgid(0, 0) = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 605] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 612 [pid 605] <... connect resumed>) = -1 EEXIST (File exists) [pid 611] write(3, "1000", 4 [pid 605] sendfile(-1, -1, [3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 605] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 605] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 611] <... write resumed>) = 4 [pid 611] close(3) = 0 [pid 611] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 611] write(1, "executing program\n", 18) = 18 [pid 605] <... clone3 resumed>) = 613 executing program [pid 611] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 611] <... socket resumed>) = 3 [pid 605] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 611] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 605] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 611] <... socket resumed>) = 4 [pid 605] exit_group(0 [pid 306] <... openat resumed>) = 3 [pid 611] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 605] <... exit_group resumed>) = ? [pid 306] fstat(3 [pid 611] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 611] sendfile(-1, -1, [3 [pid 306] getdents64(3 [pid 611] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 611] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 612 attached [pid 611] <... clone3 resumed>) = 614 [pid 609] chdir("./31" [pid 605] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 611] ioctl(3, PPPIOCSMRU, 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./30/binderfs" [pid 612] set_robust_list(0x555593f8a6a0, 24 [pid 611] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 609] <... chdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 611] exit_group(0 [pid 306] unlink("./30/binderfs" [pid 611] <... exit_group resumed>) = ? [pid 306] <... unlink resumed>) = 0 [pid 612] <... set_robust_list resumed>) = 0 [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 612] rt_sigprocmask(SIG_SETMASK, [] [pid 611] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3) = 0 [pid 306] rmdir("./30" [pid 612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 609] <... prctl resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./31", 0777 [pid 612] chdir("./31" [pid 609] setpgid(0, 0 [pid 308] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 609] <... setpgid resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] fstat(3 [pid 612] <... chdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 615 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 609] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./29/binderfs" [pid 612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 609] write(3, "1000", 4 [pid 308] <... unlink resumed>) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./29") = 0 [pid 308] mkdir("./30", 0777ci2-android-6-1/strace-static-x86_64: Process 615 attached [pid 612] <... prctl resumed>) = 0 [pid 609] <... write resumed>) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 612] setpgid(0, 0 [pid 609] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 615] set_robust_list(0x555593f8a6a0, 24 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 616 attached [pid 615] <... set_robust_list resumed>) = 0 [pid 612] <... setpgid resumed>) = 0 [pid 609] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 616] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 616 [pid 616] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 616] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 616] chdir("./30") = 0 [pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 616] setpgid(0, 0) = 0 [pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 609] symlink("/dev/binderfs", "./binderfs" [pid 616] write(3, "1000", 4) = 4 [pid 612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 616] close(3) = 0 [pid 616] symlink("/dev/binderfs", "./binderfs" [pid 609] <... symlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 616] <... symlink resumed>) = 0 [pid 612] <... openat resumed>) = 3 [pid 609] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 [pid 612] write(3, "1000", 4 [pid 609] <... write resumed>) = 18 [pid 307] fstat(3 executing program [pid 612] <... write resumed>) = 4 [pid 609] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 612] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 609] <... socket resumed>) = 3 [pid 616] write(1, "executing program\n", 18 [pid 612] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 612] symlink("/dev/binderfs", "./binderfs" [pid 609] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 616] <... write resumed>) = 18 [pid 616] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 612] <... symlink resumed>) = 0 [pid 307] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 616] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 609] <... socket resumed>) = 4 [pid 612] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program executing program [pid 609] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] newfstatat(AT_FDCWD, "./27/binderfs" [pid 612] <... write resumed>) = 18 [pid 616] <... socket resumed>) = 4 [pid 612] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 609] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 609] sendfile(-1, -1, [3 [pid 612] <... socket resumed>) = 3 [pid 307] unlink("./27/binderfs" [pid 609] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 616] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 612] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 609] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... unlink resumed>) = 0 [pid 616] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 616] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 617 [pid 616] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 616] exit_group(0) = ? [pid 616] +++ exited with 0 +++ [pid 612] <... socket resumed>) = 4 [pid 609] <... clone3 resumed>) = 618 [pid 307] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 612] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 609] ioctl(3, PPPIOCSMRU, 0 [pid 612] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] close(3 [pid 612] sendfile(-1, -1, [3 [pid 609] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 612] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = 0 [pid 612] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 609] exit_group(0 [pid 307] rmdir("./27" [pid 615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 615] chdir("./31") = 0 [pid 615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 615] setpgid(0, 0 [pid 612] <... clone3 resumed>) = 619 [pid 615] <... setpgid resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 612] ioctl(3, PPPIOCSMRU, 0 [pid 307] mkdir("./28", 0777 [pid 609] <... exit_group resumed>) = ? [pid 612] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 609] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 612] exit_group(0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 612] <... exit_group resumed>) = ? [pid 309] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 615] <... openat resumed>) = 3 [pid 615] write(3, "1000", 4) = 4 [pid 615] close(3) = 0 [pid 615] symlink("/dev/binderfs", "./binderfs" [pid 612] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 615] <... symlink resumed>) = 0 [pid 615] write(1, "executing program\n", 18) = 18 [pid 615] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 615] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 620 executing program [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 615] <... socket resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 615] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 615] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 615] sendfile(-1, -1, [3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 615] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./31/binderfs" [pid 615] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./31/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./31") = 0 [pid 309] mkdir("./32", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 621 [pid 308] unlink("./30/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 310] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 310] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./30" [pid 310] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./31", 0777ci2-android-6-1/strace-static-x86_64: Process 621 attached ci2-android-6-1/strace-static-x86_64: Process 620 attached [pid 310] getdents64(3 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 621] set_robust_list(0x555593f8a6a0, 24 [pid 620] set_robust_list(0x555593f8a6a0, 24 [pid 310] newfstatat(AT_FDCWD, "./31/binderfs"ci2-android-6-1/strace-static-x86_64: Process 622 attached [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 622 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 622] set_robust_list(0x555593f8a6a0, 24 [pid 621] <... set_robust_list resumed>) = 0 [pid 620] <... set_robust_list resumed>) = 0 [pid 615] <... clone3 resumed>) = 623 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 615] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 621] rt_sigprocmask(SIG_SETMASK, [] [pid 615] exit_group(0 [pid 310] unlink("./31/binderfs" [pid 622] <... set_robust_list resumed>) = 0 [pid 620] rt_sigprocmask(SIG_SETMASK, [] [pid 615] <... exit_group resumed>) = ? [pid 622] rt_sigprocmask(SIG_SETMASK, [] [pid 621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 615] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 622] chdir("./31" [pid 621] chdir("./32" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 622] <... chdir resumed>) = 0 [pid 620] chdir("./28" [pid 310] close(3 [pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 622] setpgid(0, 0) = 0 [pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 621] <... chdir resumed>) = 0 [pid 620] <... chdir resumed>) = 0 [pid 622] <... openat resumed>) = 3 [pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rmdir("./31" [pid 622] write(3, "1000", 4 [pid 621] <... prctl resumed>) = 0 [pid 620] <... prctl resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 621] setpgid(0, 0 [pid 622] <... write resumed>) = 4 [pid 620] setpgid(0, 0 [pid 310] mkdir("./32", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 621] <... setpgid resumed>) = 0 [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 621] write(3, "1000", 4) = 4 [pid 621] close(3) = 0 [pid 621] symlink("/dev/binderfs", "./binderfs") = 0 [pid 621] write(1, "executing program\n", 18) = 18 [pid 621] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 621] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 executing program [pid 621] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... mkdir resumed>) = 0 [pid 621] <... connect resumed>) = -1 EEXIST (File exists) [pid 620] <... setpgid resumed>) = 0 [pid 621] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 621] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 622] close(3 [pid 621] <... clone3 resumed>) = 624 [pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 621] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 621] exit_group(0) = ? [pid 622] <... close resumed>) = 0 [pid 621] +++ exited with 0 +++ [pid 620] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 622] symlink("/dev/binderfs", "./binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 620] write(3, "1000", 4 [pid 306] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 622] <... symlink resumed>) = 0 [pid 620] <... write resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 625 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 625 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 622] write(1, "executing program\n", 18 [pid 620] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 executing program [pid 306] newfstatat(AT_FDCWD, "./31/binderfs" [pid 622] <... write resumed>) = 18 [pid 620] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./31/binderfs" [pid 622] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 620] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 625] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... unlink resumed>) = 0 [pid 622] <... socket resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 622] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 620] <... symlink resumed>) = 0 [pid 309] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 622] <... socket resumed>) = 4 [pid 620] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 622] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 620] <... write resumed>) = 18 executing program [pid 309] newfstatat(AT_FDCWD, "./32/binderfs" [pid 306] <... close resumed>) = 0 [pid 622] <... connect resumed>) = -1 EEXIST (File exists) [pid 620] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./31" [pid 625] <... set_robust_list resumed>) = 0 [pid 622] sendfile(-1, -1, [3 [pid 620] <... socket resumed>) = 3 [pid 309] unlink("./32/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 625] rt_sigprocmask(SIG_SETMASK, [] [pid 622] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 620] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... unlink resumed>) = 0 [pid 306] mkdir("./32", 0777 [pid 625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 622] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 620] <... socket resumed>) = 4 [pid 309] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 625] chdir("./32" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 625] <... chdir resumed>) = 0 [pid 309] close(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 625] <... prctl resumed>) = 0 [pid 622] <... clone3 resumed>) = 626 [pid 620] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] rmdir("./32"ci2-android-6-1/strace-static-x86_64: Process 627 attached [pid 625] setpgid(0, 0 [pid 622] ioctl(3, PPPIOCSMRU, 0 [pid 620] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 627] set_robust_list(0x555593f8a6a0, 24 [pid 625] <... setpgid resumed>) = 0 [pid 622] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 620] sendfile(-1, -1, [3 [pid 309] mkdir("./33", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 627 [pid 627] <... set_robust_list resumed>) = 0 [pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 622] exit_group(0 [pid 620] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 627] rt_sigprocmask(SIG_SETMASK, [] [pid 625] <... openat resumed>) = 3 [pid 622] <... exit_group resumed>) = ? [pid 620] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 625] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 627] chdir("./32" [pid 625] <... write resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 627] <... chdir resumed>) = 0 [pid 625] close(3 [pid 622] +++ exited with 0 +++ [pid 627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 625] <... close resumed>) = 0 [pid 620] <... clone3 resumed>) = 629 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 628 [pid 627] <... prctl resumed>) = 0 [pid 625] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 627] setpgid(0, 0 [pid 625] <... symlink resumed>) = 0 [pid 620] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 627] <... setpgid resumed>) = 0 [pid 625] write(1, "executing program\n", 18 [pid 620] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 625] <... write resumed>) = 18 executing program [pid 627] <... openat resumed>) = 3 [pid 625] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 620] exit_group(0 [pid 627] write(3, "1000", 4 [pid 625] <... socket resumed>) = 3 [pid 627] <... write resumed>) = 4 [pid 625] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 627] close(3 [pid 625] <... socket resumed>) = 4 [pid 620] <... exit_group resumed>) = ? [pid 627] <... close resumed>) = 0 [pid 625] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 627] symlink("/dev/binderfs", "./binderfs" [pid 625] <... connect resumed>) = -1 EEXIST (File exists) [pid 627] <... symlink resumed>) = 0 [pid 625] sendfile(-1, -1, [3 [pid 627] write(1, "executing program\n", 18 [pid 625] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 627] <... write resumed>) = 18 executing program [pid 625] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 620] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 628 attached [pid 627] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 625] <... clone3 resumed>) = 630 [pid 627] <... socket resumed>) = 3 [pid 625] ioctl(3, PPPIOCSMRU, 0 [pid 627] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 625] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 627] <... socket resumed>) = 4 [pid 625] exit_group(0 [pid 627] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 625] <... exit_group resumed>) = ? [pid 628] set_robust_list(0x555593f8a6a0, 24 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 628] <... set_robust_list resumed>) = 0 [pid 627] <... connect resumed>) = -1 EEXIST (File exists) [pid 625] +++ exited with 0 +++ [pid 627] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 627] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 628] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 627] <... clone3 resumed>) = 631 [pid 627] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 627] exit_group(0) = ? [pid 628] chdir("./33" [pid 308] <... restart_syscall resumed>) = 0 [pid 627] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 628] <... chdir resumed>) = 0 [pid 628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 628] setpgid(0, 0) = 0 [pid 628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 628] write(3, "1000", 4) = 4 [pid 628] close(3) = 0 [pid 628] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 628] write(1, "executing program\n", 18 [pid 308] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 628] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 628] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 628] <... socket resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 628] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 628] <... socket resumed>) = 4 [pid 310] fstat(3 [pid 628] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 628] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 628] sendfile(-1, -1, [3 [pid 310] getdents64(3 [pid 628] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 628] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 632 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 628] ioctl(3, PPPIOCSMRU, 0 [pid 310] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 628] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 628] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 628] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./32/binderfs" [pid 308] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 628] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./32/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./28/binderfs" [pid 306] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./31/binderfs" [pid 307] unlink("./28/binderfs" [pid 306] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./32/binderfs" [pid 309] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] unlink("./32/binderfs" [pid 309] fstat(3 [pid 306] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 309] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 310] close(3 [pid 309] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./31/binderfs" [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./32" [pid 310] rmdir("./32" [pid 309] newfstatat(AT_FDCWD, "./33/binderfs" [pid 308] getdents64(3 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] mkdir("./33", 0777 [pid 310] mkdir("./33", 0777 [pid 309] unlink("./33/binderfs" [pid 308] close(3 [pid 307] rmdir("./28" [pid 306] <... mkdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 308] rmdir("./31" [pid 307] mkdir("./29", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] mkdir("./32", 0777ci2-android-6-1/strace-static-x86_64: Process 634 attached ci2-android-6-1/strace-static-x86_64: Process 633 attached [pid 309] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 633 [pid 309] rmdir("./33" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 634 [pid 634] set_robust_list(0x555593f8a6a0, 24 [pid 633] set_robust_list(0x555593f8a6a0, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 634] <... set_robust_list resumed>) = 0 [pid 633] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./34", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 635 attached [pid 634] rt_sigprocmask(SIG_SETMASK, [] [pid 633] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 636 attached [pid 635] set_robust_list(0x555593f8a6a0, 24 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 635 [pid 636] set_robust_list(0x555593f8a6a0, 24 [pid 635] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 636 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 636] <... set_robust_list resumed>) = 0 [pid 635] rt_sigprocmask(SIG_SETMASK, [] [pid 634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 636] rt_sigprocmask(SIG_SETMASK, [] [pid 635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 634] chdir("./33" [pid 633] chdir("./33" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 637 attached [pid 636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 635] chdir("./29" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 637 [pid 636] chdir("./32" [pid 635] <... chdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 636] <... chdir resumed>) = 0 [pid 635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 635] <... prctl resumed>) = 0 [pid 636] <... prctl resumed>) = 0 [pid 635] setpgid(0, 0 [pid 636] setpgid(0, 0 [pid 635] <... setpgid resumed>) = 0 [pid 636] <... setpgid resumed>) = 0 [pid 635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 633] <... chdir resumed>) = 0 [pid 637] set_robust_list(0x555593f8a6a0, 24 [pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 635] <... openat resumed>) = 3 [pid 634] <... chdir resumed>) = 0 [pid 637] <... set_robust_list resumed>) = 0 [pid 636] <... openat resumed>) = 3 [pid 635] write(3, "1000", 4 [pid 633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 636] write(3, "1000", 4 [pid 635] <... write resumed>) = 4 [pid 636] <... write resumed>) = 4 [pid 635] close(3 [pid 636] close(3 [pid 635] <... close resumed>) = 0 [pid 636] <... close resumed>) = 0 executing program executing program [pid 635] symlink("/dev/binderfs", "./binderfs" [pid 634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 633] <... prctl resumed>) = 0 [pid 637] rt_sigprocmask(SIG_SETMASK, [] [pid 636] symlink("/dev/binderfs", "./binderfs" [pid 635] <... symlink resumed>) = 0 [pid 636] <... symlink resumed>) = 0 [pid 635] write(1, "executing program\n", 18 [pid 634] <... prctl resumed>) = 0 [pid 633] setpgid(0, 0 [pid 636] write(1, "executing program\n", 18 [pid 635] <... write resumed>) = 18 [pid 636] <... write resumed>) = 18 [pid 635] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 636] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 635] <... socket resumed>) = 3 [pid 633] <... setpgid resumed>) = 0 [pid 637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 636] <... socket resumed>) = 3 [pid 635] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 634] setpgid(0, 0 [pid 636] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 635] <... socket resumed>) = 4 [pid 636] <... socket resumed>) = 4 [pid 635] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 634] <... setpgid resumed>) = 0 [pid 633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 636] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 635] <... connect resumed>) = -1 EEXIST (File exists) [pid 636] <... connect resumed>) = -1 EEXIST (File exists) [pid 635] sendfile(-1, -1, [3 [pid 636] sendfile(-1, -1, [3 [pid 635] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 636] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 635] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 637] chdir("./34" [pid 636] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 635] <... clone3 resumed>) = 638 [pid 634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 633] <... openat resumed>) = 3 [pid 637] <... chdir resumed>) = 0 [pid 634] <... openat resumed>) = 3 [pid 633] write(3, "1000", 4 [pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 634] write(3, "1000", 4 [pid 633] <... write resumed>) = 4 [pid 637] <... prctl resumed>) = 0 [pid 636] <... clone3 resumed>) = 639 [pid 635] ioctl(3, PPPIOCSMRU, 0 [pid 634] <... write resumed>) = 4 [pid 636] ioctl(3, PPPIOCSMRU, 0 [pid 635] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 633] close(3 [pid 637] setpgid(0, 0 [pid 636] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 635] exit_group(0 [pid 634] close(3 [pid 636] exit_group(0 [pid 635] <... exit_group resumed>) = ? [pid 637] <... setpgid resumed>) = 0 [pid 636] <... exit_group resumed>) = ? [pid 635] +++ exited with 0 +++ [pid 634] <... close resumed>) = 0 [pid 633] <... close resumed>) = 0 [pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 636] +++ exited with 0 +++ [pid 634] symlink("/dev/binderfs", "./binderfs" [pid 633] symlink("/dev/binderfs", "./binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 637] <... openat resumed>) = 3 [pid 637] write(3, "1000", 4) = 4 [pid 637] close(3) = 0 [pid 637] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 637] write(1, "executing program\n", 18) = 18 executing program [pid 634] <... symlink resumed>) = 0 [pid 633] <... symlink resumed>) = 0 [pid 637] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 634] write(1, "executing program\n", 18 [pid 633] write(1, "executing program\n", 18 [pid 308] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW executing program executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 637] <... socket resumed>) = 3 [pid 634] <... write resumed>) = 18 [pid 633] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 637] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 634] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 633] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 637] <... socket resumed>) = 4 [pid 634] <... socket resumed>) = 3 [pid 633] <... socket resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 637] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 634] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 633] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] fstat(3 [pid 637] <... connect resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 637] sendfile(-1, -1, [3 [pid 633] <... socket resumed>) = 4 [pid 308] getdents64(3 [pid 307] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 637] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 634] <... socket resumed>) = 4 [pid 633] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 637] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 637] <... clone3 resumed>) = 640 [pid 634] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 633] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 637] ioctl(3, PPPIOCSMRU, 0 [pid 308] newfstatat(AT_FDCWD, "./32/binderfs" [pid 637] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 637] exit_group(0 [pid 308] unlink("./32/binderfs" [pid 637] <... exit_group resumed>) = ? [pid 634] <... connect resumed>) = -1 EEXIST (File exists) [pid 633] sendfile(-1, -1, [3 [pid 308] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 637] +++ exited with 0 +++ [pid 634] sendfile(-1, -1, [3 [pid 633] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3) = 0 [pid 308] rmdir("./32") = 0 [pid 308] mkdir("./33", 0777 [pid 634] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 633] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] fstat(3 [pid 634] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 641 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 641 attached [pid 641] set_robust_list(0x555593f8a6a0, 24 [pid 633] <... clone3 resumed>) = 642 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 641] <... set_robust_list resumed>) = 0 [pid 641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 641] chdir("./33") = 0 [pid 641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 641] setpgid(0, 0) = 0 [pid 634] <... clone3 resumed>) = 643 [pid 641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] getdents64(3 [pid 633] ioctl(3, PPPIOCSMRU, 0 [pid 634] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 634] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 633] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 641] <... openat resumed>) = 3 [pid 641] write(3, "1000", 4) = 4 [pid 641] close(3) = 0 [pid 641] symlink("/dev/binderfs", "./binderfs") = 0 [pid 641] write(1, "executing program\n", 18 [pid 307] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 641] <... write resumed>) = 18 [pid 633] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 641] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 634] exit_group(0 executing program [pid 307] newfstatat(AT_FDCWD, "./29/binderfs" [pid 633] <... exit_group resumed>) = ? [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 641] <... socket resumed>) = 3 [pid 641] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 641] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 641] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 641] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 633] +++ exited with 0 +++ [pid 634] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./29/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 634] +++ exited with 0 +++ [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 310] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./33/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./33") = 0 [pid 310] mkdir("./34", 0777) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 644 [pid 309] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./34/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./34") = 0 [pid 309] mkdir("./35", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 645 attached [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 645 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 645] set_robust_list(0x555593f8a6a0, 24 [pid 641] <... clone3 resumed>) = 646 [pid 307] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 641] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 641] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 644 attached [pid 645] <... set_robust_list resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 641] +++ exited with 0 +++ [pid 645] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./29" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 308] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./33/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./33" [pid 645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] mkdir("./30", 0777 [pid 306] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./34", 0777) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 647 attached [pid 645] chdir("./35" [pid 644] set_robust_list(0x555593f8a6a0, 24 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 647] set_robust_list(0x555593f8a6a0, 24 [pid 645] <... chdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 647 [pid 306] <... openat resumed>) = 3 [pid 647] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 647] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 647] chdir("./34") = 0 [pid 647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 647] setpgid(0, 0) = 0 [pid 647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 647] write(3, "1000", 4) = 4 [pid 647] close(3) = 0 [pid 647] symlink("/dev/binderfs", "./binderfs") = 0 [pid 647] write(1, "executing program\n", 18) = 18 [pid 647] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 647] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 647] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 executing program [pid 645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(3 [pid 645] <... prctl resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 647] <... connect resumed>) = -1 EEXIST (File exists) [pid 647] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 647] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 648 attached ) = 649 [pid 645] setpgid(0, 0 [pid 644] <... set_robust_list resumed>) = 0 [pid 306] getdents64(3 [pid 647] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 647] exit_group(0) = ? [pid 648] set_robust_list(0x555593f8a6a0, 24 [pid 647] +++ exited with 0 +++ [pid 645] <... setpgid resumed>) = 0 [pid 644] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 648 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 648] <... set_robust_list resumed>) = 0 [pid 648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 648] chdir("./30" [pid 645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 648] <... chdir resumed>) = 0 [pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 648] setpgid(0, 0) = 0 [pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 648] write(3, "1000", 4) = 4 [pid 645] <... openat resumed>) = 3 [pid 645] write(3, "1000", 4 [pid 306] newfstatat(AT_FDCWD, "./33/binderfs" [pid 645] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 645] close(3 [pid 306] unlink("./33/binderfs" [pid 648] close(3 [pid 645] <... close resumed>) = 0 [pid 648] <... close resumed>) = 0 [pid 648] symlink("/dev/binderfs", "./binderfs") = 0 [pid 645] symlink("/dev/binderfs", "./binderfs" [pid 306] <... unlink resumed>) = 0 [pid 648] write(1, "executing program\n", 18) = 18 executing program executing program [pid 648] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 645] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 645] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 645] <... write resumed>) = 18 [pid 306] close(3 [pid 645] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 648] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... close resumed>) = 0 [pid 645] <... socket resumed>) = 3 [pid 306] rmdir("./33" [pid 645] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 648] <... socket resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 648] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 645] <... socket resumed>) = 4 [pid 306] mkdir("./34", 0777 [pid 648] <... connect resumed>) = -1 EEXIST (File exists) [pid 645] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 648] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 648] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 645] <... connect resumed>) = -1 EEXIST (File exists) [pid 644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 648] <... clone3 resumed>) = 650 [pid 645] sendfile(-1, -1, [3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 648] ioctl(3, PPPIOCSMRU, 0 [pid 645] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 648] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 648] exit_group(0 [pid 645] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 648] <... exit_group resumed>) = ? [pid 648] +++ exited with 0 +++ [pid 645] <... clone3 resumed>) = 651 [pid 644] chdir("./34") = 0 [pid 644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 644] setpgid(0, 0) = 0 [pid 645] ioctl(3, PPPIOCSMRU, 0 [pid 644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 645] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 644] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 644] write(3, "1000", 4) = 4 [pid 644] close(3 [pid 308] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 644] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 644] symlink("/dev/binderfs", "./binderfs" [pid 308] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 644] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 652 [pid 644] write(1, "executing program\n", 18 [pid 308] fstat(3 executing program [pid 645] exit_group(0 [pid 644] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 644] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 652 attached [pid 645] <... exit_group resumed>) = ? [pid 644] <... socket resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 644] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 644] <... socket resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 644] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] newfstatat(AT_FDCWD, "./34/binderfs" [pid 644] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 645] +++ exited with 0 +++ [pid 644] sendfile(-1, -1, [3 [pid 308] unlink("./34/binderfs" [pid 644] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... unlink resumed>) = 0 [pid 644] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(3 [pid 652] set_robust_list(0x555593f8a6a0, 24 [pid 644] <... clone3 resumed>) = 653 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 644] ioctl(3, PPPIOCSMRU, 0 [pid 308] close(3 [pid 644] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... close resumed>) = 0 [pid 644] exit_group(0 [pid 308] rmdir("./34" [pid 652] <... set_robust_list resumed>) = 0 [pid 644] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 652] rt_sigprocmask(SIG_SETMASK, [] [pid 644] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./35", 0777 [pid 652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 652] chdir("./34" [pid 309] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 654 attached [pid 654] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 654 [pid 307] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 654] <... set_robust_list resumed>) = 0 [pid 309] fstat(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 654] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 654] chdir("./35" [pid 309] getdents64(3 [pid 654] <... chdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... openat resumed>) = 3 [pid 654] <... prctl resumed>) = 0 [pid 309] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 654] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./35/binderfs" [pid 654] <... setpgid resumed>) = 0 [pid 307] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] unlink("./35/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 654] write(3, "1000", 4) = 4 [pid 309] <... unlink resumed>) = 0 [pid 654] close(3 [pid 307] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./30/binderfs" [pid 309] close(3 [pid 654] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 307] unlink("./30/binderfs" [pid 309] rmdir("./35" [pid 654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 654] write(1, "executing program\n", 18 [pid 309] mkdir("./36", 0777 [pid 307] getdents64(3 [pid 654] <... write resumed>) = 18 executing program [pid 654] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 652] <... chdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 654] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(3 [pid 654] <... socket resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 654] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./30" [pid 654] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 654] sendfile(-1, -1, [3 [pid 307] mkdir("./31", 0777ci2-android-6-1/strace-static-x86_64: Process 655 attached [pid 654] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... mkdir resumed>) = 0 [pid 654] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 655 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 652] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 654] <... clone3 resumed>) = 656 [pid 655] set_robust_list(0x555593f8a6a0, 24 [pid 654] ioctl(3, PPPIOCSMRU, 0 [pid 652] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 655] <... set_robust_list resumed>) = 0 [pid 654] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 652] <... setpgid resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 655] rt_sigprocmask(SIG_SETMASK, [] [pid 654] exit_group(0 [pid 652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 657 attached [pid 655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 654] <... exit_group resumed>) = ? [pid 657] set_robust_list(0x555593f8a6a0, 24 [pid 655] chdir("./36" [pid 652] <... openat resumed>) = 3 [pid 654] +++ exited with 0 +++ [pid 655] <... chdir resumed>) = 0 [pid 652] write(3, "1000", 4 [pid 310] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 657 [pid 657] <... set_robust_list resumed>) = 0 [pid 655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 652] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 657] rt_sigprocmask(SIG_SETMASK, [] [pid 655] <... prctl resumed>) = 0 [pid 652] close(3 [pid 310] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 655] setpgid(0, 0 [pid 652] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 657] chdir("./31" [pid 655] <... setpgid resumed>) = 0 [pid 652] symlink("/dev/binderfs", "./binderfs" [pid 310] fstat(3 [pid 657] <... chdir resumed>) = 0 [pid 655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 652] <... symlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 655] <... openat resumed>) = 3 [pid 652] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 652] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 652] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 655] write(3, "1000", 4 executing program [pid 310] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 657] <... prctl resumed>) = 0 [pid 655] <... write resumed>) = 4 [pid 652] <... socket resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 657] setpgid(0, 0 [pid 655] close(3 [pid 652] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] newfstatat(AT_FDCWD, "./34/binderfs" [pid 657] <... setpgid resumed>) = 0 [pid 655] <... close resumed>) = 0 [pid 652] <... socket resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 655] symlink("/dev/binderfs", "./binderfs" [pid 652] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] unlink("./34/binderfs" [pid 655] <... symlink resumed>) = 0 [pid 652] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 657] <... openat resumed>) = 3 [pid 655] write(1, "executing program\n", 18 [pid 652] sendfile(-1, -1, [3 executing program [pid 310] getdents64(3 [pid 657] write(3, "1000", 4 [pid 655] <... write resumed>) = 18 [pid 652] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 657] <... write resumed>) = 4 [pid 655] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 652] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] close(3 [pid 657] close(3 [pid 655] <... socket resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 657] <... close resumed>) = 0 [pid 655] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... close resumed>) = 0 [pid 308] fstat(3 [pid 657] symlink("/dev/binderfs", "./binderfs" [pid 655] <... socket resumed>) = 4 [pid 652] <... clone3 resumed>) = 658 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 657] <... symlink resumed>) = 0 [pid 655] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 652] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./34" [pid 308] getdents64(3 [pid 657] write(1, "executing program\n", 18 [pid 655] <... connect resumed>) = -1 EEXIST (File exists) [pid 652] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 657] <... write resumed>) = 18 [pid 655] sendfile(-1, -1, [3 [pid 310] <... rmdir resumed>) = 0 executing program [pid 308] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 657] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 655] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 652] exit_group(0 [pid 310] mkdir("./35", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 657] <... socket resumed>) = 3 [pid 655] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 652] <... exit_group resumed>) = ? [pid 308] newfstatat(AT_FDCWD, "./35/binderfs" [pid 657] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 655] <... clone3 resumed>) = 659 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 657] <... socket resumed>) = 4 [pid 655] ioctl(3, PPPIOCSMRU, 0 [pid 308] unlink("./35/binderfs" [pid 657] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 655] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... unlink resumed>) = 0 [pid 657] <... connect resumed>) = -1 EEXIST (File exists) [pid 655] exit_group(0 [pid 308] getdents64(3 [pid 657] sendfile(-1, -1, [3 [pid 655] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 657] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 655] +++ exited with 0 +++ [pid 652] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 657] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 657] <... clone3 resumed>) = 660 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 657] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 657] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 661 attached [pid 657] +++ exited with 0 +++ [pid 308] rmdir("./35" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 661] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 661 [pid 309] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 661] <... set_robust_list resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 661] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./36", 0777 [pid 661] chdir("./35" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 661] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 661] <... prctl resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 661] setpgid(0, 0 [pid 307] fstat(3 [pid 306] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 661] <... setpgid resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] getdents64(3 [pid 661] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 661] write(3, "1000", 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 661] <... write resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 661] close(3 [pid 307] newfstatat(AT_FDCWD, "./31/binderfs" [pid 661] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 661] symlink("/dev/binderfs", "./binderfs" [pid 307] unlink("./31/binderfs" [pid 661] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 661] write(1, "executing program\n", 18 [pid 307] getdents64(3 [pid 661] <... write resumed>) = 18 [pid 309] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 661] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] close(3 [pid 661] <... socket resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 661] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [pid 307] rmdir("./31" [pid 661] <... socket resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 661] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] mkdir("./32", 0777ci2-android-6-1/strace-static-x86_64: Process 662 attached [pid 661] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./36/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 662 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 661] sendfile(-1, -1, [3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 661] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 661] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 663 attached [pid 662] set_robust_list(0x555593f8a6a0, 24 [pid 661] <... clone3 resumed>) = 664 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 661] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 663 [pid 661] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 661] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 661] <... exit_group resumed>) = ? [pid 663] set_robust_list(0x555593f8a6a0, 24 [pid 662] <... set_robust_list resumed>) = 0 [pid 309] unlink("./36/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 663] <... set_robust_list resumed>) = 0 [pid 661] +++ exited with 0 +++ [pid 662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 662] chdir("./36") = 0 [pid 662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... unlink resumed>) = 0 [pid 662] setpgid(0, 0 [pid 306] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 662] <... setpgid resumed>) = 0 [pid 662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 662] write(3, "1000", 4) = 4 [pid 662] close(3) = 0 executing program [pid 662] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 663] rt_sigprocmask(SIG_SETMASK, [] [pid 662] write(1, "executing program\n", 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 662] <... write resumed>) = 18 [pid 662] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 662] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] close(3 [pid 306] newfstatat(AT_FDCWD, "./34/binderfs" [pid 662] <... socket resumed>) = 4 [pid 662] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 662] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 662] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 665 [pid 662] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 662] exit_group(0) = ? [pid 663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 662] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 663] chdir("./32") = 0 [pid 663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 663] setpgid(0, 0) = 0 [pid 663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 663] write(3, "1000", 4) = 4 [pid 663] close(3) = 0 [pid 663] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./36" [pid 663] <... symlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] unlink("./34/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... unlink resumed>) = 0 [pid 663] write(1, "executing program\n", 18) = 18 executing program [pid 663] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 663] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 663] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] mkdir("./37", 0777 [pid 663] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 663] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 663] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 666 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 663] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 663] exit_group(0) = ? [pid 310] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 663] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 310] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./34") = 0 [pid 306] mkdir("./35", 0777) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 667 attached [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 667 ci2-android-6-1/strace-static-x86_64: Process 668 attached [pid 667] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 668 [pid 668] set_robust_list(0x555593f8a6a0, 24 [pid 667] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 668] <... set_robust_list resumed>) = 0 [pid 667] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 668] rt_sigprocmask(SIG_SETMASK, [] [pid 667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 667] chdir("./37" [pid 310] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 668] chdir("./35" [pid 667] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 668] <... chdir resumed>) = 0 [pid 667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 667] <... prctl resumed>) = 0 [pid 307] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./35/binderfs" [pid 667] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 667] <... setpgid resumed>) = 0 [pid 307] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 667] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./32/binderfs" [pid 667] write(3, "1000", 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 667] <... write resumed>) = 4 [pid 307] unlink("./32/binderfs" [pid 667] close(3 [pid 307] <... unlink resumed>) = 0 [pid 667] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 667] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 667] <... symlink resumed>) = 0 [pid 307] close(3 [pid 667] write(1, "executing program\n", 18 [pid 310] unlink("./35/binderfs" [pid 308] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 667] <... write resumed>) = 18 executing program [pid 307] rmdir("./32" [pid 667] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 667] <... socket resumed>) = 3 [pid 310] getdents64(3 [pid 308] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./33", 0777 [pid 668] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 667] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] close(3 [pid 308] fstat(3 [pid 307] <... mkdir resumed>) = 0 [pid 667] <... socket resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 667] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rmdir("./35" [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 667] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 668] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 ci2-android-6-1/strace-static-x86_64: Process 669 attached [pid 667] sendfile(-1, -1, [3 [pid 310] mkdir("./36", 0777 [pid 669] set_robust_list(0x555593f8a6a0, 24 [pid 667] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 669 [pid 669] <... set_robust_list resumed>) = 0 [pid 667] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 669] rt_sigprocmask(SIG_SETMASK, [] [pid 668] <... setpgid resumed>) = 0 [pid 667] <... clone3 resumed>) = 670 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 667] ioctl(3, PPPIOCSMRU, 0 [pid 669] chdir("./33" [pid 667] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 669] <... chdir resumed>) = 0 [pid 667] exit_group(0 [pid 669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 667] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./36/binderfs" [pid 669] <... prctl resumed>) = 0 [pid 668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 667] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 669] setpgid(0, 0) = 0 [pid 669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 669] <... openat resumed>) = 3 [pid 669] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] unlink("./36/binderfs" [pid 669] <... write resumed>) = 4 [pid 669] close(3) = 0 [pid 669] symlink("/dev/binderfs", "./binderfs") = 0 [pid 669] write(1, "executing program\n", 18) = 18 [pid 669] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 669] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 669] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 671 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... unlink resumed>) = 0 [pid 669] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 668] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 669] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] close(3 [pid 668] write(3, "1000", 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 668] <... write resumed>) = 4 [pid 308] rmdir("./36" [pid 669] <... clone3 resumed>) = 672 [pid 668] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 669] ioctl(3, PPPIOCSMRU, 0 [pid 668] <... close resumed>) = 0 [pid 309] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./37", 0777 [pid 669] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 669] exit_group(0) = ? [pid 669] +++ exited with 0 +++ [pid 668] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 671 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 668] <... symlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 668] write(1, "executing program\n", 18) = 18 executing program [pid 668] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 668] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 668] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 668] sendfile(-1, -1, [3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 668] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 668] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 671] set_robust_list(0x555593f8a6a0, 24 [pid 309] fstat(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 671] <... set_robust_list resumed>) = 0 [pid 668] <... clone3 resumed>) = 673 [pid 668] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 668] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 668] <... exit_group resumed>) = ? [pid 668] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 674 attached [pid 674] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 674] rt_sigprocmask(SIG_SETMASK, [] [pid 671] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 674 [pid 309] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./37/binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 307] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 307] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 309] rmdir("./37" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./38", 0777 [pid 307] newfstatat(AT_FDCWD, "./33/binderfs" [pid 674] chdir("./37" [pid 671] chdir("./36" [pid 309] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] unlink("./33/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 674] <... chdir resumed>) = 0 [pid 671] <... chdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 675 attached [pid 674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3 [pid 675] set_robust_list(0x555593f8a6a0, 24 [pid 674] <... prctl resumed>) = 0 [pid 671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 675 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 675] <... set_robust_list resumed>) = 0 [pid 674] setpgid(0, 0 [pid 671] <... prctl resumed>) = 0 [pid 307] rmdir("./33") = 0 [pid 675] rt_sigprocmask(SIG_SETMASK, [] [pid 674] <... setpgid resumed>) = 0 [pid 671] setpgid(0, 0 [pid 307] mkdir("./34", 0777 [pid 306] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 671] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 676 attached [pid 675] chdir("./38" [pid 674] <... openat resumed>) = 3 [pid 671] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 675] <... chdir resumed>) = 0 [pid 674] write(3, "1000", 4 [pid 671] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 676 [pid 306] getdents64(3 [pid 675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 674] <... write resumed>) = 4 [pid 671] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 676] set_robust_list(0x555593f8a6a0, 24 [pid 675] <... prctl resumed>) = 0 [pid 674] close(3 [pid 671] close(3 [pid 306] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 675] setpgid(0, 0 [pid 674] <... close resumed>) = 0 [pid 671] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 675] <... setpgid resumed>) = 0 [pid 674] symlink("/dev/binderfs", "./binderfs" [pid 671] symlink("/dev/binderfs", "./binderfs" [pid 306] newfstatat(AT_FDCWD, "./35/binderfs" [pid 676] <... set_robust_list resumed>) = 0 [pid 675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 674] <... symlink resumed>) = 0 [pid 671] <... symlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 674] write(1, "executing program\n", 18 [pid 671] write(1, "executing program\n", 18 [pid 306] unlink("./35/binderfs" [pid 674] <... write resumed>) = 18 [pid 671] <... write resumed>) = 18 [pid 306] <... unlink resumed>) = 0 executing program executing program [pid 674] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 671] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] getdents64(3 [pid 674] <... socket resumed>) = 3 [pid 671] <... socket resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 674] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 671] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] close(3 [pid 674] <... socket resumed>) = 4 [pid 671] <... socket resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 676] rt_sigprocmask(SIG_SETMASK, [] [pid 675] <... openat resumed>) = 3 [pid 674] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 671] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] rmdir("./35" [pid 676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 674] <... connect resumed>) = -1 EEXIST (File exists) [pid 671] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 675] write(3, "1000", 4 [pid 674] sendfile(-1, -1, [3 [pid 671] sendfile(-1, -1, [3 [pid 306] mkdir("./36", 0777 [pid 676] chdir("./34" [pid 675] <... write resumed>) = 4 [pid 674] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 671] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... mkdir resumed>) = 0 [pid 676] <... chdir resumed>) = 0 [pid 675] close(3 [pid 674] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 671] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 675] <... close resumed>) = 0 [pid 676] <... prctl resumed>) = 0 [pid 675] symlink("/dev/binderfs", "./binderfs" [pid 676] setpgid(0, 0 [pid 675] <... symlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 676] <... setpgid resumed>) = 0 executing program [pid 675] write(1, "executing program\n", 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 675] <... write resumed>) = 18 [pid 676] <... openat resumed>) = 3 [pid 675] socket(AF_PPPOX, SOCK_STREAM, 1ci2-android-6-1/strace-static-x86_64: Process 678 attached [pid 676] write(3, "1000", 4 [pid 675] <... socket resumed>) = 3 [pid 674] <... clone3 resumed>) = 679 [pid 671] <... clone3 resumed>) = 677 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 678 [pid 678] set_robust_list(0x555593f8a6a0, 24 [pid 676] <... write resumed>) = 4 [pid 675] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 674] ioctl(3, PPPIOCSMRU, 0 [pid 671] ioctl(3, PPPIOCSMRU, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 678] <... set_robust_list resumed>) = 0 [pid 676] close(3 [pid 674] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 671] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 678] rt_sigprocmask(SIG_SETMASK, [] [pid 676] <... close resumed>) = 0 [pid 675] <... socket resumed>) = 4 [pid 674] exit_group(0 [pid 671] exit_group(0 [pid 678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 676] symlink("/dev/binderfs", "./binderfs" [pid 675] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 674] <... exit_group resumed>) = ? [pid 671] <... exit_group resumed>) = ? [pid 676] <... symlink resumed>) = 0 [pid 675] <... connect resumed>) = -1 EEXIST (File exists) [pid 674] +++ exited with 0 +++ [pid 676] write(1, "executing program\n", 18 executing program [pid 675] sendfile(-1, -1, [3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 678] chdir("./36" [pid 676] <... write resumed>) = 18 [pid 675] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 671] +++ exited with 0 +++ [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 676] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 675] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 678] <... chdir resumed>) = 0 [pid 676] <... socket resumed>) = 3 [pid 675] <... clone3 resumed>) = 680 [pid 676] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 675] ioctl(3, PPPIOCSMRU, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 676] <... socket resumed>) = 4 [pid 675] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 678] <... prctl resumed>) = 0 [pid 678] setpgid(0, 0 [pid 676] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 675] exit_group(0 [pid 676] <... connect resumed>) = -1 EEXIST (File exists) [pid 675] <... exit_group resumed>) = ? [pid 678] <... setpgid resumed>) = 0 [pid 676] sendfile(-1, -1, [3 [pid 675] +++ exited with 0 +++ [pid 678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 676] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 676] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 678] <... openat resumed>) = 3 [pid 678] write(3, "1000", 4 [pid 676] <... clone3 resumed>) = 681 [pid 678] <... write resumed>) = 4 [pid 676] ioctl(3, PPPIOCSMRU, 0 [pid 678] close(3 [pid 676] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 678] <... close resumed>) = 0 [pid 676] exit_group(0 [pid 678] symlink("/dev/binderfs", "./binderfs" [pid 676] <... exit_group resumed>) = ? [pid 678] <... symlink resumed>) = 0 [pid 678] write(1, "executing program\n", 18 [pid 676] +++ exited with 0 +++ [pid 678] <... write resumed>) = 18 [pid 309] <... restart_syscall resumed>) = 0 executing program [pid 308] <... restart_syscall resumed>) = 0 [pid 678] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 678] <... socket resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 678] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 678] <... socket resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 678] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 678] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 678] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 678] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 678] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] fstat(3 [pid 678] <... clone3 resumed>) = 682 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 678] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 307] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 678] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 678] exit_group(0 [pid 310] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 678] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 309] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 678] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./36/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./38/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./36/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./38/binderfs" [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./37/binderfs" [pid 307] getdents64(3 [pid 310] rmdir("./36" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] mkdir("./37", 0777 [pid 309] <... close resumed>) = 0 [pid 308] unlink("./37/binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 307] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 309] rmdir("./38" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 683 attached [pid 307] newfstatat(AT_FDCWD, "./34/binderfs" [pid 683] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 683 [pid 308] getdents64(3 [pid 683] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 683] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./39", 0777 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] unlink("./34/binderfs" [pid 683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 683] chdir("./37") = 0 [pid 683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 683] setpgid(0, 0) = 0 [pid 683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 683] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 307] <... unlink resumed>) = 0 [pid 683] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 308] rmdir("./37" [pid 683] <... write resumed>) = 4 [pid 683] close(3) = 0 [pid 683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 683] write(1, "executing program\n", 18) = 18 [pid 683] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 684 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./38", 0777 [pid 683] <... socket resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 683] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 683] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./34" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 683] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 683] sendfile(-1, -1, [3 [pid 307] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./35", 0777 [pid 683] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 683] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 686 [pid 683] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 685 [pid 307] <... mkdir resumed>) = 0 [pid 683] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 683] <... exit_group resumed>) = ? [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 683] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 687 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 684 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 684] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 684] <... set_robust_list resumed>) = 0 [pid 684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 684] chdir("./39") = 0 [pid 684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 684] setpgid(0, 0) = 0 [pid 684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 685 attached ci2-android-6-1/strace-static-x86_64: Process 687 attached ) = 3 [pid 684] write(3, "1000", 4) = 4 [pid 684] close(3) = 0 [pid 684] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 684] write(1, "executing program\n", 18) = 18 [pid 684] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 687] set_robust_list(0x555593f8a6a0, 24 [pid 685] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... restart_syscall resumed>) = 0 [pid 685] <... set_robust_list resumed>) = 0 [pid 685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 687] <... set_robust_list resumed>) = 0 [pid 684] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 685] chdir("./38") = 0 [pid 685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 685] setpgid(0, 0) = 0 [pid 685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 687] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 685] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 684] <... socket resumed>) = 4 [pid 685] write(3, "1000", 4 [pid 306] <... openat resumed>) = 3 [pid 685] <... write resumed>) = 4 [pid 306] fstat(3 [pid 685] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 685] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 685] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 685] write(1, "executing program\n", 18 [pid 306] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 685] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 685] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 306] newfstatat(AT_FDCWD, "./36/binderfs" [pid 685] <... socket resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 685] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] unlink("./36/binderfs" [pid 685] <... socket resumed>) = 4 [pid 685] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... unlink resumed>) = 0 [pid 685] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 685] sendfile(-1, -1, [3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 685] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 685] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... close resumed>) = 0 [pid 687] chdir("./35" [pid 684] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] rmdir("./36" [pid 687] <... chdir resumed>) = 0 [pid 685] <... clone3 resumed>) = 688 [pid 684] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 685] ioctl(3, PPPIOCSMRU, 0 [pid 684] sendfile(-1, -1, [3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./37", 0777 [pid 687] <... prctl resumed>) = 0 [pid 685] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 684] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 685] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 685] <... exit_group resumed>) = ? [pid 310] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 687] setpgid(0, 0 [pid 684] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 687] <... setpgid resumed>) = 0 [pid 685] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 308] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 310] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./38/binderfs" [pid 687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] newfstatat(AT_FDCWD, "./37/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 689 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 310] unlink("./37/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(3 [pid 310] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 687] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] rmdir("./38" [pid 687] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 687] <... write resumed>) = 4 [pid 310] close(3 [pid 308] mkdir("./39", 0777 [pid 687] close(3 [pid 310] <... close resumed>) = 0 [pid 684] <... clone3 resumed>) = 690 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 689 attached [pid 687] <... close resumed>) = 0 [pid 684] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./37"ci2-android-6-1/strace-static-x86_64: Process 691 attached [pid 689] set_robust_list(0x555593f8a6a0, 24 [pid 687] symlink("/dev/binderfs", "./binderfs" [pid 684] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rmdir resumed>) = 0 [pid 691] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 691 [pid 691] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 691] rt_sigprocmask(SIG_SETMASK, [] [pid 687] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 684] exit_group(0 [pid 310] mkdir("./38", 0777 [pid 691] chdir("./39" [pid 687] write(1, "executing program\n", 18 [pid 691] <... chdir resumed>) = 0 [pid 691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 691] setpgid(0, 0) = 0 [pid 691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 691] write(3, "1000", 4 [pid 310] <... mkdir resumed>) = 0 [pid 684] <... exit_group resumed>) = ? executing program [pid 687] <... write resumed>) = 18 [pid 691] <... write resumed>) = 4 [pid 691] close(3) = 0 [pid 691] symlink("/dev/binderfs", "./binderfs") = 0 [pid 691] write(1, "executing program\n", 18) = 18 executing program [pid 691] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 689] <... set_robust_list resumed>) = 0 [pid 687] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 684] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 689] rt_sigprocmask(SIG_SETMASK, [] [pid 687] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 687] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 689] chdir("./37" [pid 687] <... socket resumed>) = 4 [pid 689] <... chdir resumed>) = 0 [pid 687] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 692 [pid 689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 689] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 689] setpgid(0, 0) = 0 [pid 689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 689] write(3, "1000", 4) = 4 [pid 689] close(3) = 0 [pid 689] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 689] write(1, "executing program\n", 18) = 18 [pid 689] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 689] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 ci2-android-6-1/strace-static-x86_64: Process 692 attached [pid 689] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 692] set_robust_list(0x555593f8a6a0, 24 [pid 689] <... connect resumed>) = -1 EEXIST (File exists) [pid 692] <... set_robust_list resumed>) = 0 [pid 689] sendfile(-1, -1, [3 [pid 692] rt_sigprocmask(SIG_SETMASK, [] [pid 689] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [ 29.138443][ T640] ------------[ cut here ]------------ [ 29.144010][ T640] WARNING: CPU: 0 PID: 640 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 29.154399][ T640] Modules linked in: [ 29.158424][ T640] CPU: 0 PID: 640 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 29.167852][ T640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 29.178139][ T640] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 689] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 692] chdir("./38" [pid 689] <... clone3 resumed>) = 693 [pid 692] <... chdir resumed>) = 0 [pid 689] ioctl(3, PPPIOCSMRU, 0 [pid 692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 689] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 692] <... prctl resumed>) = 0 [pid 689] exit_group(0 [pid 692] setpgid(0, 0 [pid 689] <... exit_group resumed>) = ? [pid 692] <... setpgid resumed>) = 0 [pid 689] +++ exited with 0 +++ [pid 692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 692] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 692] write(3, "1000", 4) = 4 [pid 692] close(3) = 0 [pid 692] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 692] write(1, "executing program\n", 18) = 18 [pid 692] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 687] <... connect resumed>) = 0 [pid 692] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 692] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 692] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... restart_syscall resumed>) = 0 [pid 692] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 694 [pid 687] sendfile(-1, -1, [3 [pid 692] ioctl(3, PPPIOCSMRU, 0 [pid 687] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 692] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 687] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 692] exit_group(0 [pid 691] <... socket resumed>) = 3 [pid 687] <... clone3 resumed>) = 695 [pid 306] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 692] <... exit_group resumed>) = ? [pid 691] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 687] ioctl(3, PPPIOCSMRU, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 692] +++ exited with 0 +++ [pid 691] <... socket resumed>) = 4 [pid 687] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [ 29.184797][ T640] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 29.205137][ T640] RSP: 0018:ffffc90001497b90 EFLAGS: 00010293 [ 29.211605][ T640] RAX: ffffffff849ca097 RBX: ffff888112c9d000 RCX: ffff888113146540 [ 29.219712][ T640] RDX: 0000000000000000 RSI: 000000001303fa00 RDI: 000000000c04eb7d [ 29.227796][ T640] RBP: ffffc90001497bb0 R08: ffff888112c9d083 R09: 1ffff11022593a10 [pid 306] fstat(3 [pid 691] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 687] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 691] <... connect resumed>) = -1 EEXIST (File exists) [pid 687] <... exit_group resumed>) = ? [pid 309] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 691] sendfile(-1, -1, [3 [pid 687] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 691] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=687, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 691] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 691] <... clone3 resumed>) = 696 [pid 309] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./37/binderfs" [pid 691] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 691] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./37/binderfs" [pid 691] exit_group(0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 691] <... exit_group resumed>) = ? [pid 309] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 691] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./39/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./39/binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rmdir("./37" [pid 310] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./38", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./35/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] unlink("./35/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [ 29.235845][ T640] R10: dffffc0000000000 R11: ffffed1022593a11 R12: dffffc0000000000 [ 29.244090][ T640] R13: dffffc0000000000 R14: 000000001303fa00 R15: ffff888111c0e400 [ 29.252301][ T640] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 29.261533][ T640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.268465][ T640] CR2: 00007f1cc083d270 CR3: 000000000700f000 CR4: 00000000003506b0 [ 29.276595][ T640] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 309] rmdir("./39" [pid 308] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 307] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./38/binderfs" [pid 309] mkdir("./40", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 697 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./38/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./35" [pid 310] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./39/binderfs" [pid 307] mkdir("./36", 0777ci2-android-6-1/strace-static-x86_64: Process 697 attached [pid 310] close(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 698 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 697] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./39/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 697] <... set_robust_list resumed>) = 0 [pid 310] rmdir("./38" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 697] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./39", 0777 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 698 attached [pid 697] chdir("./38" [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 699 [pid 698] set_robust_list(0x555593f8a6a0, 24 [pid 697] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 698] <... set_robust_list resumed>) = 0 [pid 697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./39" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 698] rt_sigprocmask(SIG_SETMASK, [] [pid 697] <... prctl resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 699 attached [pid 698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 697] setpgid(0, 0 [pid 308] mkdir("./40", 0777 [pid 699] set_robust_list(0x555593f8a6a0, 24 [pid 698] chdir("./40" [pid 697] <... setpgid resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 700 [pid 308] <... mkdir resumed>) = 0 [pid 699] <... set_robust_list resumed>) = 0 [pid 698] <... chdir resumed>) = 0 [pid 697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 699] rt_sigprocmask(SIG_SETMASK, [] [pid 698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 697] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 698] <... prctl resumed>) = 0 [pid 697] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 700 attached [pid 699] chdir("./36" [pid 698] setpgid(0, 0 [pid 697] <... write resumed>) = 4 [pid 700] set_robust_list(0x555593f8a6a0, 24 [pid 699] <... chdir resumed>) = 0 [pid 698] <... setpgid resumed>) = 0 [pid 697] close(3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 701 [pid 700] <... set_robust_list resumed>) = 0 [pid 699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 697] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 700] rt_sigprocmask(SIG_SETMASK, [] [pid 699] <... prctl resumed>) = 0 [pid 698] <... openat resumed>) = 3 [pid 697] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 699] setpgid(0, 0 [pid 698] write(3, "1000", 4 [pid 697] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 701 attached [pid 700] chdir("./39" [pid 699] <... setpgid resumed>) = 0 [ 29.284854][ T640] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.293125][ T640] Call Trace: [ 29.296588][ T640] [ 29.299796][ T640] pppol2tp_release+0x150/0x2b0 [ 29.304965][ T640] sock_close+0xc9/0x220 [ 29.309473][ T640] ? __cfi_sock_close+0x10/0x10 [ 29.314486][ T640] __fput+0x1fd/0x8f0 [ 29.318798][ T640] ____fput+0x15/0x20 [ 29.323031][ T640] task_work_run+0x1e1/0x250 [ 29.327822][ T640] ? __cfi_task_work_run+0x10/0x10 [ 29.333025][ T640] ? free_nsproxy+0x21f/0x270 [pid 698] <... write resumed>) = 4 [pid 697] write(1, "executing program\n", 18 [pid 701] set_robust_list(0x555593f8a6a0, 24 [pid 700] <... chdir resumed>) = 0 executing program [pid 699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 698] close(3 [pid 697] <... write resumed>) = 18 [pid 701] <... set_robust_list resumed>) = 0 [pid 700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 699] <... openat resumed>) = 3 [pid 698] <... close resumed>) = 0 [pid 697] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 701] rt_sigprocmask(SIG_SETMASK, [] [pid 700] <... prctl resumed>) = 0 [pid 699] write(3, "1000", 4 [pid 698] symlink("/dev/binderfs", "./binderfs" [pid 697] <... socket resumed>) = 3 [pid 701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 700] setpgid(0, 0 [pid 699] <... write resumed>) = 4 [pid 698] <... symlink resumed>) = 0 [pid 697] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 701] chdir("./40" [pid 700] <... setpgid resumed>) = 0 [pid 699] close(3 [pid 698] write(1, "executing program\n", 18 [pid 697] <... socket resumed>) = 4 executing program [pid 701] <... chdir resumed>) = 0 [pid 700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 699] <... close resumed>) = 0 [pid 698] <... write resumed>) = 18 [pid 697] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 700] <... openat resumed>) = 3 [pid 699] symlink("/dev/binderfs", "./binderfs" [pid 698] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 697] <... connect resumed>) = -1 EEXIST (File exists) [pid 701] <... prctl resumed>) = 0 [pid 700] write(3, "1000", 4 [pid 699] <... symlink resumed>) = 0 [pid 698] <... socket resumed>) = 3 [pid 697] sendfile(-1, -1, [3 [pid 701] setpgid(0, 0 [pid 700] <... write resumed>) = 4 [pid 699] write(1, "executing program\n", 18 [pid 698] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 697] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 701] <... setpgid resumed>) = 0 [pid 700] close(3 [pid 699] <... write resumed>) = 18 [pid 698] <... socket resumed>) = 4 [pid 697] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 700] <... close resumed>) = 0 [pid 699] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 698] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 697] <... clone3 resumed>) = 702 [pid 701] <... openat resumed>) = 3 [pid 700] symlink("/dev/binderfs", "./binderfs" [pid 699] <... socket resumed>) = 3 [pid 698] <... connect resumed>) = -1 EEXIST (File exists) [pid 697] ioctl(3, PPPIOCSMRU, 0 [pid 701] write(3, "1000", 4 [pid 700] <... symlink resumed>) = 0 [pid 699] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 698] sendfile(-1, -1, [3 [pid 697] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 701] <... write resumed>) = 4 executing program [pid 700] write(1, "executing program\n", 18 [pid 699] <... socket resumed>) = 4 [pid 698] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 697] exit_group(0 [pid 701] close(3 [pid 700] <... write resumed>) = 18 [pid 699] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 698] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 697] <... exit_group resumed>) = ? [ 29.337924][ T640] do_exit+0xb0d/0x29f0 [ 29.342213][ T640] ? __cfi_do_exit+0x10/0x10 [ 29.347729][ T640] ? xfd_validate_state+0x70/0x150 [ 29.353007][ T640] ? __kasan_check_write+0x14/0x20 [ 29.358303][ T640] __x64_sys_exit+0x40/0x40 [ 29.363111][ T640] x64_sys_call+0x67/0x9a0 [ 29.367761][ T640] do_syscall_64+0x4c/0xa0 [ 29.372385][ T640] ? clear_bhb_loop+0x30/0x80 [ 29.377282][ T640] ? clear_bhb_loop+0x30/0x80 [ 29.382164][ T640] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [pid 701] <... close resumed>) = 0 [pid 700] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 699] <... connect resumed>) = -1 EEXIST (File exists) [pid 698] <... clone3 resumed>) = 703 [pid 697] +++ exited with 0 +++ [pid 701] symlink("/dev/binderfs", "./binderfs" [pid 700] <... socket resumed>) = 3 [pid 699] sendfile(-1, -1, [3 [pid 698] ioctl(3, PPPIOCSMRU, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 701] <... symlink resumed>) = 0 [pid 700] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 699] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 698] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 701] write(1, "executing program\n", 18 [pid 700] <... socket resumed>) = 4 executing program [pid 699] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 698] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 701] <... write resumed>) = 18 [pid 700] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 699] <... clone3 resumed>) = 704 [pid 698] <... exit_group resumed>) = ? [pid 701] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 700] <... connect resumed>) = -1 ENODEV (No such device) [pid 699] ioctl(3, PPPIOCSMRU, 0 [pid 698] +++ exited with 0 +++ [pid 701] <... socket resumed>) = 3 [pid 700] sendfile(-1, -1, [3 [pid 699] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [ 29.388225][ T640] RIP: 0033:0x7f1cc07fe169 [ 29.392705][ T640] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 29.399755][ T640] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 29.408254][ T640] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 29.416284][ T640] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 29.424377][ T640] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [pid 701] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 700] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 699] exit_group(0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 701] <... socket resumed>) = 4 [pid 700] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 699] <... exit_group resumed>) = ? [pid 309] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 701] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 700] <... clone3 resumed>) = 705 [pid 699] +++ exited with 0 +++ [pid 306] <... openat resumed>) = 3 [pid 701] <... connect resumed>) = -1 ENODEV (No such device) [pid 700] ioctl(3, PPPIOCSMRU, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(3 [pid 701] sendfile(-1, -1, [3 [pid 700] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 701] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 700] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 701] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 700] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 701] <... clone3 resumed>) = 706 [pid 700] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 3 [pid 306] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 701] ioctl(3, PPPIOCSMRU, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 701] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./38/binderfs" [pid 701] exit_group(0 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 701] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./38/binderfs" [pid 309] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 701] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./40/binderfs" [pid 307] fstat(3 [pid 306] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 309] unlink("./40/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] close(3 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./38" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./36/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./39", 0777 [pid 309] <... close resumed>) = 0 [pid 307] unlink("./36/binderfs" [pid 309] rmdir("./40" [pid 306] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./41", 0777 [pid 307] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 707 attached [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 707] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./36" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 707 [pid 707] <... set_robust_list resumed>) = 0 [pid 310] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 707] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./37", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 [pid 707] chdir("./39" [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 708 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 707] <... chdir resumed>) = 0 [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 708 attached ci2-android-6-1/strace-static-x86_64: Process 709 attached [pid 707] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 709] set_robust_list(0x555593f8a6a0, 24 [pid 707] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 709 [pid 709] <... set_robust_list resumed>) = 0 [pid 707] <... setpgid resumed>) = 0 [pid 310] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 709] rt_sigprocmask(SIG_SETMASK, [] [pid 707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 707] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./39/binderfs" [pid 709] chdir("./37" [pid 707] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 709] <... chdir resumed>) = 0 [pid 708] set_robust_list(0x555593f8a6a0, 24 [pid 707] <... write resumed>) = 4 [pid 310] unlink("./39/binderfs" [pid 709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 708] <... set_robust_list resumed>) = 0 [pid 707] close(3 [pid 310] <... unlink resumed>) = 0 [pid 708] rt_sigprocmask(SIG_SETMASK, [] [pid 707] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 707] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 708] chdir("./41" [pid 707] <... symlink resumed>) = 0 [pid 310] close(3 [pid 707] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 707] <... write resumed>) = 18 executing program [pid 310] rmdir("./39" [pid 707] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 708] <... chdir resumed>) = 0 [pid 708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 708] <... prctl resumed>) = 0 [pid 707] <... socket resumed>) = 3 [pid 310] mkdir("./40", 0777 [pid 707] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... restart_syscall resumed>) = 0 [pid 708] setpgid(0, 0) = 0 [pid 708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 708] <... openat resumed>) = 3 [pid 707] <... socket resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 708] write(3, "1000", 4 [pid 707] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 708] <... write resumed>) = 4 [pid 708] close(3 [pid 707] <... connect resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 707] sendfile(-1, -1, [3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 707] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 708] <... close resumed>) = 0 [pid 708] symlink("/dev/binderfs", "./binderfs") = 0 [pid 708] write(1, "executing program\n", 18) = 18 [pid 707] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... openat resumed>) = 3 [pid 708] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 708] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 708] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 708] sendfile(-1, -1, [3 [pid 707] <... clone3 resumed>) = 711 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 710 [pid 308] fstat(3 [pid 708] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 707] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 707] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 708] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 executing program [pid 707] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 710 attached [pid 709] <... prctl resumed>) = 0 [pid 708] <... clone3 resumed>) = 712 [pid 707] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 708] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 708] exit_group(0) = ? [pid 710] set_robust_list(0x555593f8a6a0, 24 [pid 709] setpgid(0, 0 [pid 708] +++ exited with 0 +++ [pid 707] +++ exited with 0 +++ [pid 308] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 710] <... set_robust_list resumed>) = 0 [pid 710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 710] chdir("./40" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 709] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./40/binderfs" [pid 710] <... chdir resumed>) = 0 [pid 709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 709] <... openat resumed>) = 3 [pid 308] unlink("./40/binderfs" [pid 710] setpgid(0, 0) = 0 [pid 710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 709] write(3, "1000", 4 [pid 308] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 710] <... openat resumed>) = 3 [pid 709] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 710] write(3, "1000", 4 [pid 308] close(3 [pid 710] <... write resumed>) = 4 [pid 709] close(3 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 710] close(3 [pid 709] <... close resumed>) = 0 [pid 308] rmdir("./40" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 710] <... close resumed>) = 0 [pid 709] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 709] <... symlink resumed>) = 0 [pid 710] symlink("/dev/binderfs", "./binderfs" executing program [pid 709] write(1, "executing program\n", 18 [pid 308] mkdir("./41", 0777 [pid 306] <... openat resumed>) = 3 [pid 710] <... symlink resumed>) = 0 [pid 709] <... write resumed>) = 18 [pid 309] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 710] write(1, "executing program\n", 18 [pid 709] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 710] <... write resumed>) = 18 [pid 709] <... socket resumed>) = 3 [pid 309] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 709] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 709] <... socket resumed>) = 4 [pid 710] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 710] <... socket resumed>) = 3 [pid 710] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 710] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 713 [pid 709] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 710] sendfile(-1, -1, [3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 709] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./39/binderfs" [pid 709] sendfile(-1, -1, [3 [pid 309] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 709] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 709] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./39/binderfs" [pid 710] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 710] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 715 [pid 709] <... clone3 resumed>) = 714 [pid 710] ioctl(3, PPPIOCSMRU, 0 [pid 309] newfstatat(AT_FDCWD, "./41/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 709] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 309] unlink("./41/binderfs" [pid 709] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 710] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 710] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 306] close(3 [pid 709] exit_group(0 [pid 309] getdents64(3 [pid 709] <... exit_group resumed>) = ? [pid 306] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./39" [pid 309] close(3 [pid 710] <... exit_group resumed>) = ? [pid 710] +++ exited with 0 +++ [pid 709] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./41" [pid 306] mkdir("./40", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 713 attached [pid 309] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 713] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 713] chdir("./41" [pid 309] mkdir("./42", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... mkdir resumed>) = 0 [pid 713] <... chdir resumed>) = 0 [pid 713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 713] setpgid(0, 0) = 0 [pid 713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 713] <... openat resumed>) = 3 [pid 713] write(3, "1000", 4) = 4 [pid 713] close(3) = 0 [pid 713] symlink("/dev/binderfs", "./binderfs") = 0 [pid 713] write(1, "executing program\n", 18) = 18 [pid 713] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 713] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 716 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 717 [pid 713] <... socket resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 310] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 713] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 713] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 713] sendfile(-1, -1, [3 [pid 310] fstat(3 [pid 713] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 713] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 717 attached ci2-android-6-1/strace-static-x86_64: Process 716 attached [pid 713] <... clone3 resumed>) = 718 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 713] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 717] set_robust_list(0x555593f8a6a0, 24 [pid 716] set_robust_list(0x555593f8a6a0, 24 [pid 713] exit_group(0 [pid 310] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 713] <... exit_group resumed>) = ? [pid 717] <... set_robust_list resumed>) = 0 [pid 716] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 717] rt_sigprocmask(SIG_SETMASK, [] [pid 716] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./40/binderfs" [pid 717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 713] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./40/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 716] chdir("./40" [pid 310] <... unlink resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3 [pid 716] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 716] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 716] setpgid(0, 0 [pid 310] rmdir("./40" [pid 716] <... setpgid resumed>) = 0 [pid 716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./41", 0777 [pid 716] <... openat resumed>) = 3 [pid 716] write(3, "1000", 4) = 4 [pid 716] close(3) = 0 [pid 716] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 716] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 716] write(1, "executing program\n", 18) = 18 [pid 716] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 716] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 716] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 719 [pid 716] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 3 [pid 308] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 716] sendfile(-1, -1, [3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3 [pid 308] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 716] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 716] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 executing program [pid 308] fstat(3 [pid 307] getdents64(3 [pid 717] chdir("./42" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 ci2-android-6-1/strace-static-x86_64: Process 719 attached [pid 717] <... chdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 719] set_robust_list(0x555593f8a6a0, 24 [pid 717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 716] <... clone3 resumed>) = 720 [pid 716] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 716] exit_group(0) = ? [pid 716] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 719] <... set_robust_list resumed>) = 0 [pid 717] <... prctl resumed>) = 0 [pid 308] unlink("./41/binderfs" [pid 719] rt_sigprocmask(SIG_SETMASK, [] [pid 717] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./37/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 717] <... setpgid resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 719] chdir("./41" [pid 717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] unlink("./37/binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 719] <... chdir resumed>) = 0 [pid 717] <... openat resumed>) = 3 [pid 308] close(3 [pid 307] <... unlink resumed>) = 0 [pid 717] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 717] <... write resumed>) = 4 [pid 308] rmdir("./41" [pid 719] <... prctl resumed>) = 0 [pid 717] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 719] setpgid(0, 0 [pid 717] <... close resumed>) = 0 [pid 308] mkdir("./42", 0777 [pid 306] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 717] symlink("/dev/binderfs", "./binderfs" [pid 307] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 719] <... setpgid resumed>) = 0 [pid 717] <... symlink resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 717] write(1, "executing program\n", 18 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 717] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./37" [pid 717] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 721 attached [pid 719] <... openat resumed>) = 3 [pid 717] <... socket resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 719] write(3, "1000", 4 [pid 717] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 721 [pid 307] mkdir("./38", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 721] set_robust_list(0x555593f8a6a0, 24 [pid 719] <... write resumed>) = 4 [pid 717] <... socket resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 721] <... set_robust_list resumed>) = 0 [pid 719] close(3 [pid 717] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 721] rt_sigprocmask(SIG_SETMASK, [] [pid 719] <... close resumed>) = 0 [pid 717] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 719] symlink("/dev/binderfs", "./binderfs" [pid 717] sendfile(-1, -1, [3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 717] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 717] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 721] chdir("./42") = 0 [pid 721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 721] setpgid(0, 0) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 722 [pid 306] newfstatat(AT_FDCWD, "./40/binderfs" [pid 721] write(3, "1000", 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 721] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./40/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 721] close(3) = 0 [pid 721] symlink("/dev/binderfs", "./binderfs") = 0 [pid 717] <... clone3 resumed>) = 723 [pid 306] <... unlink resumed>) = 0 [pid 721] write(1, "executing program\n", 18 [pid 717] ioctl(3, PPPIOCSMRU, 0 [pid 306] getdents64(3 [pid 717] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [ 29.432850][ T640] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [ 29.441102][ T640] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 0000000000000022 [ 29.449320][ T640] [ 29.452469][ T640] ---[ end trace 0000000000000000 ]--- [pid 719] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 722 attached [pid 721] <... write resumed>) = 18 [pid 717] exit_group(0 [pid 721] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 719] write(1, "executing program\n", 18 [pid 717] <... exit_group resumed>) = ? [pid 306] close(3 [pid 721] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./40" [pid 721] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 721] sendfile(-1, -1, [3 [pid 306] mkdir("./41", 0777 [pid 721] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 721] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 724 [pid 719] <... write resumed>) = 18 [pid 717] +++ exited with 0 +++ [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 719] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 721] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 721] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 725 attached [pid 722] set_robust_list(0x555593f8a6a0, 24 [pid 719] <... socket resumed>) = 3 [pid 721] +++ exited with 0 +++ [pid 719] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 725 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 719] <... socket resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 725] set_robust_list(0x555593f8a6a0, 24 [pid 719] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 725] <... set_robust_list resumed>) = 0 [pid 725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 725] chdir("./41" [pid 722] <... set_robust_list resumed>) = 0 [pid 719] <... connect resumed>) = -1 EEXIST (File exists) [pid 725] <... chdir resumed>) = 0 [pid 725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 725] setpgid(0, 0) = 0 [pid 722] rt_sigprocmask(SIG_SETMASK, [] [pid 719] sendfile(-1, -1, [3 [pid 725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 719] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 719] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 725] <... openat resumed>) = 3 [pid 725] write(3, "1000", 4) = 4 [pid 725] close(3) = 0 [pid 725] symlink("/dev/binderfs", "./binderfs") = 0 [pid 719] <... clone3 resumed>) = 726 [pid 725] write(1, "executing program\n", 18) = 18 [pid 725] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 725] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 executing program [pid 725] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 719] ioctl(3, PPPIOCSMRU, 0 [pid 725] <... connect resumed>) = -1 EEXIST (File exists) [pid 719] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 725] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 725] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 722] chdir("./38" [pid 719] exit_group(0 [pid 725] <... clone3 resumed>) = 727 [pid 725] ioctl(3, PPPIOCSMRU, 0 [pid 719] <... exit_group resumed>) = ? [pid 725] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 725] exit_group(0) = ? [pid 725] +++ exited with 0 +++ [pid 722] <... chdir resumed>) = 0 [pid 719] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 722] setpgid(0, 0) = 0 [pid 722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 722] write(3, "1000", 4) = 4 [pid 722] close(3) = 0 [pid 722] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 722] write(1, "executing program\n", 18) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 722] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 722] <... socket resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 722] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 722] <... socket resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 722] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 722] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 722] sendfile(-1, -1, [3 [pid 310] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 722] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 722] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 722] <... clone3 resumed>) = 728 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 722] ioctl(3, PPPIOCSMRU, 0 [pid 310] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 722] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] newfstatat(AT_FDCWD, "./42/binderfs" [pid 722] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./41/binderfs" [pid 309] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 722] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./42/binderfs" [pid 306] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./41/binderfs" [pid 309] newfstatat(AT_FDCWD, "./42/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 722] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] unlink("./42/binderfs" [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3 [pid 310] close(3 [pid 309] getdents64(3 [pid 308] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./41" [pid 309] close(3 [pid 308] rmdir("./42" [pid 306] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] mkdir("./42", 0777 [pid 309] rmdir("./42" [pid 308] mkdir("./43", 0777 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./43", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 729 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 729 attached ci2-android-6-1/strace-static-x86_64: Process 730 attached [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./41/binderfs" [pid 729] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 730 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 730] set_robust_list(0x555593f8a6a0, 24 [pid 729] <... set_robust_list resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./41/binderfs" [pid 730] <... set_robust_list resumed>) = 0 [pid 730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 730] chdir("./42") = 0 [pid 730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 730] setpgid(0, 0) = 0 ci2-android-6-1/strace-static-x86_64: Process 731 attached [pid 729] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 731 [pid 306] <... unlink resumed>) = 0 [pid 729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 731] set_robust_list(0x555593f8a6a0, 24 [pid 729] chdir("./43" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 731] <... set_robust_list resumed>) = 0 [pid 730] <... openat resumed>) = 3 [pid 729] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 731] rt_sigprocmask(SIG_SETMASK, [] [pid 729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] close(3 [pid 731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 729] <... prctl resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 731] chdir("./43" [pid 729] setpgid(0, 0 [pid 306] rmdir("./41" [pid 731] <... chdir resumed>) = 0 [pid 729] <... setpgid resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] mkdir("./42", 0777 [pid 731] <... prctl resumed>) = 0 [pid 730] write(3, "1000", 4 [pid 729] <... openat resumed>) = 3 [pid 730] <... write resumed>) = 4 [pid 730] close(3) = 0 [pid 730] symlink("/dev/binderfs", "./binderfs" [pid 731] setpgid(0, 0 [pid 730] <... symlink resumed>) = 0 [pid 729] write(3, "1000", 4 [pid 307] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 731] <... setpgid resumed>) = 0 [pid 729] <... write resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 729] close(3 [pid 307] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 729] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 729] symlink("/dev/binderfs", "./binderfs" [pid 307] fstat(3 [pid 730] write(1, "executing program\n", 18) = 18 [pid 730] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 730] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 730] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 730] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 729] <... symlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 729] write(1, "executing program\n", 18 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 732 [pid 730] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] getdents64(3 [pid 729] <... write resumed>) = 18 executing program executing program [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 732 attached [pid 731] <... openat resumed>) = 3 [pid 729] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 732] set_robust_list(0x555593f8a6a0, 24 [pid 731] write(3, "1000", 4 [pid 730] <... clone3 resumed>) = 733 [pid 729] <... socket resumed>) = 3 [pid 307] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 731] <... write resumed>) = 4 [pid 730] ioctl(3, PPPIOCSMRU, 0 [pid 729] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 731] close(3 [pid 730] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 732] <... set_robust_list resumed>) = 0 [pid 731] <... close resumed>) = 0 [pid 730] exit_group(0 [pid 729] <... socket resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./38/binderfs" [pid 731] symlink("/dev/binderfs", "./binderfs" [pid 730] <... exit_group resumed>) = ? [pid 732] rt_sigprocmask(SIG_SETMASK, [] [pid 731] <... symlink resumed>) = 0 [pid 729] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 732] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 731] write(1, "executing program\n", 18 [pid 730] +++ exited with 0 +++ [pid 729] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./38/binderfs" [pid 732] chdir("./42" [pid 731] <... write resumed>) = 18 [pid 729] sendfile(-1, -1, [3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 732] <... chdir resumed>) = 0 [pid 731] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 729] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 731] <... socket resumed>) = 3 [pid 729] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 732] <... prctl resumed>) = 0 [pid 731] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 732] setpgid(0, 0 [pid 731] <... socket resumed>) = 4 [pid 307] close(3 [pid 732] <... setpgid resumed>) = 0 [pid 731] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 729] <... clone3 resumed>) = 734 [pid 307] <... close resumed>) = 0 [pid 732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 731] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./38" [pid 732] <... openat resumed>) = 3 [pid 731] sendfile(-1, -1, [3 [pid 729] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... rmdir resumed>) = 0 [pid 732] write(3, "1000", 4 [pid 731] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 729] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] mkdir("./39", 0777 [pid 732] <... write resumed>) = 4 [pid 731] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 729] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 732] close(3 [pid 731] <... clone3 resumed>) = 735 [pid 729] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 732] <... close resumed>) = 0 [pid 731] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 732] symlink("/dev/binderfs", "./binderfs" [pid 731] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 732] <... symlink resumed>) = 0 [pid 731] exit_group(0 [pid 729] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 736 attached [pid 732] write(1, "executing program\n", 18 [pid 731] <... exit_group resumed>) = ? executing program [pid 310] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 736] set_robust_list(0x555593f8a6a0, 24 [pid 732] <... write resumed>) = 18 [pid 731] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 736 [pid 736] <... set_robust_list resumed>) = 0 [pid 732] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] fstat(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 736] rt_sigprocmask(SIG_SETMASK, [] [pid 732] <... socket resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 732] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] getdents64(3 [pid 736] chdir("./39" [pid 732] <... socket resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 736] <... chdir resumed>) = 0 [pid 732] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 732] <... connect resumed>) = -1 EEXIST (File exists) [pid 732] sendfile(-1, -1, [3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 732] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./42/binderfs" [pid 732] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 736] setpgid(0, 0) = 0 [pid 736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 736] write(3, "1000", 4) = 4 [pid 732] <... clone3 resumed>) = 737 [pid 310] unlink("./42/binderfs" [pid 736] close(3 [pid 732] ioctl(3, PPPIOCSMRU, 0 [pid 736] <... close resumed>) = 0 [pid 736] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 732] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] getdents64(3 [pid 736] <... symlink resumed>) = 0 [pid 732] exit_group(0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 732] <... exit_group resumed>) = ? [pid 310] close(3 [pid 736] write(1, "executing program\n", 18) = 18 [pid 736] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 736] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 736] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 732] +++ exited with 0 +++ [pid 736] <... connect resumed>) = -1 EEXIST (File exists) [pid 736] sendfile(-1, -1, [3 [pid 310] <... close resumed>) = 0 [pid 736] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 736] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 738 [pid 736] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 736] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 736] <... exit_group resumed>) = ? [pid 736] +++ exited with 0 +++ [pid 310] rmdir("./42" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 310] mkdir("./43", 0777 [pid 308] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./43/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 739 [pid 308] rmdir("./43" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./44", 0777ci2-android-6-1/strace-static-x86_64: Process 739 attached [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 739] set_robust_list(0x555593f8a6a0, 24) = 0 ci2-android-6-1/strace-static-x86_64: Process 740 attached [pid 740] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 740 [pid 740] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 740] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 740] chdir("./44" [pid 739] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 740] <... chdir resumed>) = 0 [pid 740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 740] setpgid(0, 0) = 0 [pid 740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 740] <... openat resumed>) = 3 [pid 740] write(3, "1000", 4) = 4 [pid 740] close(3) = 0 [pid 740] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 739] chdir("./43" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 740] write(1, "executing program\n", 18 [pid 309] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 740] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 3 [pid 307] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 740] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 740] <... socket resumed>) = 3 [pid 309] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 740] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] fstat(3 [pid 309] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 740] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] newfstatat(AT_FDCWD, "./43/binderfs" [pid 307] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 740] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] unlink("./43/binderfs" [pid 307] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 740] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 740] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./39/binderfs" [pid 306] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./39/binderfs" [pid 309] rmdir("./43" [pid 306] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 739] <... chdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 740] <... clone3 resumed>) = 741 [pid 739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] mkdir("./44", 0777 [pid 307] getdents64(3 [pid 306] fstat(3 [pid 740] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 740] exit_group(0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 740] <... exit_group resumed>) = ? [pid 739] <... prctl resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 306] getdents64(3 [pid 740] +++ exited with 0 +++ [pid 739] setpgid(0, 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./39" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 739] <... setpgid resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./40", 0777 [pid 306] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 739] write(3, "1000", 4) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 739] close(3) = 0 [pid 739] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 742 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./42/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 739] write(1, "executing program\n", 18) = 18 [pid 739] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 739] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 739] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 306] unlink("./42/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 743 [pid 739] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 739] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... unlink resumed>) = 0 executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 743 attached ci2-android-6-1/strace-static-x86_64: Process 742 attached ) = 0 [pid 743] set_robust_list(0x555593f8a6a0, 24 [pid 742] set_robust_list(0x555593f8a6a0, 24 [pid 739] <... clone3 resumed>) = 744 [pid 306] rmdir("./42" [pid 743] <... set_robust_list resumed>) = 0 [pid 742] <... set_robust_list resumed>) = 0 [pid 739] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 739] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... rmdir resumed>) = 0 [pid 743] rt_sigprocmask(SIG_SETMASK, [] [pid 742] rt_sigprocmask(SIG_SETMASK, [] [pid 739] exit_group(0 [pid 306] mkdir("./43", 0777 [pid 743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 739] <... exit_group resumed>) = ? [pid 308] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 743] chdir("./40" [pid 742] chdir("./44" [pid 739] +++ exited with 0 +++ [pid 306] <... mkdir resumed>) = 0 [pid 743] <... chdir resumed>) = 0 [pid 742] <... chdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 743] <... prctl resumed>) = 0 [pid 742] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./44/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 745 [pid 308] close(3) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./44" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 743] setpgid(0, 0 [pid 742] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./45", 0777ci2-android-6-1/strace-static-x86_64: Process 745 attached [pid 743] <... setpgid resumed>) = 0 [pid 742] <... setpgid resumed>) = 0 [pid 745] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 745] <... set_robust_list resumed>) = 0 [pid 743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 746 attached [pid 745] rt_sigprocmask(SIG_SETMASK, [] [pid 746] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 746 [pid 746] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 746] rt_sigprocmask(SIG_SETMASK, [] [pid 743] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 743] write(3, "1000", 4 [pid 746] chdir("./45" [pid 743] <... write resumed>) = 4 [pid 743] close(3 [pid 746] <... chdir resumed>) = 0 [pid 743] <... close resumed>) = 0 [pid 746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 743] symlink("/dev/binderfs", "./binderfs" [pid 746] <... prctl resumed>) = 0 [pid 746] setpgid(0, 0) = 0 [pid 746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 743] <... symlink resumed>) = 0 [pid 742] <... openat resumed>) = 3 [pid 743] write(1, "executing program\n", 18 [pid 746] write(3, "1000", 4) = 4 executing program [pid 746] close(3) = 0 [pid 743] <... write resumed>) = 18 [pid 742] write(3, "1000", 4 [pid 746] symlink("/dev/binderfs", "./binderfs" [pid 745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 743] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 742] <... write resumed>) = 4 [pid 746] <... symlink resumed>) = 0 [pid 743] <... socket resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 743] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 742] close(3 [pid 746] write(1, "executing program\n", 18 [pid 743] <... socket resumed>) = 4 [pid 746] <... write resumed>) = 18 [pid 743] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 742] <... close resumed>) = 0 [pid 310] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 743] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 742] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 743] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 746] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 743] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 746] <... socket resumed>) = 3 [pid 743] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] fstat(3 [pid 742] <... symlink resumed>) = 0 [pid 746] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 746] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 746] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 746] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 745] chdir("./43" [pid 743] <... clone3 resumed>) = 747 [pid 742] write(1, "executing program\n", 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 746] <... clone3 resumed>) = 748 [pid 745] <... chdir resumed>) = 0 [pid 743] ioctl(3, PPPIOCSMRU, 0 [pid 742] <... write resumed>) = 18 executing program [pid 310] getdents64(3 [pid 746] ioctl(3, PPPIOCSMRU, 0 [pid 745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 743] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 742] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 746] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 745] <... prctl resumed>) = 0 [pid 743] exit_group(0 [pid 742] <... socket resumed>) = 3 [pid 310] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 745] setpgid(0, 0 [pid 743] <... exit_group resumed>) = ? [pid 742] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 746] exit_group(0 [pid 745] <... setpgid resumed>) = 0 [pid 743] +++ exited with 0 +++ [pid 746] <... exit_group resumed>) = ? [pid 745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 742] <... socket resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./43/binderfs" [pid 745] <... openat resumed>) = 3 [pid 742] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 746] +++ exited with 0 +++ [pid 745] write(3, "1000", 4 [pid 742] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./43/binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 745] <... write resumed>) = 4 [pid 742] sendfile(-1, -1, [3 [pid 310] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 745] close(3 [pid 742] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 745] <... close resumed>) = 0 [pid 742] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 745] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 745] <... symlink resumed>) = 0 [pid 742] <... clone3 resumed>) = 749 [pid 310] <... close resumed>) = 0 [pid 745] write(1, "executing program\n", 18 [pid 742] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./43" [pid 745] <... write resumed>) = 18 [pid 742] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 745] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 742] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 745] <... socket resumed>) = 3 [pid 742] <... exit_group resumed>) = ? [pid 745] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] mkdir("./44", 0777 [pid 745] <... socket resumed>) = 4 [pid 742] +++ exited with 0 +++ [pid 745] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 745] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 745] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 745] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 745] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 750 attached ) = 751 [pid 309] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 745] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 750 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 745] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 745] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 745] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 750] set_robust_list(0x555593f8a6a0, 24 [pid 745] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 309] getdents64(3 [pid 308] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./44/binderfs" [pid 308] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./40/binderfs" [pid 309] unlink("./44/binderfs" [pid 308] newfstatat(AT_FDCWD, "./45/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./40/binderfs" [pid 750] <... set_robust_list resumed>) = 0 [pid 309] getdents64(3 [pid 308] unlink("./45/binderfs" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] close(3 [pid 307] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./44" [pid 308] getdents64(3 [pid 307] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 309] mkdir("./45", 0777 [pid 308] close(3 [pid 307] rmdir("./40" [pid 750] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rmdir("./45" [pid 307] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./41", 0777 [pid 750] chdir("./44" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] mkdir("./46", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 752 attached [pid 750] <... chdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 752] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 752 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 752] <... set_robust_list resumed>) = 0 [pid 750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 750] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 752] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 753 ci2-android-6-1/strace-static-x86_64: Process 753 attached [pid 752] chdir("./45" [pid 750] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 752] <... chdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 752] setpgid(0, 0) = 0 [pid 752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall resumed>) = 0 [pid 752] <... openat resumed>) = 3 [pid 752] write(3, "1000", 4 [pid 750] <... setpgid resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 754 [pid 753] set_robust_list(0x555593f8a6a0, 24 [pid 752] <... write resumed>) = 4 [pid 306] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 752] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 752] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 752] symlink("/dev/binderfs", "./binderfs" [pid 306] <... openat resumed>) = 3 [pid 752] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 752] write(1, "executing program\n", 18 [pid 750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 752] <... write resumed>) = 18 executing program [pid 306] getdents64(3 [pid 752] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 752] <... socket resumed>) = 3 [pid 306] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 752] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 750] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 752] <... socket resumed>) = 4 [pid 750] write(3, "1000", 4 [pid 753] <... set_robust_list resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./43/binderfs" [pid 752] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 754 attached [pid 753] rt_sigprocmask(SIG_SETMASK, [] [pid 750] <... write resumed>) = 4 [pid 752] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] unlink("./43/binderfs" [pid 753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 752] sendfile(-1, -1, [3 [pid 750] close(3 [pid 754] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... unlink resumed>) = 0 [pid 752] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] getdents64(3 [pid 752] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 754] <... set_robust_list resumed>) = 0 [pid 753] chdir("./41" [pid 750] <... close resumed>) = 0 [pid 306] close(3 [pid 754] rt_sigprocmask(SIG_SETMASK, [] [pid 753] <... chdir resumed>) = 0 [pid 752] <... clone3 resumed>) = 755 [pid 750] symlink("/dev/binderfs", "./binderfs" [pid 306] <... close resumed>) = 0 [pid 753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 752] ioctl(3, PPPIOCSMRU, 0 [pid 306] rmdir("./43" [pid 752] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... rmdir resumed>) = 0 [pid 754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 753] <... prctl resumed>) = 0 [pid 752] exit_group(0 [pid 750] <... symlink resumed>) = 0 [pid 306] mkdir("./44", 0777 [pid 753] setpgid(0, 0 [pid 752] <... exit_group resumed>) = ? executing program [pid 750] write(1, "executing program\n", 18 [pid 306] <... mkdir resumed>) = 0 [pid 754] chdir("./46" [pid 753] <... setpgid resumed>) = 0 [pid 752] +++ exited with 0 +++ [pid 750] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 750] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 754] <... chdir resumed>) = 0 [pid 753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 750] <... socket resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 756 attached [pid 750] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 756] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 756 [pid 750] <... socket resumed>) = 4 [pid 756] <... set_robust_list resumed>) = 0 [pid 753] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 756] rt_sigprocmask(SIG_SETMASK, [] [pid 753] write(3, "1000", 4 [pid 750] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 750] <... connect resumed>) = -1 EEXIST (File exists) [pid 756] chdir("./44" [pid 753] <... write resumed>) = 4 [pid 750] sendfile(-1, -1, [3 [pid 756] <... chdir resumed>) = 0 [pid 753] close(3 [pid 750] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 750] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 753] <... close resumed>) = 0 [pid 756] <... prctl resumed>) = 0 [pid 756] setpgid(0, 0) = 0 [pid 756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 756] write(3, "1000", 4) = 4 [pid 756] close(3) = 0 [pid 756] symlink("/dev/binderfs", "./binderfs") = 0 [pid 753] symlink("/dev/binderfs", "./binderfs" [pid 750] <... clone3 resumed>) = 757 [pid 756] write(1, "executing program\n", 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 756] <... write resumed>) = 18 [pid 750] ioctl(3, PPPIOCSMRU, 0 [pid 756] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 750] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 756] <... socket resumed>) = 3 executing program [pid 309] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 756] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 753] <... symlink resumed>) = 0 [pid 750] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 756] <... socket resumed>) = 4 [pid 754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 753] write(1, "executing program\n", 18 [pid 750] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 756] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... openat resumed>) = 3 [pid 756] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 756] sendfile(-1, -1, [3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 756] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 309] getdents64(3 [pid 756] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 753] <... write resumed>) = 18 [pid 750] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 754] <... prctl resumed>) = 0 [pid 753] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 756] <... clone3 resumed>) = 758 [pid 754] setpgid(0, 0 [pid 753] <... socket resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 756] ioctl(3, PPPIOCSMRU, 0 [pid 753] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] newfstatat(AT_FDCWD, "./45/binderfs" [pid 756] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 756] exit_group(0 [pid 309] unlink("./45/binderfs" [pid 756] <... exit_group resumed>) = ? [pid 309] <... unlink resumed>) = 0 [pid 756] +++ exited with 0 +++ [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./45") = 0 [pid 309] mkdir("./46", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 759 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 753] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 759 attached [pid 759] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 759] chdir("./46") = 0 [pid 759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 753] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 754] <... setpgid resumed>) = 0 [pid 753] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 759] <... prctl resumed>) = 0 [pid 759] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 753] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 759] <... setpgid resumed>) = 0 [pid 753] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 753] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 754] <... openat resumed>) = 3 [pid 759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 754] write(3, "1000", 4 [pid 753] <... clone3 resumed>) = 760 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./44/binderfs") = 0 [pid 754] <... write resumed>) = 4 [pid 753] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./44" [pid 754] close(3 [pid 753] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./45", 0777 [pid 754] <... close resumed>) = 0 [pid 753] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 759] <... openat resumed>) = 3 [pid 754] symlink("/dev/binderfs", "./binderfs" [pid 753] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 761 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 754] <... symlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 761 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 753] +++ exited with 0 +++ [pid 306] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 754] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 306] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 754] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 754] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] unlink("./44/binderfs") = 0 [pid 306] getdents64(3 [pid 754] <... socket resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./44" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./45", 0777 [pid 761] set_robust_list(0x555593f8a6a0, 24 [pid 759] write(3, "1000", 4 [pid 754] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 761] <... set_robust_list resumed>) = 0 [pid 307] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 754] <... socket resumed>) = 4 [pid 307] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 754] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 761] rt_sigprocmask(SIG_SETMASK, [] [pid 759] <... write resumed>) = 4 [pid 754] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 762 attached [pid 754] sendfile(-1, -1, [3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 754] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 762 [pid 754] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 762] set_robust_list(0x555593f8a6a0, 24 [pid 759] close(3 [pid 307] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 762] <... set_robust_list resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 762] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./41/binderfs" [pid 762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 762] chdir("./45" [pid 307] unlink("./41/binderfs" [pid 762] <... chdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 754] <... clone3 resumed>) = 763 [pid 307] getdents64(3 [pid 762] <... prctl resumed>) = 0 [pid 754] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 762] setpgid(0, 0 [pid 754] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] close(3 [pid 762] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 754] exit_group(0 [pid 307] rmdir("./41" [pid 762] <... openat resumed>) = 3 [pid 754] <... exit_group resumed>) = ? [pid 307] <... rmdir resumed>) = 0 [pid 762] write(3, "1000", 4 [pid 307] mkdir("./42", 0777 [pid 762] <... write resumed>) = 4 [pid 754] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 762] close(3 [pid 761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 759] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 762] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 762] symlink("/dev/binderfs", "./binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 762] <... symlink resumed>) = 0 [pid 761] chdir("./45" [pid 759] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 764 attached [pid 762] write(1, "executing program\n", 18 [pid 764] set_robust_list(0x555593f8a6a0, 24 [pid 762] <... write resumed>) = 18 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 764 executing program [pid 764] <... set_robust_list resumed>) = 0 [pid 762] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 764] rt_sigprocmask(SIG_SETMASK, [] [pid 762] <... socket resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 762] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 764] chdir("./42" [pid 762] <... socket resumed>) = 4 [pid 761] <... chdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 764] <... chdir resumed>) = 0 [pid 762] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 762] <... connect resumed>) = 0 [pid 761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 759] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 764] <... prctl resumed>) = 0 [pid 762] sendfile(-1, -1, [3 [pid 308] fstat(3 [pid 764] setpgid(0, 0 [pid 762] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 761] <... prctl resumed>) = 0 [pid 759] write(1, "executing program\n", 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 764] <... setpgid resumed>) = 0 [pid 762] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 761] setpgid(0, 0 [pid 759] <... write resumed>) = 18 executing program [pid 308] getdents64(3 [pid 761] <... setpgid resumed>) = 0 [pid 759] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 762] <... clone3 resumed>) = 765 [pid 761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 764] <... openat resumed>) = 3 [pid 762] ioctl(3, PPPIOCSMRU, 0 [pid 759] <... socket resumed>) = 3 [pid 764] write(3, "1000", 4 [pid 762] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 761] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 764] <... write resumed>) = 4 [pid 762] exit_group(0 [pid 761] write(3, "1000", 4 [pid 759] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] newfstatat(AT_FDCWD, "./46/binderfs" [pid 764] close(3 [pid 762] <... exit_group resumed>) = ? [pid 764] <... close resumed>) = 0 [pid 762] +++ exited with 0 +++ [pid 761] <... write resumed>) = 4 [pid 759] <... socket resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 764] symlink("/dev/binderfs", "./binderfs" [pid 308] unlink("./46/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 761] close(3 [pid 764] <... symlink resumed>) = 0 [pid 759] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 764] write(1, "executing program\n", 18) = 18 [pid 308] <... unlink resumed>) = 0 executing program [pid 764] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 761] <... close resumed>) = 0 [pid 759] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 764] <... socket resumed>) = 3 [pid 764] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 761] symlink("/dev/binderfs", "./binderfs" [pid 759] sendfile(-1, -1, [3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 764] <... socket resumed>) = 4 [pid 308] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 764] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... close resumed>) = 0 [pid 764] <... connect resumed>) = -1 EEXIST (File exists) [pid 761] <... symlink resumed>) = 0 [pid 759] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rmdir("./46" [pid 764] sendfile(-1, -1, [3 [pid 306] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 764] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 761] write(1, "executing program\n", 18 [pid 759] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 764] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] mkdir("./47", 0777 [pid 306] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 764] <... clone3 resumed>) = 766 [pid 306] <... openat resumed>) = 3 [pid 764] ioctl(3, PPPIOCSMRU, 0 [pid 306] fstat(3 [pid 764] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 764] exit_group(0 [pid 761] <... write resumed>) = 18 [pid 759] <... clone3 resumed>) = 767 [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 764] <... exit_group resumed>) = ? [pid 761] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 764] +++ exited with 0 +++ [pid 759] ioctl(3, PPPIOCSMRU, 0 [pid 306] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./45/binderfs") = 0 [pid 306] getdents64(3 [pid 761] <... socket resumed>) = 3 [pid 759] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./45") = 0 [pid 306] mkdir("./46", 0777 [pid 761] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 759] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 768 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 769 attached [pid 761] <... socket resumed>) = 4 [pid 759] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 769 [pid 769] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 759] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 761] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 768 attached [pid 769] rt_sigprocmask(SIG_SETMASK, [] [pid 761] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./42/binderfs" [pid 769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 768] set_robust_list(0x555593f8a6a0, 24 [pid 761] sendfile(-1, -1, [3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./42/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./42" [pid 761] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./43", 0777 [pid 769] chdir("./47" [pid 768] <... set_robust_list resumed>) = 0 [pid 761] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 770 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 761] <... clone3 resumed>) = 771 [pid 761] ioctl(3, PPPIOCSMRU, 0 [pid 769] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 770 attached [pid 770] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 770] chdir("./43") = 0 [pid 770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 770] setpgid(0, 0) = 0 [pid 770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 761] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 770] <... openat resumed>) = 3 [pid 770] write(3, "1000", 4 [pid 761] exit_group(0) = ? [pid 770] <... write resumed>) = 4 [pid 770] close(3) = 0 [pid 770] symlink("/dev/binderfs", "./binderfs") = 0 [pid 770] write(1, "executing program\n", 18) = 18 [pid 761] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 770] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 770] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 769] <... prctl resumed>) = 0 [pid 769] setpgid(0, 0) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./46/binderfs" [pid 770] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 768] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./46") = 0 [pid 309] mkdir("./47", 0777 [pid 770] <... connect resumed>) = -1 EEXIST (File exists) [pid 769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 768] chdir("./46" [pid 770] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 770] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 768] <... chdir resumed>) = 0 [pid 768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 772 [pid 768] <... prctl resumed>) = 0 [pid 768] setpgid(0, 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 768] <... setpgid resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 772 attached [pid 772] set_robust_list(0x555593f8a6a0, 24 [pid 769] <... openat resumed>) = 3 [pid 768] <... openat resumed>) = 3 [pid 772] <... set_robust_list resumed>) = 0 [pid 768] write(3, "1000", 4) = 4 [pid 768] close(3) = 0 [pid 772] rt_sigprocmask(SIG_SETMASK, [] [pid 768] symlink("/dev/binderfs", "./binderfs" [pid 772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 769] write(3, "1000", 4 [pid 768] <... symlink resumed>) = 0 [pid 768] write(1, "executing program\n", 18) = 18 executing program [pid 768] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 772] chdir("./47" [pid 769] <... write resumed>) = 4 [pid 768] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 769] close(3 [pid 768] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 772] <... chdir resumed>) = 0 [pid 768] <... connect resumed>) = -1 EEXIST (File exists) [pid 768] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 768] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 770] <... clone3 resumed>) = 773 [pid 769] <... close resumed>) = 0 [pid 772] <... prctl resumed>) = 0 [pid 768] <... clone3 resumed>) = 774 [pid 768] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 772] setpgid(0, 0 [pid 770] ioctl(3, PPPIOCSMRU, 0 [pid 769] symlink("/dev/binderfs", "./binderfs" [pid 768] exit_group(0 [pid 310] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 772] <... setpgid resumed>) = 0 [pid 770] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 769] <... symlink resumed>) = 0 [pid 768] <... exit_group resumed>) = ? [pid 772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 770] exit_group(0 [pid 769] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 772] <... openat resumed>) = 3 [pid 768] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 772] write(3, "1000", 4 [pid 770] <... exit_group resumed>) = ? [pid 769] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 3 executing program [pid 772] <... write resumed>) = 4 [pid 770] +++ exited with 0 +++ [pid 769] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] fstat(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 772] close(3 [pid 769] <... socket resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 772] <... close resumed>) = 0 [pid 769] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 772] symlink("/dev/binderfs", "./binderfs" [pid 769] <... socket resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 772] <... symlink resumed>) = 0 [pid 769] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 772] write(1, "executing program\n", 18 [pid 769] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 772] <... write resumed>) = 18 [pid 769] sendfile(-1, -1, [3 [pid 310] newfstatat(AT_FDCWD, "./45/binderfs" [pid 772] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 769] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 772] <... socket resumed>) = 3 [pid 769] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] unlink("./45/binderfs" [pid 772] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 769] <... clone3 resumed>) = 775 [pid 310] <... unlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 772] <... socket resumed>) = 4 [pid 769] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 772] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 769] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 772] <... connect resumed>) = -1 EEXIST (File exists) [pid 769] exit_group(0 [pid 310] close(3 [pid 306] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 772] sendfile(-1, -1, [3 [pid 769] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 772] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./45" [pid 772] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 769] +++ exited with 0 +++ [pid 306] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./46", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 772] <... clone3 resumed>) = 776 [pid 306] <... openat resumed>) = 3 [pid 772] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3 [pid 772] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 772] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 772] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 772] +++ exited with 0 +++ [pid 306] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./46/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 777 [pid 306] rmdir("./46") = 0 [pid 306] mkdir("./47", 0777ci2-android-6-1/strace-static-x86_64: Process 777 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 777] set_robust_list(0x555593f8a6a0, 24 [pid 308] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 778 attached [pid 777] <... set_robust_list resumed>) = 0 [pid 778] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 778 [pid 778] <... set_robust_list resumed>) = 0 [pid 308] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 778] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 778] chdir("./47" [pid 308] <... openat resumed>) = 3 [pid 778] <... chdir resumed>) = 0 [pid 308] fstat(3 [pid 778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 778] <... prctl resumed>) = 0 [pid 778] setpgid(0, 0 [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 778] <... setpgid resumed>) = 0 [pid 778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 778] <... openat resumed>) = 3 [pid 777] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 778] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 778] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 778] close(3 [pid 308] newfstatat(AT_FDCWD, "./47/binderfs" [pid 307] <... openat resumed>) = 3 [pid 778] <... close resumed>) = 0 [pid 307] fstat(3 [pid 778] symlink("/dev/binderfs", "./binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./47/binderfs" [pid 778] <... symlink resumed>) = 0 [pid 307] getdents64(3 [pid 778] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 778] <... write resumed>) = 18 [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 778] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 778] <... socket resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./43/binderfs" [pid 778] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] close(3 [pid 777] chdir("./46" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 778] <... socket resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 307] unlink("./43/binderfs" [pid 778] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 777] <... chdir resumed>) = 0 [pid 308] rmdir("./47" [pid 307] <... unlink resumed>) = 0 [pid 778] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 778] sendfile(-1, -1, [3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 778] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] mkdir("./48", 0777 [pid 307] close(3 [pid 778] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... close resumed>) = 0 [pid 777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] rmdir("./43" [pid 778] <... clone3 resumed>) = 779 [pid 777] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 [pid 778] ioctl(3, PPPIOCSMRU, 0 [pid 777] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./44", 0777 [pid 778] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 777] <... setpgid resumed>) = 0 [pid 309] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 778] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 778] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 780 attached [pid 778] +++ exited with 0 +++ [pid 777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 780 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 780] set_robust_list(0x555593f8a6a0, 24 [pid 777] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 781 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./47/binderfs"ci2-android-6-1/strace-static-x86_64: Process 781 attached [pid 780] <... set_robust_list resumed>) = 0 [pid 777] write(3, "1000", 4 [pid 309] <... unlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 781] set_robust_list(0x555593f8a6a0, 24 [pid 309] getdents64(3 [pid 781] <... set_robust_list resumed>) = 0 [pid 777] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 781] rt_sigprocmask(SIG_SETMASK, [] [pid 780] rt_sigprocmask(SIG_SETMASK, [] [pid 777] close(3 [pid 309] close(3 [pid 306] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 781] chdir("./44" [pid 780] chdir("./48" [pid 309] rmdir("./47" [pid 306] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 781] <... chdir resumed>) = 0 [pid 780] <... chdir resumed>) = 0 [pid 777] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 777] symlink("/dev/binderfs", "./binderfs" [pid 309] mkdir("./48", 0777 [pid 306] fstat(3 [pid 781] <... prctl resumed>) = 0 [pid 780] <... prctl resumed>) = 0 [pid 777] <... symlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 781] setpgid(0, 0 [pid 780] setpgid(0, 0 [pid 777] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 executing program [pid 781] <... setpgid resumed>) = 0 [pid 780] <... setpgid resumed>) = 0 [pid 777] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 777] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 782 attached [pid 781] <... openat resumed>) = 3 [pid 780] <... openat resumed>) = 3 [pid 777] <... socket resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 782] set_robust_list(0x555593f8a6a0, 24 [pid 781] write(3, "1000", 4 [pid 780] write(3, "1000", 4 [pid 777] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 782 [pid 306] newfstatat(AT_FDCWD, "./47/binderfs" [pid 782] <... set_robust_list resumed>) = 0 [pid 781] <... write resumed>) = 4 [pid 780] <... write resumed>) = 4 [pid 777] <... socket resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 782] rt_sigprocmask(SIG_SETMASK, [] [pid 781] close(3 [pid 780] close(3 [pid 777] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./47/binderfs" [pid 782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 781] <... close resumed>) = 0 [pid 780] <... close resumed>) = 0 [pid 777] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 782] chdir("./48" [pid 781] symlink("/dev/binderfs", "./binderfs" [pid 780] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 782] <... chdir resumed>) = 0 [pid 781] <... symlink resumed>) = 0 [pid 780] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 781] write(1, "executing program\n", 18 [pid 780] write(1, "executing program\n", 18 [pid 777] sendfile(-1, -1, [3 [pid 306] close(3 [pid 782] <... prctl resumed>) = 0 [pid 781] <... write resumed>) = 18 [pid 780] <... write resumed>) = 18 [pid 777] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = 0 executing program executing program [pid 782] setpgid(0, 0 [pid 781] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 780] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 777] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] rmdir("./47" [pid 782] <... setpgid resumed>) = 0 [pid 781] <... socket resumed>) = 3 [pid 780] <... socket resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 781] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 780] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] mkdir("./48", 0777 [pid 782] <... openat resumed>) = 3 [pid 781] <... socket resumed>) = 4 [pid 780] <... socket resumed>) = 4 [pid 777] <... clone3 resumed>) = 783 [pid 306] <... mkdir resumed>) = 0 [pid 782] write(3, "1000", 4 [pid 781] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 780] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 782] <... write resumed>) = 4 [pid 781] <... connect resumed>) = -1 EEXIST (File exists) [pid 780] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 782] close(3 [pid 781] sendfile(-1, -1, [3 [pid 780] sendfile(-1, -1, [3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 782] <... close resumed>) = 0 [pid 781] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 780] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 777] ioctl(3, PPPIOCSMRU, 0ci2-android-6-1/strace-static-x86_64: Process 784 attached [pid 782] symlink("/dev/binderfs", "./binderfs" [pid 781] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 780] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 777] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 784] set_robust_list(0x555593f8a6a0, 24 [pid 782] <... symlink resumed>) = 0 [pid 781] <... clone3 resumed>) = 785 [pid 777] exit_group(0 [pid 784] <... set_robust_list resumed>) = 0 [pid 782] write(1, "executing program\n", 18 [pid 781] ioctl(3, PPPIOCSMRU, 0 [pid 780] <... clone3 resumed>) = 786 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 784 [pid 784] rt_sigprocmask(SIG_SETMASK, [] [pid 782] <... write resumed>) = 18 executing program [pid 781] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 780] ioctl(3, PPPIOCSMRU, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 782] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 781] exit_group(0 [pid 780] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 777] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 784] chdir("./48" [pid 782] <... socket resumed>) = 3 [pid 781] <... exit_group resumed>) = ? [pid 780] exit_group(0 [pid 784] <... chdir resumed>) = 0 [pid 782] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 781] +++ exited with 0 +++ [pid 780] <... exit_group resumed>) = ? [pid 777] +++ exited with 0 +++ [pid 784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 782] <... socket resumed>) = 4 [pid 784] <... prctl resumed>) = 0 [pid 782] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 780] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 784] setpgid(0, 0 [pid 782] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 784] <... setpgid resumed>) = 0 [pid 782] sendfile(-1, -1, [3 [pid 784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 782] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 784] <... openat resumed>) = 3 [pid 782] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 784] write(3, "1000", 4) = 4 [pid 782] <... clone3 resumed>) = 787 [pid 784] close(3 [pid 782] ioctl(3, PPPIOCSMRU, 0 [pid 784] <... close resumed>) = 0 [pid 782] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 784] symlink("/dev/binderfs", "./binderfs" [pid 782] exit_group(0 [pid 784] <... symlink resumed>) = 0 [pid 782] <... exit_group resumed>) = ? [pid 784] write(1, "executing program\n", 18) = 18 [pid 782] +++ exited with 0 +++ executing program [pid 784] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 784] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 784] <... socket resumed>) = 4 [pid 784] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 784] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 784] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 788 [pid 784] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 784] exit_group(0) = ? [pid 784] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 306] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./46/binderfs" [pid 307] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./48/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./46/binderfs" [pid 309] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 306] unlink("./48/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 306] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./44/binderfs" [pid 306] close(3 [pid 310] rmdir("./46" [pid 309] fstat(3 [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] unlink("./44/binderfs" [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./47", 0777 [pid 309] getdents64(3 [pid 308] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 306] rmdir("./48" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./48/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./49", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./48/binderfs" [pid 308] unlink("./48/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] unlink("./48/binderfs" [pid 308] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./44" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 789 attached [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 789 [pid 309] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] mkdir("./45", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 789] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3 [pid 308] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./48" [pid 309] rmdir("./48" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] mkdir("./49", 0777 [pid 789] <... set_robust_list resumed>) = 0 [pid 309] mkdir("./49", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 790 attached [pid 789] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 790 [pid 790] set_robust_list(0x555593f8a6a0, 24 [pid 789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 792 attached ci2-android-6-1/strace-static-x86_64: Process 793 attached ci2-android-6-1/strace-static-x86_64: Process 791 attached [pid 790] <... set_robust_list resumed>) = 0 [pid 789] chdir("./47" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 792 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 791 [pid 793] set_robust_list(0x555593f8a6a0, 24 [pid 789] <... chdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 793 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 793] <... set_robust_list resumed>) = 0 [pid 790] rt_sigprocmask(SIG_SETMASK, [] [pid 789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 793] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 793] chdir("./49" [pid 792] set_robust_list(0x555593f8a6a0, 24 [pid 791] set_robust_list(0x555593f8a6a0, 24 [pid 790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 789] <... prctl resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 793] <... chdir resumed>) = 0 [pid 793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 793] setpgid(0, 0) = 0 [pid 793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 792] <... set_robust_list resumed>) = 0 [pid 791] <... set_robust_list resumed>) = 0 [pid 790] chdir("./49" [pid 789] setpgid(0, 0) = 0 [pid 793] <... openat resumed>) = 3 [pid 790] <... chdir resumed>) = 0 [pid 789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 793] write(3, "1000", 4 [pid 790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 789] <... openat resumed>) = 3 [pid 793] <... write resumed>) = 4 [pid 790] <... prctl resumed>) = 0 [pid 789] write(3, "1000", 4 [pid 793] close(3 [pid 790] setpgid(0, 0 [pid 789] <... write resumed>) = 4 [pid 793] <... close resumed>) = 0 [pid 790] <... setpgid resumed>) = 0 [pid 789] close(3 [pid 793] symlink("/dev/binderfs", "./binderfs" [pid 789] <... close resumed>) = 0 [pid 790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 789] symlink("/dev/binderfs", "./binderfs" [pid 793] <... symlink resumed>) = 0 [pid 789] <... symlink resumed>) = 0 [pid 793] write(1, "executing program\n", 18 [pid 790] <... openat resumed>) = 3 [pid 789] write(1, "executing program\n", 18 [pid 793] <... write resumed>) = 18 [pid 790] write(3, "1000", 4 [pid 789] <... write resumed>) = 18 [pid 793] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 789] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 790] <... write resumed>) = 4 [pid 793] <... socket resumed>) = 3 executing program executing program [pid 791] rt_sigprocmask(SIG_SETMASK, [] [pid 790] close(3 [pid 789] <... socket resumed>) = 3 [pid 790] <... close resumed>) = 0 [pid 791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 790] symlink("/dev/binderfs", "./binderfs" [pid 789] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 793] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 793] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 790] <... symlink resumed>) = 0 [pid 789] <... socket resumed>) = 4 [pid 793] <... connect resumed>) = -1 EEXIST (File exists) [pid 789] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 793] sendfile(-1, -1, [3 [pid 790] write(1, "executing program\n", 18 [pid 791] chdir("./45" [pid 789] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 791] <... chdir resumed>) = 0 [pid 790] <... write resumed>) = 18 [pid 789] sendfile(-1, -1, [3 [pid 791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 790] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 789] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 793] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 793] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 791] <... prctl resumed>) = 0 [pid 790] <... socket resumed>) = 3 [pid 789] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 793] <... clone3 resumed>) = 794 [pid 792] rt_sigprocmask(SIG_SETMASK, [] [pid 791] setpgid(0, 0 [pid 790] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 793] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 789] <... clone3 resumed>) = 795 [pid 793] exit_group(0 [pid 791] <... setpgid resumed>) = 0 [pid 790] <... socket resumed>) = 4 [pid 793] <... exit_group resumed>) = ? [pid 789] ioctl(3, PPPIOCSMRU, 0 [pid 793] +++ exited with 0 +++ [pid 792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 790] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 789] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 790] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 791] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 792] chdir("./49" [pid 791] write(3, "1000", 4 [pid 790] sendfile(-1, -1, [3 [pid 789] exit_group(0 [pid 792] <... chdir resumed>) = 0 [pid 791] <... write resumed>) = 4 [pid 790] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 789] <... exit_group resumed>) = ? [pid 792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 791] close(3 [pid 790] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 792] <... prctl resumed>) = 0 [pid 791] <... close resumed>) = 0 [pid 789] +++ exited with 0 +++ [pid 792] setpgid(0, 0 [pid 791] symlink("/dev/binderfs", "./binderfs" [pid 790] <... clone3 resumed>) = 796 [pid 792] <... setpgid resumed>) = 0 [pid 791] <... symlink resumed>) = 0 [pid 790] ioctl(3, PPPIOCSMRU, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 791] write(1, "executing program\n", 18 executing program [pid 790] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 792] <... openat resumed>) = 3 [pid 791] <... write resumed>) = 18 [pid 790] exit_group(0 [pid 792] write(3, "1000", 4 [pid 791] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 790] <... exit_group resumed>) = ? [pid 792] <... write resumed>) = 4 [pid 791] <... socket resumed>) = 3 [pid 309] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3 [pid 790] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 792] close(3 [pid 791] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 792] <... close resumed>) = 0 [pid 791] <... socket resumed>) = 4 [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 792] symlink("/dev/binderfs", "./binderfs" [pid 791] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 792] <... symlink resumed>) = 0 [pid 791] <... connect resumed>) = -1 EEXIST (File exists) [pid 792] write(1, "executing program\n", 18 [pid 791] sendfile(-1, -1, [3 executing program [pid 309] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 792] <... write resumed>) = 18 [pid 791] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 792] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 791] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 792] <... socket resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./49/binderfs" [pid 791] <... clone3 resumed>) = 797 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./49/binderfs") = 0 [pid 792] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] getdents64(3 [pid 792] <... socket resumed>) = 4 [pid 791] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 792] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 791] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] close(3 [pid 792] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 792] sendfile(-1, -1, [3 [pid 791] exit_group(0 [pid 309] rmdir("./49" [pid 792] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 791] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 792] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] mkdir("./50", 0777 [pid 791] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 792] <... clone3 resumed>) = 798 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 792] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 792] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 792] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 799 attached [pid 792] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 799 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./47/binderfs" [pid 799] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... unlink resumed>) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./47") = 0 [pid 310] mkdir("./48", 0777 [pid 799] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 799] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 800 attached , NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 800] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 800 [pid 800] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 800] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 800] chdir("./48" [pid 799] chdir("./50" [pid 306] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 800] <... chdir resumed>) = 0 [pid 308] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 800] <... prctl resumed>) = 0 [pid 308] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 800] setpgid(0, 0 [pid 308] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 800] <... setpgid resumed>) = 0 [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 800] <... openat resumed>) = 3 [pid 799] <... chdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 800] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] newfstatat(AT_FDCWD, "./49/binderfs" [pid 800] <... write resumed>) = 4 [pid 308] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 800] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./49/binderfs" [pid 800] <... close resumed>) = 0 [pid 799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./49/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 800] symlink("/dev/binderfs", "./binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 800] <... symlink resumed>) = 0 [pid 799] <... prctl resumed>) = 0 [pid 308] unlink("./49/binderfs" [pid 307] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 800] write(1, "executing program\n", 18 [pid 307] fstat(3 [pid 306] close(3 [pid 800] <... write resumed>) = 18 executing program [pid 799] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 800] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 799] <... setpgid resumed>) = 0 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] rmdir("./49" [pid 800] <... socket resumed>) = 3 [pid 799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rmdir resumed>) = 0 [pid 800] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 799] <... openat resumed>) = 3 [pid 308] close(3 [pid 307] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./50", 0777 [pid 800] <... socket resumed>) = 4 [pid 799] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 799] <... write resumed>) = 4 [pid 308] rmdir("./49" [pid 306] <... mkdir resumed>) = 0 [pid 799] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 799] <... close resumed>) = 0 [pid 308] mkdir("./50", 0777 [pid 800] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] newfstatat(AT_FDCWD, "./45/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 800] <... connect resumed>) = -1 EEXIST (File exists) [pid 799] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 800] sendfile(-1, -1, [3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./45/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 800] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 799] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 801 attached [pid 800] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 799] write(1, "executing program\n", 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 executing program [pid 801] set_robust_list(0x555593f8a6a0, 24 [pid 800] <... clone3 resumed>) = 802 [pid 799] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 801 [pid 801] <... set_robust_list resumed>) = 0 [pid 800] ioctl(3, PPPIOCSMRU, 0 [pid 799] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 801] rt_sigprocmask(SIG_SETMASK, [] [pid 800] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 803 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 800] exit_group(0 [pid 799] <... socket resumed>) = 3 [pid 307] rmdir("./45" [pid 801] chdir("./50" [pid 800] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 803 attached [pid 801] <... chdir resumed>) = 0 [pid 800] +++ exited with 0 +++ [pid 799] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] mkdir("./46", 0777 [pid 801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 803] set_robust_list(0x555593f8a6a0, 24 [pid 799] <... socket resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... mkdir resumed>) = 0 [pid 801] <... prctl resumed>) = 0 [pid 799] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 801] setpgid(0, 0 [pid 799] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 801] <... setpgid resumed>) = 0 [pid 799] sendfile(-1, -1, [3 [pid 310] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 799] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 804 attached [pid 803] <... set_robust_list resumed>) = 0 [pid 801] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 804 [pid 801] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 801] <... write resumed>) = 4 [pid 310] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 801] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 801] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 801] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 803] rt_sigprocmask(SIG_SETMASK, [] [pid 801] <... symlink resumed>) = 0 [pid 799] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 801] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 801] <... write resumed>) = 18 executing program [pid 310] newfstatat(AT_FDCWD, "./48/binderfs" [pid 801] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 801] <... socket resumed>) = 3 [pid 310] unlink("./48/binderfs" [pid 801] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... unlink resumed>) = 0 [pid 801] <... socket resumed>) = 4 [pid 310] getdents64(3 [pid 801] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 801] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 801] sendfile(-1, -1, [3 [pid 799] <... clone3 resumed>) = 805 [pid 310] <... close resumed>) = 0 [pid 801] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./48" [pid 801] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rmdir resumed>) = 0 [pid 804] set_robust_list(0x555593f8a6a0, 24 [pid 803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 801] <... clone3 resumed>) = 806 [pid 799] ioctl(3, PPPIOCSMRU, 0 [pid 310] mkdir("./49", 0777 [pid 804] <... set_robust_list resumed>) = 0 [pid 803] chdir("./50" [pid 801] ioctl(3, PPPIOCSMRU, 0 [pid 799] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 801] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... mkdir resumed>) = 0 [pid 801] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 801] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 804] rt_sigprocmask(SIG_SETMASK, [] [pid 803] <... chdir resumed>) = 0 [pid 799] exit_group(0 [pid 804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 801] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 807 attached [pid 804] chdir("./46" [pid 803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 799] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 807 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 807] set_robust_list(0x555593f8a6a0, 24 [pid 804] <... chdir resumed>) = 0 [pid 803] <... prctl resumed>) = 0 [pid 799] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 803] setpgid(0, 0 [pid 306] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./50/binderfs") = 0 [pid 804] <... prctl resumed>) = 0 [pid 803] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./50") = 0 [pid 306] mkdir("./51", 0777 [pid 807] <... set_robust_list resumed>) = 0 [pid 804] setpgid(0, 0 [pid 803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 804] <... setpgid resumed>) = 0 [pid 803] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 808 attached [pid 807] rt_sigprocmask(SIG_SETMASK, [] [pid 804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 803] write(3, "1000", 4 [pid 309] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 808 [pid 804] <... openat resumed>) = 3 [pid 803] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 804] write(3, "1000", 4 [pid 803] close(3 [pid 309] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 804] <... write resumed>) = 4 [pid 803] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 804] close(3 [pid 803] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3 [pid 808] set_robust_list(0x555593f8a6a0, 24 [pid 807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 804] <... close resumed>) = 0 [pid 803] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 804] symlink("/dev/binderfs", "./binderfs" [pid 803] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 808] <... set_robust_list resumed>) = 0 [pid 807] chdir("./49" [pid 804] <... symlink resumed>) = 0 [pid 808] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 803] <... write resumed>) = 18 [pid 804] write(1, "executing program\n", 18 [pid 803] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 804] <... write resumed>) = 18 [pid 808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 803] <... socket resumed>) = 3 [pid 804] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 803] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 804] <... socket resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./50/binderfs" [pid 803] <... socket resumed>) = 4 [pid 804] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 803] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 804] <... socket resumed>) = 4 [pid 309] unlink("./50/binderfs" [pid 803] <... connect resumed>) = -1 EEXIST (File exists) [pid 804] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 executing program [pid 808] chdir("./51" [pid 804] <... connect resumed>) = -1 EEXIST (File exists) [pid 803] sendfile(-1, -1, [3 [pid 309] <... unlink resumed>) = 0 [pid 804] sendfile(-1, -1, [3 [pid 803] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 804] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 804] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 803] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 807] <... chdir resumed>) = 0 [pid 807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 808] <... chdir resumed>) = 0 [pid 807] setpgid(0, 0) = 0 [pid 807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 803] <... clone3 resumed>) = 809 [pid 309] close(3 [pid 808] <... prctl resumed>) = 0 [pid 808] setpgid(0, 0) = 0 [pid 808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 807] <... openat resumed>) = 3 [pid 808] <... openat resumed>) = 3 [pid 804] <... clone3 resumed>) = 810 [pid 807] write(3, "1000", 4) = 4 [pid 808] write(3, "1000", 4) = 4 [pid 807] close(3) = 0 [pid 808] close(3) = 0 [pid 807] symlink("/dev/binderfs", "./binderfs" [pid 808] symlink("/dev/binderfs", "./binderfs" [pid 807] <... symlink resumed>) = 0 [pid 808] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 803] ioctl(3, PPPIOCSMRU, 0 [pid 309] rmdir("./50" [pid 804] ioctl(3, PPPIOCSMRU, 0 [pid 803] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 808] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 808] <... write resumed>) = 18 executing program executing program [pid 807] write(1, "executing program\n", 18 [pid 803] exit_group(0 [pid 804] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] mkdir("./51", 0777 [pid 803] <... exit_group resumed>) = ? [pid 807] <... write resumed>) = 18 [pid 808] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 804] exit_group(0 [pid 808] <... socket resumed>) = 3 [pid 807] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 807] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 808] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 807] <... socket resumed>) = 4 [pid 808] <... socket resumed>) = 4 [pid 808] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 807] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 803] +++ exited with 0 +++ [pid 807] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 804] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 808] <... connect resumed>) = -1 EEXIST (File exists) [pid 807] sendfile(-1, -1, [3 [pid 808] sendfile(-1, -1, [3 [pid 807] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 808] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 807] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 808] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 807] <... clone3 resumed>) = 811 [pid 804] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 812 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 812] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 812 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 812] <... set_robust_list resumed>) = 0 [pid 808] <... clone3 resumed>) = 813 [pid 807] ioctl(3, PPPIOCSMRU, 0 [pid 808] ioctl(3, PPPIOCSMRU, 0 [pid 807] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 808] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 807] exit_group(0 [pid 808] exit_group(0 [pid 807] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 812] rt_sigprocmask(SIG_SETMASK, [] [pid 808] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 808] +++ exited with 0 +++ [pid 807] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 812] chdir("./51" [pid 307] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 308] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 812] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 812] <... prctl resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./51/binderfs" [pid 812] setpgid(0, 0 [pid 307] newfstatat(AT_FDCWD, "./46/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 812] <... setpgid resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./51/binderfs" [pid 812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] unlink("./46/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 812] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 812] write(3, "1000", 4 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 812] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 812] close(3 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 812] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./51" [pid 812] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./46" [pid 306] <... rmdir resumed>) = 0 [pid 812] <... symlink resumed>) = 0 [pid 308] fstat(3 [pid 307] <... rmdir resumed>) = 0 executing program [pid 306] mkdir("./52", 0777 [pid 812] write(1, "executing program\n", 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./47", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 812] <... write resumed>) = 18 [pid 307] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 812] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 812] <... socket resumed>) = 3 [pid 310] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 812] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 814 attached [pid 812] <... socket resumed>) = 4 [pid 310] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 815 attached [pid 814] set_robust_list(0x555593f8a6a0, 24 [pid 812] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./50/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 814 [pid 815] set_robust_list(0x555593f8a6a0, 24 [pid 814] <... set_robust_list resumed>) = 0 [pid 812] <... connect resumed>) = 0 [pid 310] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 815 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 815] <... set_robust_list resumed>) = 0 [pid 814] rt_sigprocmask(SIG_SETMASK, [] [pid 812] sendfile(-1, -1, [3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./50/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 815] rt_sigprocmask(SIG_SETMASK, [] [pid 814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 812] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 814] chdir("./52" [pid 812] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... unlink resumed>) = 0 [pid 815] chdir("./47" [pid 814] <... chdir resumed>) = 0 [pid 812] <... clone3 resumed>) = 816 [pid 310] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 815] <... chdir resumed>) = 0 [pid 814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 812] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 814] <... prctl resumed>) = 0 [pid 812] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 310] newfstatat(AT_FDCWD, "./49/binderfs" [pid 815] <... prctl resumed>) = 0 [pid 814] setpgid(0, 0 [pid 812] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 815] setpgid(0, 0 [pid 814] <... setpgid resumed>) = 0 [pid 812] <... exit_group resumed>) = ? [pid 310] unlink("./49/binderfs" [pid 815] <... setpgid resumed>) = 0 [pid 814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 814] <... openat resumed>) = 3 [pid 812] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 308] close(3 [pid 815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 814] write(3, "1000", 4 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 815] <... openat resumed>) = 3 [pid 814] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 815] write(3, "1000", 4 [pid 814] close(3 [pid 310] close(3 [pid 815] <... write resumed>) = 4 [pid 814] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] rmdir("./50" [pid 815] close(3 [pid 814] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./49" [pid 815] <... close resumed>) = 0 [pid 814] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 815] symlink("/dev/binderfs", "./binderfs" [pid 814] write(1, "executing program\n", 18 executing program [pid 310] mkdir("./50", 0777 [pid 308] mkdir("./51", 0777 [pid 815] <... symlink resumed>) = 0 [pid 814] <... write resumed>) = 18 [pid 310] <... mkdir resumed>) = 0 [pid 815] write(1, "executing program\n", 18 [pid 814] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 815] <... write resumed>) = 18 [pid 814] <... socket resumed>) = 3 executing program [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 815] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 814] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 815] <... socket resumed>) = 3 [pid 814] <... socket resumed>) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 817 attached [pid 815] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 814] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 817] set_robust_list(0x555593f8a6a0, 24 [pid 815] <... socket resumed>) = 4 [pid 814] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 817 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 817] <... set_robust_list resumed>) = 0 [pid 815] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 814] sendfile(-1, -1, [3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 817] rt_sigprocmask(SIG_SETMASK, [] [pid 815] <... connect resumed>) = -1 EEXIST (File exists) [pid 814] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 817] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 815] sendfile(-1, -1, [3 [pid 814] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 817] chdir("./50" [pid 815] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 814] <... clone3 resumed>) = 819 ci2-android-6-1/strace-static-x86_64: Process 818 attached [pid 817] <... chdir resumed>) = 0 [pid 815] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 814] ioctl(3, PPPIOCSMRU, 0 [pid 818] set_robust_list(0x555593f8a6a0, 24 [pid 817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 815] <... clone3 resumed>) = 820 [pid 814] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 818 [pid 817] <... prctl resumed>) = 0 [pid 815] ioctl(3, PPPIOCSMRU, 0 [pid 814] exit_group(0 [pid 817] setpgid(0, 0 [pid 815] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 814] <... exit_group resumed>) = ? [pid 818] <... set_robust_list resumed>) = 0 [pid 817] <... setpgid resumed>) = 0 [pid 815] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 818] rt_sigprocmask(SIG_SETMASK, [] [pid 817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 815] <... exit_group resumed>) = ? [pid 814] +++ exited with 0 +++ [pid 818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 817] <... openat resumed>) = 3 [pid 815] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 817] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 817] <... write resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 817] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 817] <... close resumed>) = 0 [pid 817] symlink("/dev/binderfs", "./binderfs") = 0 [pid 817] write(1, "executing program\n", 18) = 18 executing program [pid 817] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 817] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 817] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 817] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 817] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 818] chdir("./51") = 0 [pid 817] <... clone3 resumed>) = 821 [pid 818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 817] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 817] exit_group(0) = ? [pid 818] <... prctl resumed>) = 0 [pid 817] +++ exited with 0 +++ [pid 309] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 818] setpgid(0, 0 [pid 309] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 818] <... setpgid resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] fstat(3 [pid 818] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 818] write(3, "1000", 4 [pid 309] getdents64(3 [pid 818] <... write resumed>) = 4 [pid 818] close(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 818] <... close resumed>) = 0 [pid 309] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 818] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 818] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./51/binderfs" [pid 818] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 818] <... write resumed>) = 18 executing program [pid 818] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] unlink("./51/binderfs" [pid 818] <... socket resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 818] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] getdents64(3 [pid 818] <... socket resumed>) = 4 [pid 818] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 818] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 818] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 818] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 310] fstat(3 [pid 309] rmdir("./51" [pid 818] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] mkdir("./52", 0777 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... mkdir resumed>) = 0 [pid 310] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./50/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 818] <... clone3 resumed>) = 822 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 823 attached [pid 818] ioctl(3, PPPIOCSMRU, 0 [pid 310] unlink("./50/binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 823] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 823 [pid 823] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 823] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 823] chdir("./52") = 0 [pid 823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 823] setpgid(0, 0) = 0 [pid 823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 818] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 823] write(3, "1000", 4) = 4 [pid 823] close(3) = 0 [pid 823] symlink("/dev/binderfs", "./binderfs") = 0 [pid 818] exit_group(0 [pid 310] getdents64(3 [pid 823] write(1, "executing program\n", 18) = 18 executing program [pid 823] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 818] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 823] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 823] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 823] <... connect resumed>) = -1 EEXIST (File exists) [pid 823] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 823] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 824 [pid 818] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 823] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./50" [pid 307] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 823] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3 [pid 306] fstat(3 [pid 823] exit_group(0 [pid 310] mkdir("./51", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 823] <... exit_group resumed>) = ? [pid 823] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./52/binderfs" [pid 307] newfstatat(AT_FDCWD, "./47/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./52/binderfs" [pid 307] unlink("./47/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 825 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./52" [pid 307] rmdir("./47" [pid 306] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./53", 0777ci2-android-6-1/strace-static-x86_64: Process 825 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./48", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 825] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 825] <... set_robust_list resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 827 attached ci2-android-6-1/strace-static-x86_64: Process 826 attached [pid 825] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 827] set_robust_list(0x555593f8a6a0, 24 [pid 826] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 827 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 826 [pid 827] <... set_robust_list resumed>) = 0 [pid 826] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 827] rt_sigprocmask(SIG_SETMASK, [] [pid 826] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 827] chdir("./48" [pid 826] chdir("./53" [pid 825] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 827] <... chdir resumed>) = 0 [pid 826] <... chdir resumed>) = 0 [pid 827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 827] <... prctl resumed>) = 0 [pid 826] <... prctl resumed>) = 0 [pid 827] setpgid(0, 0 [pid 826] setpgid(0, 0 [pid 827] <... setpgid resumed>) = 0 [pid 826] <... setpgid resumed>) = 0 [pid 309] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 825] chdir("./51" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 827] <... openat resumed>) = 3 [pid 826] <... openat resumed>) = 3 [pid 827] write(3, "1000", 4 [pid 826] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 827] <... write resumed>) = 4 [pid 826] <... write resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 827] close(3 [pid 826] close(3 [pid 309] <... openat resumed>) = 3 [pid 827] <... close resumed>) = 0 [pid 826] <... close resumed>) = 0 [pid 309] fstat(3 [pid 827] symlink("/dev/binderfs", "./binderfs" [pid 826] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 827] <... symlink resumed>) = 0 [pid 826] <... symlink resumed>) = 0 [pid 825] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 827] write(1, "executing program\n", 18 [pid 826] write(1, "executing program\n", 18 [pid 308] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 827] <... write resumed>) = 18 [pid 826] <... write resumed>) = 18 executing program executing program [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 827] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 826] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] fstat(3 [pid 827] <... socket resumed>) = 3 [pid 826] <... socket resumed>) = 3 [pid 825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 827] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 826] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 827] <... socket resumed>) = 4 [pid 826] <... socket resumed>) = 4 [pid 825] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 826] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 825] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./52/binderfs" [pid 826] <... connect resumed>) = -1 EEXIST (File exists) [pid 825] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 827] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 826] sendfile(-1, -1, [3 [pid 825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] unlink("./52/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 827] <... connect resumed>) = -1 EEXIST (File exists) [pid 826] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./51/binderfs" [pid 827] sendfile(-1, -1, [3 [pid 826] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 825] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 825] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 827] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 826] <... clone3 resumed>) = 828 [pid 825] <... write resumed>) = 4 [pid 309] close(3 [pid 308] unlink("./51/binderfs" [pid 827] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 826] ioctl(3, PPPIOCSMRU, 0 [pid 825] close(3 [pid 309] <... close resumed>) = 0 [pid 825] <... close resumed>) = 0 [pid 309] rmdir("./52" [pid 308] <... unlink resumed>) = 0 [pid 825] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 825] <... symlink resumed>) = 0 [pid 309] mkdir("./53", 0777 [pid 827] <... clone3 resumed>) = 829 [pid 826] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] getdents64(3 [pid 827] ioctl(3, PPPIOCSMRU, 0 [pid 826] exit_group(0 [pid 825] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 827] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 826] <... exit_group resumed>) = ? [pid 308] close(3 [pid 827] exit_group(0 [pid 826] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 827] <... exit_group resumed>) = ? [pid 308] rmdir("./51" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 827] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] mkdir("./52", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 830 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 307] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./48/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./53/binderfs" [pid 307] unlink("./48/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./53/binderfs" [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 307] rmdir("./48" [pid 306] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./53" [pid 307] mkdir("./49", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./54", 0777ci2-android-6-1/strace-static-x86_64: Process 830 attached [pid 825] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 830] set_robust_list(0x555593f8a6a0, 24 [pid 825] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 830] <... set_robust_list resumed>) = 0 [pid 825] <... socket resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 830] rt_sigprocmask(SIG_SETMASK, [] [pid 825] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 831 [pid 830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 825] <... socket resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 832 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 833 [pid 830] chdir("./52" [pid 825] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 830] <... chdir resumed>) = 0 [pid 825] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 825] sendfile(-1, -1, [3 [pid 830] <... prctl resumed>) = 0 [pid 825] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 830] setpgid(0, 0 [pid 825] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 830] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 833 attached [pid 833] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 833] rt_sigprocmask(SIG_SETMASK, [] [pid 830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 825] <... clone3 resumed>) = 834 [pid 825] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 830] <... openat resumed>) = 3 [pid 830] write(3, "1000", 4 [pid 825] exit_group(0 [pid 830] <... write resumed>) = 4 [pid 825] <... exit_group resumed>) = ? [pid 830] close(3 [pid 833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 833] chdir("./54" [pid 825] +++ exited with 0 +++ [pid 830] <... close resumed>) = 0 [pid 830] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 830] <... symlink resumed>) = 0 [pid 830] write(1, "executing program\n", 18) = 18 executing program [pid 830] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 830] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 833] <... chdir resumed>) = 0 [pid 833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 833] setpgid(0, 0) = 0 [pid 833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-6-1/strace-static-x86_64: Process 831 attached [pid 831] set_robust_list(0x555593f8a6a0, 24 [pid 830] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 831] <... set_robust_list resumed>) = 0 [pid 830] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 832 attached [pid 830] sendfile(-1, -1, [3 [pid 832] set_robust_list(0x555593f8a6a0, 24 [pid 831] rt_sigprocmask(SIG_SETMASK, [] [pid 830] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 833] write(3, "1000", 4 [pid 832] <... set_robust_list resumed>) = 0 [pid 830] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 833] <... write resumed>) = 4 [pid 831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 833] close(3 [pid 831] chdir("./49" [pid 833] <... close resumed>) = 0 [pid 831] <... chdir resumed>) = 0 [pid 833] symlink("/dev/binderfs", "./binderfs" [pid 831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 833] <... symlink resumed>) = 0 [pid 832] rt_sigprocmask(SIG_SETMASK, [] [pid 831] <... prctl resumed>) = 0 [pid 830] <... clone3 resumed>) = 835 [pid 833] write(1, "executing program\n", 18 [pid 832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 831] setpgid(0, 0 executing program [pid 830] ioctl(3, PPPIOCSMRU, 0 [pid 833] <... write resumed>) = 18 [pid 832] chdir("./53" [pid 831] <... setpgid resumed>) = 0 [pid 830] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 833] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 832] <... chdir resumed>) = 0 [pid 831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 830] exit_group(0 [pid 833] <... socket resumed>) = 3 [pid 832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 831] <... openat resumed>) = 3 [pid 830] <... exit_group resumed>) = ? [pid 833] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 831] write(3, "1000", 4 [pid 833] <... socket resumed>) = 4 [pid 831] <... write resumed>) = 4 [pid 833] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 832] <... prctl resumed>) = 0 [pid 831] close(3 [pid 830] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 833] <... connect resumed>) = -1 EEXIST (File exists) [pid 832] setpgid(0, 0 [pid 831] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 833] sendfile(-1, -1, [3 [pid 832] <... setpgid resumed>) = 0 [pid 831] symlink("/dev/binderfs", "./binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 833] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 831] <... symlink resumed>) = 0 [pid 310] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 833] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 832] <... openat resumed>) = 3 [pid 831] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 833] <... clone3 resumed>) = 836 [pid 832] write(3, "1000", 4 [pid 831] <... write resumed>) = 18 [pid 310] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... restart_syscall resumed>) = 0 [pid 833] ioctl(3, PPPIOCSMRU, 0 [pid 832] <... write resumed>) = 4 [pid 831] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... openat resumed>) = 3 [pid 833] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 832] close(3 [pid 831] <... socket resumed>) = 3 [pid 310] fstat(3 [pid 833] exit_group(0 [pid 832] <... close resumed>) = 0 [pid 831] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 833] <... exit_group resumed>) = ? [pid 832] symlink("/dev/binderfs", "./binderfs" [pid 831] <... socket resumed>) = 4 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 833] +++ exited with 0 +++ [pid 832] <... symlink resumed>) = 0 [pid 831] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 832] write(1, "executing program\n", 18 [pid 831] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 310] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 832] <... write resumed>) = 18 [pid 831] sendfile(-1, -1, [3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 832] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 831] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./51/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 832] <... socket resumed>) = 3 [pid 831] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 832] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 831] <... clone3 resumed>) = 837 [pid 310] unlink("./51/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 832] <... socket resumed>) = 4 [pid 831] ioctl(3, PPPIOCSMRU, 0 [pid 308] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 832] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 831] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 832] <... connect resumed>) = -1 EEXIST (File exists) [pid 831] exit_group(0 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./52/binderfs" [pid 832] sendfile(-1, -1, [3 [pid 831] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 832] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 831] +++ exited with 0 +++ [pid 310] close(3 [pid 308] unlink("./52/binderfs" [pid 832] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./52" [pid 832] <... clone3 resumed>) = 838 [pid 310] rmdir("./51" [pid 308] <... rmdir resumed>) = 0 [pid 832] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./53", 0777 [pid 832] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] mkdir("./52", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 832] exit_group(0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 832] <... exit_group resumed>) = ? [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 832] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 839 [pid 307] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 840 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./49/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./54/binderfs" [pid 307] unlink("./49/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./54/binderfs" [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 307] rmdir("./49" [pid 306] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./54" [pid 307] mkdir("./50", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./55", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 841 attached ci2-android-6-1/strace-static-x86_64: Process 840 attached ci2-android-6-1/strace-static-x86_64: Process 839 attached [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 841] set_robust_list(0x555593f8a6a0, 24 [pid 840] set_robust_list(0x555593f8a6a0, 24 [pid 839] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 841 ci2-android-6-1/strace-static-x86_64: Process 842 attached [pid 840] <... set_robust_list resumed>) = 0 [pid 839] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 842] set_robust_list(0x555593f8a6a0, 24 [pid 839] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 842 [pid 842] <... set_robust_list resumed>) = 0 [pid 840] rt_sigprocmask(SIG_SETMASK, [] [pid 839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 842] rt_sigprocmask(SIG_SETMASK, [] [pid 839] chdir("./53" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 839] <... chdir resumed>) = 0 [pid 842] chdir("./55" [pid 840] chdir("./52" [pid 839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 842] <... chdir resumed>) = 0 [pid 841] <... set_robust_list resumed>) = 0 [pid 842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 841] rt_sigprocmask(SIG_SETMASK, [] [pid 842] <... prctl resumed>) = 0 [pid 841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 842] setpgid(0, 0 [pid 841] chdir("./50" [pid 842] <... setpgid resumed>) = 0 [pid 841] <... chdir resumed>) = 0 [pid 842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 842] <... openat resumed>) = 3 [pid 839] <... prctl resumed>) = 0 [pid 842] write(3, "1000", 4 [pid 841] <... prctl resumed>) = 0 [pid 842] <... write resumed>) = 4 [pid 841] setpgid(0, 0 [pid 842] close(3 [pid 841] <... setpgid resumed>) = 0 [pid 842] <... close resumed>) = 0 [pid 841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 842] symlink("/dev/binderfs", "./binderfs" [pid 841] <... openat resumed>) = 3 [pid 842] <... symlink resumed>) = 0 [pid 841] write(3, "1000", 4 [pid 842] write(1, "executing program\n", 18 [pid 841] <... write resumed>) = 4 [pid 842] <... write resumed>) = 18 [pid 841] close(3 [pid 842] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 841] <... close resumed>) = 0 [pid 842] <... socket resumed>) = 3 [pid 841] symlink("/dev/binderfs", "./binderfs" [pid 842] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 841] <... symlink resumed>) = 0 [pid 842] <... socket resumed>) = 4 [pid 841] write(1, "executing program\n", 18 [pid 840] <... chdir resumed>) = 0 [pid 839] setpgid(0, 0) = 0 [pid 842] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 841] <... write resumed>) = 18 [pid 840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 842] <... connect resumed>) = -1 EEXIST (File exists) [pid 841] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 839] <... openat resumed>) = 3 [pid 840] <... prctl resumed>) = 0 executing program executing program [pid 839] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 840] setpgid(0, 0 [pid 839] <... write resumed>) = 4 [pid 840] <... setpgid resumed>) = 0 [pid 309] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 839] close(3 [pid 842] sendfile(-1, -1, [3 [pid 841] <... socket resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 839] <... close resumed>) = 0 [pid 309] fstat(3 [pid 839] symlink("/dev/binderfs", "./binderfs" [pid 840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 842] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 841] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 842] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 841] <... socket resumed>) = 4 [pid 839] <... symlink resumed>) = 0 [pid 309] getdents64(3 [pid 840] <... openat resumed>) = 3 executing program [pid 839] write(1, "executing program\n", 18 [pid 841] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 840] write(3, "1000", 4 [pid 839] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 842] <... clone3 resumed>) = 843 [pid 841] <... connect resumed>) = -1 EEXIST (File exists) [pid 840] <... write resumed>) = 4 [pid 839] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 842] ioctl(3, PPPIOCSMRU, 0 [pid 309] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 842] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 842] exit_group(0 [pid 841] sendfile(-1, -1, [3 [pid 840] close(3 [pid 839] <... socket resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 842] <... exit_group resumed>) = ? [pid 841] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 840] <... close resumed>) = 0 [pid 839] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] newfstatat(AT_FDCWD, "./53/binderfs" [pid 841] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 840] symlink("/dev/binderfs", "./binderfs" [pid 839] <... socket resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 842] +++ exited with 0 +++ [pid 841] <... clone3 resumed>) = 844 [pid 840] <... symlink resumed>) = 0 [pid 839] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] unlink("./53/binderfs" [pid 841] ioctl(3, PPPIOCSMRU, 0 [pid 840] write(1, "executing program\n", 18 [pid 839] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 executing program [pid 841] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 840] <... write resumed>) = 18 [pid 839] sendfile(-1, -1, [3 [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 841] exit_group(0 [pid 840] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 839] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 841] <... exit_group resumed>) = ? [pid 840] <... socket resumed>) = 3 [pid 839] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] close(3 [pid 841] +++ exited with 0 +++ [pid 840] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 840] <... socket resumed>) = 4 [pid 839] <... clone3 resumed>) = 845 [pid 309] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 840] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 839] ioctl(3, PPPIOCSMRU, 0 [pid 309] rmdir("./53" [pid 306] <... restart_syscall resumed>) = 0 [pid 840] <... connect resumed>) = -1 EEXIST (File exists) [pid 839] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... rmdir resumed>) = 0 [pid 840] sendfile(-1, -1, [3 [pid 839] exit_group(0 [pid 309] mkdir("./54", 0777 [pid 307] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 840] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 839] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 840] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 840] <... clone3 resumed>) = 846 [pid 839] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 840] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(3 [pid 840] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=839, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 840] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 306] fstat(3 [pid 840] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 847 attached [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 847] set_robust_list(0x555593f8a6a0, 24 [pid 840] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 847 [pid 307] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./50/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 847] <... set_robust_list resumed>) = 0 [pid 307] unlink("./50/binderfs" [pid 306] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./55/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 306] unlink("./55/binderfs" [pid 307] <... close resumed>) = 0 [pid 847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rmdir("./50" [pid 306] <... unlink resumed>) = 0 [pid 847] chdir("./54" [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 307] mkdir("./51", 0777 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 847] <... chdir resumed>) = 0 [pid 847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 847] setpgid(0, 0) = 0 [pid 847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./55" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 847] write(3, "1000", 4) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 847] close(3) = 0 [pid 847] symlink("/dev/binderfs", "./binderfs") = 0 [pid 847] write(1, "executing program\n", 18 [pid 306] mkdir("./56", 0777 [pid 847] <... write resumed>) = 18 executing program [pid 847] socket(AF_PPPOX, SOCK_STREAM, 1ci2-android-6-1/strace-static-x86_64: Process 848 attached [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 848 [pid 306] <... mkdir resumed>) = 0 [pid 848] set_robust_list(0x555593f8a6a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 848] <... set_robust_list resumed>) = 0 [pid 847] <... socket resumed>) = 3 [pid 847] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 847] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 847] <... connect resumed>) = -1 EEXIST (File exists) [pid 847] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 847] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 849 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 847] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 847] exit_group(0) = ? [pid 848] rt_sigprocmask(SIG_SETMASK, [] [pid 847] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 850 attached [pid 848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 850 [pid 850] set_robust_list(0x555593f8a6a0, 24 [pid 848] chdir("./51" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 848] <... chdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 850] <... set_robust_list resumed>) = 0 [pid 850] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 850] chdir("./56" [pid 848] <... prctl resumed>) = 0 [pid 850] <... chdir resumed>) = 0 [pid 850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 850] setpgid(0, 0) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 848] setpgid(0, 0 [pid 850] <... openat resumed>) = 3 [pid 850] write(3, "1000", 4 [pid 848] <... setpgid resumed>) = 0 [pid 310] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 850] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 850] close(3 [pid 310] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 850] <... close resumed>) = 0 [pid 848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 850] symlink("/dev/binderfs", "./binderfs" [pid 310] fstat(3 [pid 848] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 850] <... symlink resumed>) = 0 [pid 848] write(3, "1000", 4 [pid 310] getdents64(3 [pid 308] fstat(3 [pid 850] write(1, "executing program\n", 18 [pid 848] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 309] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 850] <... write resumed>) = 18 [pid 848] close(3 [pid 310] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 850] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 848] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 850] <... socket resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./52/binderfs" [pid 309] <... openat resumed>) = 3 [pid 850] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 848] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 850] <... socket resumed>) = 4 [pid 310] unlink("./52/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 850] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 848] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 850] <... connect resumed>) = -1 EEXIST (File exists) [pid 848] write(1, "executing program\n", 18 executing program [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 850] sendfile(-1, -1, [3 [pid 848] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 850] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 848] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./53/binderfs" [pid 850] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 848] <... socket resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./54/binderfs" [pid 848] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] rmdir("./52" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 848] <... socket resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./53/binderfs" [pid 850] <... clone3 resumed>) = 851 [pid 848] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./54/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 850] ioctl(3, PPPIOCSMRU, 0 [pid 848] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./53", 0777 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 850] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 848] sendfile(-1, -1, [3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 848] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] close(3 [pid 850] exit_group(0 [pid 848] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 850] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(3 [pid 848] <... clone3 resumed>) = 852 [pid 308] rmdir("./53" [pid 850] +++ exited with 0 +++ [pid 848] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 848] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] mkdir("./54", 0777 [pid 848] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./54" [pid 848] <... exit_group resumed>) = ? [pid 308] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 853 attached [pid 848] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 853 [pid 309] mkdir("./55", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 853] set_robust_list(0x555593f8a6a0, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 853] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 853] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 854 [pid 853] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 854 attached [pid 853] chdir("./53" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 853] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 853] setpgid(0, 0) = 0 [pid 853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 853] write(3, "1000", 4) = 4 [pid 853] close(3) = 0 [pid 853] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] fstat(3 [pid 853] write(1, "executing program\n", 18) = 18 executing program [pid 853] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 853] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 853] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 853] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 853] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 855 attached [pid 854] set_robust_list(0x555593f8a6a0, 24 [pid 853] <... clone3 resumed>) = 856 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 855 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 855] set_robust_list(0x555593f8a6a0, 24 [pid 853] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 853] exit_group(0) = ? [pid 855] <... set_robust_list resumed>) = 0 [pid 854] <... set_robust_list resumed>) = 0 [pid 853] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 855] chdir("./55") = 0 [pid 855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 855] setpgid(0, 0) = 0 [pid 855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 855] <... openat resumed>) = 3 [pid 855] write(3, "1000", 4) = 4 [pid 855] close(3) = 0 [pid 855] symlink("/dev/binderfs", "./binderfs") = 0 [pid 855] write(1, "executing program\n", 18) = 18 [pid 855] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... restart_syscall resumed>) = 0 [pid 855] <... socket resumed>) = 3 [pid 855] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 307] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 855] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 855] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 855] sendfile(-1, -1, [3 [pid 307] <... openat resumed>) = 3 [pid 855] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] fstat(3 [pid 855] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 854] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 855] <... clone3 resumed>) = 857 [pid 854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 855] ioctl(3, PPPIOCSMRU, 0 [pid 307] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 855] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 855] exit_group(0 [pid 307] newfstatat(AT_FDCWD, "./51/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 855] <... exit_group resumed>) = ? [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./56/binderfs" [pid 855] +++ exited with 0 +++ [pid 854] chdir("./54" [pid 307] unlink("./51/binderfs" [pid 854] <... chdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(3 [pid 306] unlink("./56/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./51" [pid 306] getdents64(3 [pid 854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./52", 0777 [pid 854] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 310] fstat(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 858 attached [pid 854] setpgid(0, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./56" [pid 858] set_robust_list(0x555593f8a6a0, 24 [pid 310] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 858 [pid 858] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 858] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] mkdir("./57", 0777 [pid 858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 858] chdir("./52") = 0 [pid 858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 858] setpgid(0, 0) = 0 [pid 858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./53/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./53/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 858] <... openat resumed>) = 3 [pid 858] write(3, "1000", 4 [pid 310] <... unlink resumed>) = 0 [pid 858] <... write resumed>) = 4 [pid 858] close(3) = 0 [pid 858] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] getdents64(3 [pid 858] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 859 [pid 854] <... setpgid resumed>) = 0 [pid 310] close(3 [pid 858] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 858] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rmdir("./53" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 858] <... socket resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./54", 0777 [pid 858] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 858] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 858] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 858] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... mkdir resumed>) = 0 executing program ci2-android-6-1/strace-static-x86_64: Process 859 attached [pid 854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 859] set_robust_list(0x555593f8a6a0, 24 [pid 858] <... clone3 resumed>) = 860 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 858] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 854] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 859] <... set_robust_list resumed>) = 0 [pid 858] exit_group(0) = ? [pid 858] +++ exited with 0 +++ [pid 859] rt_sigprocmask(SIG_SETMASK, [] [pid 854] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 861 attached ) = 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 861 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 859] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 859] chdir("./57") = 0 [pid 859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 859] setpgid(0, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 859] <... setpgid resumed>) = 0 [pid 854] close(3 [pid 859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 859] write(3, "1000", 4) = 4 [pid 859] close(3) = 0 [pid 859] symlink("/dev/binderfs", "./binderfs" [pid 861] set_robust_list(0x555593f8a6a0, 24 [pid 859] <... symlink resumed>) = 0 [pid 854] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 859] write(1, "executing program\n", 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 859] <... write resumed>) = 18 [pid 854] symlink("/dev/binderfs", "./binderfs" executing program [pid 859] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [ 29.943145][ T816] ------------[ cut here ]------------ [ 29.948682][ T816] WARNING: CPU: 0 PID: 816 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 29.958810][ T816] Modules linked in: [ 29.962755][ T816] CPU: 0 PID: 816 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 29.972005][ T816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 29.982127][ T816] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 859] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 859] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 859] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 859] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 862 [pid 859] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 859] exit_group(0 [pid 854] <... symlink resumed>) = 0 [pid 859] <... exit_group resumed>) = ? [pid 859] +++ exited with 0 +++ [pid 861] <... set_robust_list resumed>) = 0 [pid 861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 861] chdir("./54") = 0 [pid 861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 861] setpgid(0, 0) = 0 [pid 861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 861] write(3, "1000", 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./52/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./52") = 0 [pid 307] mkdir("./53", 0777) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 863 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 861] <... write resumed>) = 4 [pid 861] close(3) = 0 [pid 861] symlink("/dev/binderfs", "./binderfs") = 0 [pid 861] write(1, "executing program\n", 18) = 18 [pid 861] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 861] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 861] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 863 attached [pid 863] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 863] chdir("./53") = 0 [pid 863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 863] setpgid(0, 0) = 0 [pid 863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 863] write(3, "1000", 4) = 4 [pid 863] close(3) = 0 [pid 863] symlink("/dev/binderfs", "./binderfs") = 0 [pid 863] write(1, "executing program\n", 18) = 18 [pid 863] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 863] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 863] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 863] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 863] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 864 [pid 863] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 863] exit_group(0) = ? [pid 863] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 307] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./53/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 executing program executing program [pid 307] rmdir("./53" [pid 309] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./54", 0777 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 29.988687][ T816] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 30.008465][ T816] RSP: 0018:ffffc900018b7b90 EFLAGS: 00010293 [ 30.014593][ T816] RAX: ffffffff849ca097 RBX: ffff88811421c000 RCX: ffff8881141e2880 [ 30.022632][ T816] RDX: 0000000000000000 RSI: 00000000213e54e0 RDI: 000000000c04eb7d [ 30.030659][ T816] RBP: ffffc900018b7bb0 R08: ffff88811421c083 R09: 1ffff11022843810 [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 309] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 865 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./55/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] unlink("./55/binderfs" [pid 306] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./57/binderfs" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 306] unlink("./57/binderfs" [pid 309] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] rmdir("./55" [pid 306] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./56", 0777 [pid 306] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./57" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./58", 0777) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 866 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 867 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 866 attached ci2-android-6-1/strace-static-x86_64: Process 867 attached [ 30.038830][ T816] R10: dffffc0000000000 R11: ffffed1022843811 R12: dffffc0000000000 [ 30.046945][ T816] R13: dffffc0000000000 R14: 00000000213e54e0 R15: ffff888112adc800 [ 30.055358][ T816] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.064371][ T816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.071149][ T816] CR2: 00007f1cc081f8c2 CR3: 000000000700f000 CR4: 00000000003506b0 [ 30.079363][ T816] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 866] set_robust_list(0x555593f8a6a0, 24 [pid 867] set_robust_list(0x555593f8a6a0, 24 [pid 866] <... set_robust_list resumed>) = 0 [pid 866] rt_sigprocmask(SIG_SETMASK, [] [pid 867] <... set_robust_list resumed>) = 0 [pid 867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 866] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 867] chdir("./58" [pid 866] chdir("./56" [pid 867] <... chdir resumed>) = 0 [pid 867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 866] <... chdir resumed>) = 0 [pid 867] <... prctl resumed>) = 0 [pid 866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 867] setpgid(0, 0 [pid 866] <... prctl resumed>) = 0 [pid 867] <... setpgid resumed>) = 0 [pid 866] setpgid(0, 0 [pid 867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 866] <... setpgid resumed>) = 0 [pid 867] <... openat resumed>) = 3 [pid 866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 867] write(3, "1000", 4 [pid 866] <... openat resumed>) = 3 [pid 867] <... write resumed>) = 4 [pid 866] write(3, "1000", 4 [pid 861] <... connect resumed>) = 0 [pid 867] close(3 [pid 866] <... write resumed>) = 4 [pid 861] sendfile(-1, -1, [3 [pid 867] <... close resumed>) = 0 [pid 866] close(3 [pid 861] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 867] symlink("/dev/binderfs", "./binderfs" [pid 866] <... close resumed>) = 0 [pid 861] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 867] <... symlink resumed>) = 0 [pid 866] symlink("/dev/binderfs", "./binderfs" [pid 867] write(1, "executing program\n", 18 [pid 866] <... symlink resumed>) = 0 [pid 861] <... clone3 resumed>) = 868 [pid 867] <... write resumed>) = 18 executing program executing program [pid 866] write(1, "executing program\n", 18 [pid 861] ioctl(3, PPPIOCSMRU, 0 [pid 867] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 866] <... write resumed>) = 18 [pid 861] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 867] <... socket resumed>) = 3 [pid 866] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 861] exit_group(0 [pid 867] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 866] <... socket resumed>) = 3 [pid 861] <... exit_group resumed>) = ? [pid 867] <... socket resumed>) = 4 [pid 866] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 861] +++ exited with 0 +++ [pid 867] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 866] <... socket resumed>) = 4 [pid 867] <... connect resumed>) = -1 EEXIST (File exists) [pid 866] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=861, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 867] sendfile(-1, -1, [3 [pid 866] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 867] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 866] sendfile(-1, -1, [3 [ 30.087647][ T816] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.095766][ T816] Call Trace: [ 30.099240][ T816] [ 30.102381][ T816] pppol2tp_release+0x150/0x2b0 [ 30.107514][ T816] sock_close+0xc9/0x220 [ 30.111979][ T816] ? __cfi_sock_close+0x10/0x10 [ 30.117065][ T816] __fput+0x1fd/0x8f0 [ 30.121304][ T816] ____fput+0x15/0x20 [ 30.125452][ T816] task_work_run+0x1e1/0x250 [ 30.130089][ T816] ? __cfi_task_work_run+0x10/0x10 [ 30.135259][ T816] ? free_nsproxy+0x21f/0x270 [ 30.139981][ T816] do_exit+0xb0d/0x29f0 [ 30.144209][ T816] ? __cfi_do_exit+0x10/0x10 [ 30.148837][ T816] ? xfd_validate_state+0x70/0x150 [ 30.154036][ T816] ? __kasan_check_write+0x14/0x20 [ 30.159182][ T816] __x64_sys_exit+0x40/0x40 [ 30.163788][ T816] x64_sys_call+0x67/0x9a0 [ 30.168249][ T816] do_syscall_64+0x4c/0xa0 [ 30.172718][ T816] ? clear_bhb_loop+0x30/0x80 [ 30.177437][ T816] ? clear_bhb_loop+0x30/0x80 [ 30.182157][ T816] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.188130][ T816] RIP: 0033:0x7f1cc07fe169 [ 30.192602][ T816] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 30.199654][ T816] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 30.208136][ T816] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 30.216168][ T816] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 30.224204][ T816] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 30.232201][ T816] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 867] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 866] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 867] <... clone3 resumed>) = 869 [pid 866] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 865 attached [pid 867] ioctl(3, PPPIOCSMRU, 0 [pid 866] <... clone3 resumed>) = 870 [pid 854] write(1, "executing program\n", 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 867] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 866] ioctl(3, PPPIOCSMRU, 0 [pid 865] set_robust_list(0x555593f8a6a0, 24 [pid 854] <... write resumed>) = 18 [pid 867] exit_group(0 [pid 866] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 865] <... set_robust_list resumed>) = 0 [pid 854] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 867] <... exit_group resumed>) = ? [pid 866] exit_group(0 [pid 865] rt_sigprocmask(SIG_SETMASK, [] [pid 854] <... socket resumed>) = 3 [pid 310] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 867] +++ exited with 0 +++ [pid 866] <... exit_group resumed>) = ? [pid 865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 854] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 866] +++ exited with 0 +++ [pid 865] chdir("./54" [pid 854] <... socket resumed>) = 4 [pid 310] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 865] <... chdir resumed>) = 0 [pid 854] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=866, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 854] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 865] <... prctl resumed>) = 0 [pid 854] sendfile(-1, -1, [3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 865] setpgid(0, 0 [pid 854] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 865] <... setpgid resumed>) = 0 [pid 854] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 854] <... clone3 resumed>) = 871 [pid 310] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 865] <... openat resumed>) = 3 [pid 854] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 865] write(3, "1000", 4 [pid 854] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] newfstatat(AT_FDCWD, "./54/binderfs" executing program executing program executing program executing program executing program executing program executing program [pid 865] <... write resumed>) = 4 [pid 854] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 865] close(3 [pid 854] <... exit_group resumed>) = ? [pid 310] unlink("./54/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 865] <... close resumed>) = 0 [pid 854] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 865] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 865] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 865] write(1, "executing program\n", 18 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 865] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 865] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rmdir("./54" [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 865] <... socket resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 865] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] mkdir("./55", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 865] <... socket resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 865] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 865] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 865] sendfile(-1, -1, [3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 865] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./56/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./58/binderfs" [pid 865] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 872 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./54/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 865] <... clone3 resumed>) = 873 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./56/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./58/binderfs" [pid 865] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./54/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 865] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 865] exit_group(0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 865] <... exit_group resumed>) = ? [pid 309] close(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 872 attached [pid 865] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 306] <... close resumed>) = 0 [pid 872] set_robust_list(0x555593f8a6a0, 24 [pid 309] rmdir("./56" [pid 308] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./58" [pid 872] <... set_robust_list resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./54" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 872] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./57", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] mkdir("./59", 0777 [pid 872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./55", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 872] chdir("./55" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 872] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 872] <... prctl resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 872] setpgid(0, 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 874 [pid 307] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 875 [pid 872] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 876 [pid 307] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 872] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 872] write(3, "1000", 4 [pid 307] getdents64(3 [pid 872] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 872] close(3 [pid 307] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 872] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 876 attached [pid 872] symlink("/dev/binderfs", "./binderfs" [pid 307] newfstatat(AT_FDCWD, "./54/binderfs"ci2-android-6-1/strace-static-x86_64: Process 875 attached [pid 876] set_robust_list(0x555593f8a6a0, 24 [pid 872] <... symlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 876] <... set_robust_list resumed>) = 0 [pid 875] set_robust_list(0x555593f8a6a0, 24 [pid 872] write(1, "executing program\n", 18 [pid 307] unlink("./54/binderfs" [pid 876] rt_sigprocmask(SIG_SETMASK, [] [pid 875] <... set_robust_list resumed>) = 0 [pid 872] <... write resumed>) = 18 [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 874 attached [pid 876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 875] rt_sigprocmask(SIG_SETMASK, [] [pid 872] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] getdents64(3 [pid 876] chdir("./55" [pid 875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 874] set_robust_list(0x555593f8a6a0, 24 [pid 872] <... socket resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 876] <... chdir resumed>) = 0 [pid 875] chdir("./59" [pid 874] <... set_robust_list resumed>) = 0 [pid 872] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] close(3 [pid 876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 875] <... chdir resumed>) = 0 [pid 874] rt_sigprocmask(SIG_SETMASK, [] [pid 872] <... socket resumed>) = 4 [pid 307] <... close resumed>) = 0 [pid 876] <... prctl resumed>) = 0 [pid 875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 872] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] rmdir("./54" [pid 876] setpgid(0, 0 [pid 875] <... prctl resumed>) = 0 [pid 874] chdir("./57" [pid 872] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 876] <... setpgid resumed>) = 0 [pid 875] setpgid(0, 0 [pid 874] <... chdir resumed>) = 0 [pid 872] sendfile(-1, -1, [3 [pid 307] mkdir("./55", 0777 [pid 876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 875] <... setpgid resumed>) = 0 [pid 874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 872] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... mkdir resumed>) = 0 [pid 876] <... openat resumed>) = 3 [pid 875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 874] <... prctl resumed>) = 0 [pid 872] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 876] write(3, "1000", 4 [pid 875] <... openat resumed>) = 3 [pid 874] setpgid(0, 0 [pid 872] <... clone3 resumed>) = 877 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 876] <... write resumed>) = 4 [pid 875] write(3, "1000", 4 [pid 874] <... setpgid resumed>) = 0 [pid 872] ioctl(3, PPPIOCSMRU, 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 876] close(3 [pid 875] <... write resumed>) = 4 [pid 874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 872] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 876] <... close resumed>) = 0 [pid 875] close(3 [pid 874] <... openat resumed>) = 3 [pid 872] exit_group(0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 878 [pid 876] symlink("/dev/binderfs", "./binderfs" [pid 875] <... close resumed>) = 0 [pid 874] write(3, "1000", 4 [pid 872] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 876] <... symlink resumed>) = 0 [pid 875] symlink("/dev/binderfs", "./binderfs" [pid 874] <... write resumed>) = 4 [pid 872] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 876] write(1, "executing program\n", 18 [pid 875] <... symlink resumed>) = 0 [pid 874] close(3 [pid 876] <... write resumed>) = 18 [pid 875] write(1, "executing program\n", 18 [pid 874] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 876] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 875] <... write resumed>) = 18 [pid 874] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 878 attached [pid 876] <... socket resumed>) = 3 [pid 875] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 874] <... symlink resumed>) = 0 [pid 878] set_robust_list(0x555593f8a6a0, 24 [pid 876] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 875] <... socket resumed>) = 3 [pid 874] write(1, "executing program\n", 18 [pid 878] <... set_robust_list resumed>) = 0 [pid 876] <... socket resumed>) = 4 [pid 875] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 874] <... write resumed>) = 18 [pid 878] rt_sigprocmask(SIG_SETMASK, [] [pid 876] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 875] <... socket resumed>) = 4 [pid 874] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 878] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 876] <... connect resumed>) = -1 EEXIST (File exists) [pid 875] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 874] <... socket resumed>) = 3 [pid 878] chdir("./55" [pid 876] sendfile(-1, -1, [3 [pid 875] <... connect resumed>) = -1 EEXIST (File exists) [pid 874] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 878] <... chdir resumed>) = 0 [pid 876] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 875] sendfile(-1, -1, [3 [pid 874] <... socket resumed>) = 4 [pid 878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 876] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 875] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 874] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 878] <... prctl resumed>) = 0 [pid 876] <... clone3 resumed>) = 879 [pid 875] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 874] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 878] setpgid(0, 0 [pid 876] ioctl(3, PPPIOCSMRU, 0 [pid 875] <... clone3 resumed>) = 880 [pid 874] sendfile(-1, -1, [3 [pid 878] <... setpgid resumed>) = 0 [pid 876] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 875] ioctl(3, PPPIOCSMRU, 0 [pid 874] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 876] exit_group(0 [pid 875] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 874] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 878] <... openat resumed>) = 3 [pid 876] <... exit_group resumed>) = ? [pid 875] exit_group(0 [pid 874] <... clone3 resumed>) = 881 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 878] write(3, "1000", 4 [pid 876] +++ exited with 0 +++ [pid 875] <... exit_group resumed>) = ? [pid 874] ioctl(3, PPPIOCSMRU, 0 [pid 310] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 878] <... write resumed>) = 4 [pid 875] +++ exited with 0 +++ [pid 874] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... openat resumed>) = 3 [pid 878] close(3 [pid 874] exit_group(0 [pid 310] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 878] <... close resumed>) = 0 [pid 874] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 878] symlink("/dev/binderfs", "./binderfs" [pid 874] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 878] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 878] write(1, "executing program\n", 18 [pid 310] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 3 [pid 878] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 878] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] newfstatat(AT_FDCWD, "./55/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 878] <... socket resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 878] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] unlink("./55/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 878] <... socket resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 878] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 878] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./55/binderfs" [pid 878] sendfile(-1, -1, [3 [pid 310] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 878] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 308] unlink("./55/binderfs" [pid 878] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rmdir("./55" [pid 308] <... unlink resumed>) = 0 [pid 878] <... clone3 resumed>) = 882 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 878] ioctl(3, PPPIOCSMRU, 0 [pid 310] mkdir("./56", 0777 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 878] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 878] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 878] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./55" [pid 878] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 883 attached [pid 309] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./56", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 883] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 883 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 883] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 883] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 883] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 883] chdir("./56" [pid 309] fstat(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 883] <... chdir resumed>) = 0 [pid 883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 883] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 883] <... setpgid resumed>) = 0 [pid 883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] getdents64(3 [pid 306] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 884 [pid 883] write(3, "1000", 4) = 4 [pid 883] close(3) = 0 [pid 883] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 884 attached ) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 883] write(1, "executing program\n", 18) = 18 executing program [pid 883] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 884] set_robust_list(0x555593f8a6a0, 24 [pid 883] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 884] <... set_robust_list resumed>) = 0 [pid 884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./57/binderfs" [pid 884] chdir("./56" [pid 883] <... socket resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 884] <... chdir resumed>) = 0 [pid 884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 884] setpgid(0, 0 [pid 309] unlink("./57/binderfs" [pid 883] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./55/binderfs" [pid 309] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./59/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 306] unlink("./59/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./55" [pid 309] rmdir("./57" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] mkdir("./56", 0777 [pid 884] <... setpgid resumed>) = 0 [pid 883] <... connect resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 309] mkdir("./58", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 883] sendfile(-1, -1, [3 [pid 309] <... mkdir resumed>) = 0 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 885 attached [pid 884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 885 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 883] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 883] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 886 [pid 883] ioctl(3, PPPIOCSMRU, 0) = -1 ENOSYS (Function not implemented) [pid 883] exit_group(0) = ? [pid 883] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 887 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 887 attached [pid 887] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./59" [pid 887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 887] chdir("./58" [pid 306] <... rmdir resumed>) = 0 [pid 887] <... chdir resumed>) = 0 [pid 306] mkdir("./60", 0777 [pid 887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 884] <... openat resumed>) = 3 [pid 310] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 887] <... prctl resumed>) = 0 [pid 887] setpgid(0, 0) = 0 [pid 887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 887] <... openat resumed>) = 3 [pid 887] write(3, "1000", 4) = 4 [pid 887] close(3) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 887] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 887] <... symlink resumed>) = 0 [pid 887] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 3 [pid 885] set_robust_list(0x555593f8a6a0, 24 [pid 884] write(3, "1000", 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 887] <... write resumed>) = 18 executing program [pid 887] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 310] fstat(3 [pid 884] <... write resumed>) = 4 [pid 887] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 887] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 884] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 887] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 887] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 884] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 884] symlink("/dev/binderfs", "./binderfs" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 888 [pid 884] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 884] write(1, "executing program\n", 18 executing program [pid 310] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 884] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 884] socket(AF_PPPOX, SOCK_STREAM, 1ci2-android-6-1/strace-static-x86_64: Process 888 attached [pid 885] <... set_robust_list resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./56/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 887] <... clone3 resumed>) = 889 [pid 884] <... socket resumed>) = 3 [pid 885] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 887] ioctl(3, PPPIOCSMRU, 0 [pid 310] unlink("./56/binderfs" [pid 888] set_robust_list(0x555593f8a6a0, 24 [pid 885] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 884] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 887] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 888] <... set_robust_list resumed>) = 0 [pid 885] chdir("./56" [pid 310] <... unlink resumed>) = 0 [pid 888] rt_sigprocmask(SIG_SETMASK, [] [pid 885] <... chdir resumed>) = 0 [pid 884] <... socket resumed>) = 4 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./56" [pid 888] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 884] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./57", 0777 [pid 888] chdir("./60" [pid 887] exit_group(0 [pid 885] <... prctl resumed>) = 0 [pid 884] <... connect resumed>) = -1 EEXIST (File exists) [pid 888] <... chdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 885] setpgid(0, 0 [pid 888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 887] <... exit_group resumed>) = ? [pid 884] sendfile(-1, -1, [3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 888] <... prctl resumed>) = 0 [pid 887] +++ exited with 0 +++ [pid 885] <... setpgid resumed>) = 0 [pid 884] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) ci2-android-6-1/strace-static-x86_64: Process 890 attached [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 890 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 890] set_robust_list(0x555593f8a6a0, 24 [pid 888] setpgid(0, 0 [pid 885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 884] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 890] <... set_robust_list resumed>) = 0 [pid 888] <... setpgid resumed>) = 0 [pid 885] <... openat resumed>) = 3 [pid 884] <... clone3 resumed>) = 891 [pid 888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 885] write(3, "1000", 4 [pid 884] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 888] <... openat resumed>) = 3 [pid 885] <... write resumed>) = 4 [pid 884] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 888] write(3, "1000", 4 [pid 885] close(3 [pid 884] exit_group(0 [pid 888] <... write resumed>) = 4 [pid 885] <... close resumed>) = 0 [pid 884] <... exit_group resumed>) = ? [pid 890] rt_sigprocmask(SIG_SETMASK, [] [pid 888] close(3 [pid 885] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 888] <... close resumed>) = 0 [pid 884] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 888] symlink("/dev/binderfs", "./binderfs" [pid 885] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 888] <... symlink resumed>) = 0 [pid 885] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 888] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 888] <... write resumed>) = 18 executing program [pid 885] <... write resumed>) = 18 [pid 309] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 888] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 885] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 888] <... socket resumed>) = 3 [pid 885] <... socket resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./58/binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 890] chdir("./57" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 890] <... chdir resumed>) = 0 [pid 309] unlink("./58/binderfs" [pid 890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... unlink resumed>) = 0 [pid 890] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 890] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 890] <... setpgid resumed>) = 0 [pid 309] close(3 [pid 890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 888] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 885] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... close resumed>) = 0 [pid 890] <... openat resumed>) = 3 [pid 888] <... socket resumed>) = 4 [pid 885] <... socket resumed>) = 4 [pid 309] rmdir("./58" [pid 890] write(3, "1000", 4 [pid 888] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 885] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... rmdir resumed>) = 0 [pid 890] <... write resumed>) = 4 [pid 888] <... connect resumed>) = -1 EEXIST (File exists) [pid 885] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] mkdir("./59", 0777 [pid 308] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 888] sendfile(-1, -1, [3 [pid 885] sendfile(-1, -1, [3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 890] close(3 [pid 888] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 885] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 888] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 885] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... openat resumed>) = 3 [pid 890] <... close resumed>) = 0 [pid 888] <... clone3 resumed>) = 892 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 890] symlink("/dev/binderfs", "./binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 888] ioctl(3, PPPIOCSMRU, 0 [pid 885] <... clone3 resumed>) = 893 [pid 308] fstat(3 [pid 888] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 885] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 888] exit_group(0 [pid 885] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 894 [pid 308] getdents64(3 [pid 888] <... exit_group resumed>) = ? [pid 885] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 890] <... symlink resumed>) = 0 [pid 888] +++ exited with 0 +++ [pid 885] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 894 attached [pid 890] write(1, "executing program\n", 18 [pid 885] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 890] <... write resumed>) = 18 [pid 308] newfstatat(AT_FDCWD, "./56/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 890] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] unlink("./56/binderfs" [pid 894] set_robust_list(0x555593f8a6a0, 24 [pid 307] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 894] <... set_robust_list resumed>) = 0 [pid 894] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 890] <... socket resumed>) = 3 [pid 308] getdents64(3 executing program [pid 307] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 890] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] close(3 [pid 307] fstat(3 [pid 890] <... socket resumed>) = 4 [pid 894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./56" [pid 890] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] getdents64(3 [pid 894] chdir("./59") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] mkdir("./57", 0777 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 890] <... connect resumed>) = -1 EEXIST (File exists) [pid 894] setpgid(0, 0) = 0 [pid 894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 890] sendfile(-1, -1, [3 [pid 307] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 894] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 890] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 894] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./56/binderfs" [pid 890] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 894] close(3) = 0 [pid 894] symlink("/dev/binderfs", "./binderfs") = 0 [pid 894] write(1, "executing program\n", 18) = 18 [pid 894] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 894] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 895 [pid 307] unlink("./56/binderfs" [pid 894] <... socket resumed>) = 4 [pid 894] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 894] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 894] sendfile(-1, -1, [3 [pid 307] close(3 [pid 894] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = 0 [pid 894] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 executing program [pid 307] rmdir("./56"ci2-android-6-1/strace-static-x86_64: Process 895 attached [pid 894] <... clone3 resumed>) = 897 [pid 890] <... clone3 resumed>) = 896 [pid 307] <... rmdir resumed>) = 0 [pid 894] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 894] exit_group(0) = ? [pid 895] set_robust_list(0x555593f8a6a0, 24 [pid 894] +++ exited with 0 +++ [pid 890] ioctl(3, PPPIOCSMRU, 0 [pid 307] mkdir("./57", 0777 [pid 895] <... set_robust_list resumed>) = 0 [pid 895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 895] chdir("./57") = 0 [pid 895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 895] setpgid(0, 0) = 0 [pid 895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 890] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... mkdir resumed>) = 0 [pid 895] write(3, "1000", 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 895] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 895] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 895] <... close resumed>) = 0 [pid 890] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 898 attached [pid 895] symlink("/dev/binderfs", "./binderfs" [pid 890] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 898] set_robust_list(0x555593f8a6a0, 24 [pid 895] <... symlink resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 898 [pid 898] <... set_robust_list resumed>) = 0 [pid 895] write(1, "executing program\n", 18 executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 898] rt_sigprocmask(SIG_SETMASK, [] [pid 895] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 898] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 895] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 898] chdir("./57" [pid 895] <... socket resumed>) = 3 [pid 306] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 898] <... chdir resumed>) = 0 [pid 895] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... openat resumed>) = 3 [pid 898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 895] <... socket resumed>) = 4 [pid 306] fstat(3 [pid 898] <... prctl resumed>) = 0 [pid 895] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 898] setpgid(0, 0 [pid 895] <... connect resumed>) = -1 EEXIST (File exists) [pid 890] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 898] <... setpgid resumed>) = 0 [pid 895] sendfile(-1, -1, [3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 895] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 306] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 898] <... openat resumed>) = 3 [pid 895] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [ 30.240278][ T816] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 0000000000000033 [ 30.248327][ T816] [ 30.251390][ T816] ---[ end trace 0000000000000000 ]--- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 898] write(3, "1000", 4 [pid 895] <... clone3 resumed>) = 899 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./60/binderfs" [pid 898] <... write resumed>) = 4 [pid 895] ioctl(3, PPPIOCSMRU, 0 [pid 309] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 898] close(3 [pid 895] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./60/binderfs" [pid 898] <... close resumed>) = 0 [pid 895] exit_group(0 [pid 309] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 898] symlink("/dev/binderfs", "./binderfs" [pid 895] <... exit_group resumed>) = ? [pid 310] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 898] <... symlink resumed>) = 0 [pid 895] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 898] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(3 [pid 898] <... write resumed>) = 18 executing program [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 898] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./60" [pid 898] <... socket resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 898] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./61", 0777 [pid 898] <... socket resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] newfstatat(AT_FDCWD, "./59/binderfs" [pid 898] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 898] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./59/binderfs" [pid 308] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 898] sendfile(-1, -1, [3 [pid 310] newfstatat(AT_FDCWD, "./57/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 898] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 898] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] unlink("./57/binderfs" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 900 attached [pid 310] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 310] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 898] <... clone3 resumed>) = 901 [pid 310] close(3 [pid 309] close(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 900 [pid 898] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 900] set_robust_list(0x555593f8a6a0, 24 [pid 898] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rmdir("./57" [pid 309] rmdir("./59" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 900] <... set_robust_list resumed>) = 0 [pid 898] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./57/binderfs" [pid 900] rt_sigprocmask(SIG_SETMASK, [] [pid 898] <... exit_group resumed>) = ? [pid 310] mkdir("./58", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 898] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 308] unlink("./57/binderfs" [pid 900] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./60", 0777 [pid 308] <... unlink resumed>) = 0 [pid 900] chdir("./61" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 900] <... chdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 900] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 902 attached [pid 900] setpgid(0, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 902] set_robust_list(0x555593f8a6a0, 24 [pid 900] <... setpgid resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 902 [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 903 attached [pid 902] <... set_robust_list resumed>) = 0 [pid 900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 903 [pid 308] rmdir("./57" [pid 903] set_robust_list(0x555593f8a6a0, 24 [pid 902] rt_sigprocmask(SIG_SETMASK, [] [pid 900] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 903] <... set_robust_list resumed>) = 0 [pid 902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 900] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./58", 0777 [pid 307] fstat(3 [pid 903] rt_sigprocmask(SIG_SETMASK, [] [pid 902] chdir("./58" [pid 900] <... write resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 903] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 902] <... chdir resumed>) = 0 [pid 900] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 900] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 903] chdir("./60" [pid 902] <... prctl resumed>) = 0 [pid 900] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 902] setpgid(0, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 903] <... chdir resumed>) = 0 [pid 900] <... symlink resumed>) = 0 [pid 307] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 900] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program ci2-android-6-1/strace-static-x86_64: Process 904 attached [pid 903] <... prctl resumed>) = 0 [pid 902] <... setpgid resumed>) = 0 [pid 900] <... write resumed>) = 18 [pid 307] newfstatat(AT_FDCWD, "./57/binderfs" [pid 903] setpgid(0, 0 [pid 902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 900] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 904 [pid 904] set_robust_list(0x555593f8a6a0, 24 [pid 903] <... setpgid resumed>) = 0 [pid 902] <... openat resumed>) = 3 [pid 900] <... socket resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./57/binderfs" [pid 904] <... set_robust_list resumed>) = 0 [pid 903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 902] write(3, "1000", 4 [pid 900] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 904] rt_sigprocmask(SIG_SETMASK, [] [pid 903] <... openat resumed>) = 3 [pid 902] <... write resumed>) = 4 [pid 900] <... socket resumed>) = 4 [pid 307] getdents64(3 [pid 904] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 903] write(3, "1000", 4 [pid 902] close(3 [pid 900] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 903] <... write resumed>) = 4 [pid 902] <... close resumed>) = 0 [pid 900] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] close(3 [pid 904] chdir("./58" [pid 903] close(3 [pid 902] symlink("/dev/binderfs", "./binderfs" [pid 900] sendfile(-1, -1, [3 [pid 307] <... close resumed>) = 0 [pid 903] <... close resumed>) = 0 [pid 900] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] rmdir("./57" [pid 904] <... chdir resumed>) = 0 [pid 903] symlink("/dev/binderfs", "./binderfs" [pid 902] <... symlink resumed>) = 0 [pid 900] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... rmdir resumed>) = 0 [pid 904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 903] <... symlink resumed>) = 0 [pid 902] write(1, "executing program\n", 18 [pid 900] <... clone3 resumed>) = 905 executing program [pid 307] mkdir("./58", 0777 [pid 904] <... prctl resumed>) = 0 [pid 903] write(1, "executing program\n", 18 [pid 902] <... write resumed>) = 18 [pid 900] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... mkdir resumed>) = 0 executing program [pid 904] setpgid(0, 0 [pid 903] <... write resumed>) = 18 [pid 902] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 900] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 904] <... setpgid resumed>) = 0 [pid 903] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 902] <... socket resumed>) = 3 [pid 900] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 903] <... socket resumed>) = 3 [pid 902] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 900] <... exit_group resumed>) = ? [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 904] <... openat resumed>) = 3 [pid 903] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 902] <... socket resumed>) = 4 [pid 900] +++ exited with 0 +++ [pid 903] <... socket resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 903] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 903] sendfile(-1, -1, [3 [pid 306] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 904] write(3, "1000", 4 [pid 903] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 902] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 904] <... write resumed>) = 4 [pid 903] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 902] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 906 [pid 306] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 906 attached [pid 904] close(3 [pid 903] <... clone3 resumed>) = 907 [pid 306] <... openat resumed>) = 3 [pid 903] ioctl(3, PPPIOCSMRU, 0 [pid 306] fstat(3 [pid 903] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 903] exit_group(0 [pid 306] getdents64(3 [pid 903] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 906] set_robust_list(0x555593f8a6a0, 24 [pid 904] <... close resumed>) = 0 [pid 903] +++ exited with 0 +++ [pid 902] sendfile(-1, -1, [3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./60/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./60") = 0 [pid 309] mkdir("./61", 0777 [pid 906] <... set_robust_list resumed>) = 0 [pid 904] symlink("/dev/binderfs", "./binderfs" [pid 902] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 906] rt_sigprocmask(SIG_SETMASK, [] [pid 904] <... symlink resumed>) = 0 [pid 902] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./61/binderfs" [pid 906] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 904] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 906] chdir("./58" executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] unlink("./61/binderfs" [pid 906] <... chdir resumed>) = 0 [pid 904] <... write resumed>) = 18 [pid 902] <... clone3 resumed>) = 908 [pid 306] <... unlink resumed>) = 0 [pid 906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 909 [pid 306] getdents64(3 [pid 906] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 906] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(3 [pid 906] <... setpgid resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rmdir("./61" [pid 906] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 906] write(3, "1000", 4 [pid 904] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] mkdir("./62", 0777ci2-android-6-1/strace-static-x86_64: Process 909 attached [pid 906] <... write resumed>) = 4 [pid 904] <... socket resumed>) = 3 [pid 902] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... mkdir resumed>) = 0 [pid 906] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 906] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 906] symlink("/dev/binderfs", "./binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 909] set_robust_list(0x555593f8a6a0, 24 [pid 904] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 902] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) ci2-android-6-1/strace-static-x86_64: Process 910 attached [pid 909] <... set_robust_list resumed>) = 0 [pid 906] <... symlink resumed>) = 0 [pid 910] set_robust_list(0x555593f8a6a0, 24 [pid 906] write(1, "executing program\n", 18 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 910 executing program [pid 910] <... set_robust_list resumed>) = 0 [pid 906] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 910] rt_sigprocmask(SIG_SETMASK, [] [pid 906] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 910] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 906] <... socket resumed>) = 3 [pid 910] chdir("./62" [pid 906] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 910] <... chdir resumed>) = 0 [pid 906] <... socket resumed>) = 4 [pid 910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 906] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 910] <... prctl resumed>) = 0 [pid 906] <... connect resumed>) = -1 EEXIST (File exists) [pid 910] setpgid(0, 0 [pid 906] sendfile(-1, -1, [3 [pid 910] <... setpgid resumed>) = 0 [pid 906] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 906] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 909] rt_sigprocmask(SIG_SETMASK, [] [pid 906] <... clone3 resumed>) = 911 [pid 910] <... openat resumed>) = 3 [pid 904] <... socket resumed>) = 4 [pid 902] exit_group(0 [pid 910] write(3, "1000", 4 [pid 906] ioctl(3, PPPIOCSMRU, 0 [pid 910] <... write resumed>) = 4 [pid 906] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 904] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 910] close(3 [pid 906] exit_group(0 [pid 902] <... exit_group resumed>) = ? [pid 904] <... connect resumed>) = -1 EEXIST (File exists) [pid 910] <... close resumed>) = 0 [pid 906] <... exit_group resumed>) = ? [pid 910] symlink("/dev/binderfs", "./binderfs" [pid 906] +++ exited with 0 +++ [pid 904] sendfile(-1, -1, [3 [pid 902] +++ exited with 0 +++ [pid 910] <... symlink resumed>) = 0 [pid 909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 904] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 910] write(1, "executing program\n", 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 904] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 910] <... write resumed>) = 18 [pid 910] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 910] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 910] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 910] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 910] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 909] chdir("./61" [pid 904] <... clone3 resumed>) = 912 [pid 307] <... restart_syscall resumed>) = 0 [pid 910] <... clone3 resumed>) = 913 [pid 310] <... restart_syscall resumed>) = 0 [pid 910] ioctl(3, PPPIOCSMRU, 0 [pid 904] ioctl(3, PPPIOCSMRU, 0 [pid 910] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 904] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 910] exit_group(0 [pid 310] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 910] <... exit_group resumed>) = ? [pid 904] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 910] +++ exited with 0 +++ [pid 909] <... chdir resumed>) = 0 [pid 904] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 904] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./58/binderfs" [pid 310] newfstatat(AT_FDCWD, "./58/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./58/binderfs" [pid 310] unlink("./58/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 310] close(3 [pid 307] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] rmdir("./58" [pid 310] rmdir("./58" [pid 307] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] mkdir("./59", 0777 [pid 909] <... prctl resumed>) = 0 [pid 310] mkdir("./59", 0777 [pid 909] setpgid(0, 0 [pid 307] <... mkdir resumed>) = 0 [pid 909] <... setpgid resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 914 attached [pid 909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 909] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 914 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 909] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 915 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 909] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 909] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 909] <... close resumed>) = 0 [pid 308] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 909] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./62/binderfs" [pid 909] <... symlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 909] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 3 executing program [pid 306] unlink("./62/binderfs" [pid 909] <... write resumed>) = 18 [pid 308] fstat(3 [pid 306] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 909] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./62" [pid 909] <... socket resumed>) = 3 [pid 308] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./63", 0777 [pid 909] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... mkdir resumed>) = 0 [pid 308] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 909] <... socket resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 915 attached [pid 914] set_robust_list(0x555593f8a6a0, 24 [pid 909] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 916 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./58/binderfs" [pid 909] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 916 attached [pid 916] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 916] chdir("./63") = 0 [pid 916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 916] setpgid(0, 0) = 0 [pid 916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 916] write(3, "1000", 4) = 4 [pid 916] close(3) = 0 [pid 916] symlink("/dev/binderfs", "./binderfs") = 0 [pid 916] write(1, "executing program\n", 18) = 18 executing program [pid 916] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 916] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 916] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 916] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 916] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 909] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 308] unlink("./58/binderfs" [pid 914] <... set_robust_list resumed>) = 0 [pid 909] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 916] <... clone3 resumed>) = 917 [pid 916] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... unlink resumed>) = 0 [pid 916] exit_group(0) = ? [pid 909] <... clone3 resumed>) = 918 [pid 308] getdents64(3 [pid 914] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 909] ioctl(3, PPPIOCSMRU, 0 [pid 308] close(3 [pid 914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 909] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 916] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 915] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 915] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 915] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 915] chdir("./59" [pid 909] exit_group(0 [pid 308] rmdir("./58" [pid 915] <... chdir resumed>) = 0 [pid 914] chdir("./59" [pid 915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 909] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 914] <... chdir resumed>) = 0 [pid 915] setpgid(0, 0) = 0 [pid 915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 909] +++ exited with 0 +++ [pid 308] mkdir("./59", 0777 [pid 914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 915] <... openat resumed>) = 3 [pid 915] write(3, "1000", 4 [pid 308] <... mkdir resumed>) = 0 [pid 914] <... prctl resumed>) = 0 [pid 915] <... write resumed>) = 4 [pid 915] close(3) = 0 [pid 915] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 914] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 914] <... setpgid resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 915] <... symlink resumed>) = 0 [pid 915] write(1, "executing program\n", 18) = 18 [pid 915] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 915] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [pid 914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 919 [pid 915] <... socket resumed>) = 4 [pid 915] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 915] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 915] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 914] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 914] write(3, "1000", 4 [pid 915] <... clone3 resumed>) = 920 [pid 914] <... write resumed>) = 4 [pid 915] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 915] exit_group(0) = ? [pid 914] close(3ci2-android-6-1/strace-static-x86_64: Process 919 attached ) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 914] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 919] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3 [pid 914] <... symlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 914] write(1, "executing program\n", 18 [pid 306] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./63/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./63" executing program [pid 309] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 914] <... write resumed>) = 18 [pid 914] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./64", 0777 [pid 919] <... set_robust_list resumed>) = 0 [pid 914] <... socket resumed>) = 3 [pid 309] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 914] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 914] <... socket resumed>) = 4 [pid 309] fstat(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 914] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 914] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 921 attached [pid 919] rt_sigprocmask(SIG_SETMASK, [] [pid 914] sendfile(-1, -1, [3 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 921 [pid 309] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./61/binderfs" [pid 914] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./61") = 0 [pid 309] mkdir("./62", 0777 [pid 921] set_robust_list(0x555593f8a6a0, 24 [pid 919] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 914] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 922 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 915] +++ exited with 0 +++ [pid 914] <... clone3 resumed>) = 923 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 310] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 914] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 914] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./59/binderfs" [pid 914] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 914] <... exit_group resumed>) = ? [pid 310] unlink("./59/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./59" [pid 914] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./60", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 921] <... set_robust_list resumed>) = 0 [pid 919] chdir("./59" [pid 310] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 921] rt_sigprocmask(SIG_SETMASK, [] [pid 919] <... chdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 924 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 922 attached [pid 922] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 922] chdir("./62" [pid 919] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-1/strace-static-x86_64: Process 924 attached [pid 921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 922] <... chdir resumed>) = 0 [pid 922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 922] setpgid(0, 0) = 0 [pid 922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 922] write(3, "1000", 4) = 4 [pid 922] close(3) = 0 [pid 922] symlink("/dev/binderfs", "./binderfs" [pid 919] <... prctl resumed>) = 0 [pid 922] <... symlink resumed>) = 0 [pid 922] write(1, "executing program\n", 18 [pid 921] chdir("./64" [pid 919] setpgid(0, 0 [pid 922] <... write resumed>) = 18 executing program [pid 922] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 922] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 922] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 922] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 922] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 919] <... setpgid resumed>) = 0 [pid 921] <... chdir resumed>) = 0 [pid 919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 922] <... clone3 resumed>) = 925 [pid 919] <... openat resumed>) = 3 [pid 921] <... prctl resumed>) = 0 [pid 922] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 919] write(3, "1000", 4 [pid 921] setpgid(0, 0 [pid 922] exit_group(0 [pid 919] <... write resumed>) = 4 [pid 922] <... exit_group resumed>) = ? [pid 921] <... setpgid resumed>) = 0 [pid 919] close(3) = 0 [pid 921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 919] symlink("/dev/binderfs", "./binderfs") = 0 [pid 921] <... openat resumed>) = 3 executing program [pid 919] write(1, "executing program\n", 18 [pid 924] set_robust_list(0x555593f8a6a0, 24 [pid 921] write(3, "1000", 4 [pid 919] <... write resumed>) = 18 [pid 919] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 921] <... write resumed>) = 4 [pid 919] <... socket resumed>) = 3 [pid 921] close(3 [pid 919] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 921] <... close resumed>) = 0 [pid 919] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 921] symlink("/dev/binderfs", "./binderfs" [pid 919] <... connect resumed>) = -1 EEXIST (File exists) [pid 919] sendfile(-1, -1, [3 [pid 922] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 921] <... symlink resumed>) = 0 [pid 919] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 921] write(1, "executing program\n", 18 [pid 919] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 307] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 921] <... write resumed>) = 18 [pid 919] <... clone3 resumed>) = 926 [pid 309] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./62/binderfs" [pid 307] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] unlink("./62/binderfs" [pid 307] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 921] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 919] ioctl(3, PPPIOCSMRU, 0 [pid 309] getdents64(3 [pid 307] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./59/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./62" [pid 307] unlink("./59/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] mkdir("./63", 0777 [pid 307] getdents64(3 [pid 921] <... socket resumed>) = 3 [pid 919] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 921] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(3 [pid 921] <... socket resumed>) = 4 [pid 919] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 921] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 919] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./59" [pid 921] <... connect resumed>) = -1 EEXIST (File exists) [pid 919] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 921] sendfile(-1, -1, [3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 927 [pid 307] mkdir("./60", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 924] <... set_robust_list resumed>) = 0 [pid 921] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... mkdir resumed>) = 0 [pid 921] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 921] <... clone3 resumed>) = 928 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 929 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 921] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 921] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 921] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 921] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 929 attached [pid 929] set_robust_list(0x555593f8a6a0, 24 [pid 308] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 929] <... set_robust_list resumed>) = 0 [pid 929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 929] chdir("./60") = 0 [pid 929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 929] setpgid(0, 0) = 0 [pid 921] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 306] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./59/binderfs" [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./64/binderfs" [pid 308] unlink("./59/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./64/binderfs" [pid 924] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] close(3 [pid 924] chdir("./60" [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] rmdir("./59" [pid 924] <... chdir resumed>) = 0 [pid 306] rmdir("./64"ci2-android-6-1/strace-static-x86_64: Process 927 attached [pid 929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 929] <... openat resumed>) = 3 [pid 927] set_robust_list(0x555593f8a6a0, 24 [pid 924] <... prctl resumed>) = 0 [pid 308] mkdir("./60", 0777 [pid 306] mkdir("./65", 0777 [pid 929] write(3, "1000", 4 [pid 927] <... set_robust_list resumed>) = 0 [pid 924] setpgid(0, 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 929] <... write resumed>) = 4 [pid 927] rt_sigprocmask(SIG_SETMASK, [] [pid 924] <... setpgid resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 929] close(3 [pid 927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 929] <... close resumed>) = 0 [pid 927] chdir("./63" [pid 924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 929] symlink("/dev/binderfs", "./binderfs" [pid 927] <... chdir resumed>) = 0 [pid 929] <... symlink resumed>) = 0 [pid 927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 924] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 930 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 931 [pid 929] write(1, "executing program\n", 18 [pid 927] <... prctl resumed>) = 0 [pid 924] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 929] <... write resumed>) = 18 [pid 927] setpgid(0, 0 [pid 924] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 929] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 927] <... setpgid resumed>) = 0 [pid 924] close(3 [pid 929] <... socket resumed>) = 3 [pid 927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 924] <... close resumed>) = 0 [pid 929] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 927] <... openat resumed>) = 3 [pid 929] <... socket resumed>) = 4 [pid 927] write(3, "1000", 4 [pid 929] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 927] <... write resumed>) = 4 [pid 929] <... connect resumed>) = -1 EEXIST (File exists) [pid 927] close(3 [pid 929] sendfile(-1, -1, [3 [pid 927] <... close resumed>) = 0 [pid 924] symlink("/dev/binderfs", "./binderfs" [pid 929] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 927] symlink("/dev/binderfs", "./binderfs" [pid 929] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 927] <... symlink resumed>) = 0 [pid 924] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 930 attached ci2-android-6-1/strace-static-x86_64: Process 931 attached [pid 929] <... clone3 resumed>) = 932 [pid 927] write(1, "executing program\n", 18 [pid 924] write(1, "executing program\n", 18 executing program executing program [pid 930] set_robust_list(0x555593f8a6a0, 24 [pid 929] ioctl(3, PPPIOCSMRU, 0 [pid 927] <... write resumed>) = 18 [pid 924] <... write resumed>) = 18 [pid 930] <... set_robust_list resumed>) = 0 [pid 929] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 927] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 924] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 930] rt_sigprocmask(SIG_SETMASK, [] [pid 929] exit_group(0 [pid 927] <... socket resumed>) = 3 [pid 930] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 929] <... exit_group resumed>) = ? [pid 927] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 924] <... socket resumed>) = 3 [pid 931] set_robust_list(0x555593f8a6a0, 24 [pid 929] +++ exited with 0 +++ [pid 924] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 930] chdir("./60" [pid 927] <... socket resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 930] <... chdir resumed>) = 0 [pid 927] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 924] <... socket resumed>) = 4 [pid 930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 927] <... connect resumed>) = -1 EEXIST (File exists) [pid 930] <... prctl resumed>) = 0 [pid 927] sendfile(-1, -1, [3 [pid 924] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 930] setpgid(0, 0 [pid 927] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 924] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 930] <... setpgid resumed>) = 0 [pid 927] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 924] sendfile(-1, -1, [3 [pid 307] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 931] <... set_robust_list resumed>) = 0 [pid 927] <... clone3 resumed>) = 933 [pid 924] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 930] <... openat resumed>) = 3 [pid 931] rt_sigprocmask(SIG_SETMASK, [] [pid 927] ioctl(3, PPPIOCSMRU, 0 [pid 924] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... openat resumed>) = 3 [pid 930] write(3, "1000", 4 [pid 931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 927] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 924] <... clone3 resumed>) = 934 [pid 307] fstat(3 [pid 930] <... write resumed>) = 4 [pid 931] chdir("./65" [pid 927] exit_group(0 [pid 924] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 930] close(3 [pid 931] <... chdir resumed>) = 0 [pid 927] <... exit_group resumed>) = ? [pid 924] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 930] <... close resumed>) = 0 [pid 931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 924] exit_group(0 [pid 307] getdents64(3 [pid 931] <... prctl resumed>) = 0 [pid 924] <... exit_group resumed>) = ? [pid 930] symlink("/dev/binderfs", "./binderfs" [pid 931] setpgid(0, 0 [pid 927] +++ exited with 0 +++ [pid 924] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 930] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 930] write(1, "executing program\n", 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 930] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 930] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] newfstatat(AT_FDCWD, "./60/binderfs" [pid 931] <... setpgid resumed>) = 0 [pid 930] <... socket resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 930] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] unlink("./60/binderfs" [pid 930] <... socket resumed>) = 4 [pid 931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... unlink resumed>) = 0 [pid 931] <... openat resumed>) = 3 [pid 931] write(3, "1000", 4) = 4 [pid 931] close(3) = 0 [pid 931] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] getdents64(3 [pid 931] write(1, "executing program\n", 18 [pid 930] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 930] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] close(3 [pid 930] sendfile(-1, -1, [3 [pid 307] <... close resumed>) = 0 [pid 930] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] rmdir("./60" [pid 930] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... rmdir resumed>) = 0 [pid 931] <... write resumed>) = 18 [pid 931] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 931] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 931] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 931] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 930] <... clone3 resumed>) = 935 [pid 931] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 executing program [pid 307] mkdir("./61", 0777 [pid 930] ioctl(3, PPPIOCSMRU, 0 [pid 931] <... clone3 resumed>) = 936 [pid 930] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 931] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... mkdir resumed>) = 0 [pid 931] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 930] exit_group(0 [pid 931] exit_group(0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 930] <... exit_group resumed>) = ? [pid 931] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 930] +++ exited with 0 +++ [pid 931] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 937 attached [pid 309] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 937] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 937 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 937] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 937] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 937] chdir("./61" [pid 310] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 937] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 937] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 937] setpgid(0, 0 [pid 310] fstat(3 [pid 309] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 937] <... setpgid resumed>) = 0 [pid 309] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 937] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./63/binderfs" [pid 937] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 937] <... write resumed>) = 4 [pid 309] unlink("./63/binderfs" [pid 937] close(3 [pid 309] <... unlink resumed>) = 0 [pid 937] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 937] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 937] <... symlink resumed>) = 0 [pid 310] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./60/binderfs" [pid 309] rmdir("./63" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] unlink("./60/binderfs" [pid 309] mkdir("./64", 0777 [pid 937] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 937] <... write resumed>) = 18 [pid 310] close(3ci2-android-6-1/strace-static-x86_64: Process 938 attached [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 938 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 937] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 937] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 937] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 937] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 937] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 938] set_robust_list(0x555593f8a6a0, 24 [pid 937] <... clone3 resumed>) = 939 [pid 310] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 937] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 937] exit_group(0 [pid 306] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 937] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 938] <... set_robust_list resumed>) = 0 [pid 937] +++ exited with 0 +++ [pid 310] rmdir("./60" [pid 306] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./65/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./61", 0777 [pid 306] rmdir("./65") = 0 [pid 308] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./66", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 938] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 940 attached [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 940 [pid 940] set_robust_list(0x555593f8a6a0, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 940] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 940] chdir("./66") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 940] setpgid(0, 0 [pid 307] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] <... setpgid resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 940] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 940] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 940] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3 [pid 938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 940] close(3 [pid 307] getdents64(3 [pid 940] <... close resumed>) = 0 [pid 938] chdir("./64" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 940] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 941 [pid 308] getdents64(3 [pid 307] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] <... symlink resumed>) = 0 [pid 938] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 940] write(1, "executing program\n", 18 [pid 938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./61/binderfs" [pid 940] <... write resumed>) = 18 [pid 938] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 940] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 938] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./60/binderfs" [pid 307] unlink("./61/binderfs"ci2-android-6-1/strace-static-x86_64: Process 941 attached [pid 940] <... socket resumed>) = 3 [pid 938] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 940] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] getdents64(3 [pid 940] <... socket resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 940] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] close(3 [pid 940] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 940] sendfile(-1, -1, [3 [pid 307] rmdir("./61" [pid 940] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... rmdir resumed>) = 0 [pid 940] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] mkdir("./62", 0777 [pid 941] set_robust_list(0x555593f8a6a0, 24 [pid 940] <... clone3 resumed>) = 942 [pid 938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] unlink("./60/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 940] ioctl(3, PPPIOCSMRU, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 940] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 940] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 940] <... exit_group resumed>) = ? [pid 941] <... set_robust_list resumed>) = 0 [pid 938] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 943 attached [pid 941] rt_sigprocmask(SIG_SETMASK, [] [pid 940] +++ exited with 0 +++ [pid 938] write(3, "1000", 4 [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 943 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 943] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 943] chdir("./62") = 0 [pid 943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 943] setpgid(0, 0) = 0 [pid 943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 943] write(3, "1000", 4) = 4 [pid 943] close(3) = 0 [pid 943] symlink("/dev/binderfs", "./binderfs") = 0 [pid 941] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 943] write(1, "executing program\n", 18) = 18 [pid 938] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 943] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 941] chdir("./61" [pid 308] close(3 [pid 938] close(3 [pid 943] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 941] <... chdir resumed>) = 0 [pid 938] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 943] <... socket resumed>) = 4 [pid 941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 938] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./60" [pid 306] <... restart_syscall resumed>) = 0 [pid 941] <... prctl resumed>) = 0 [pid 306] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 938] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 941] setpgid(0, 0 [pid 306] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 941] <... setpgid resumed>) = 0 [pid 938] write(1, "executing program\n", 18 [pid 308] mkdir("./61", 0777 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... mkdir resumed>) = 0 executing program [pid 306] unlink("./66/binderfs" [pid 941] <... openat resumed>) = 3 [pid 938] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... unlink resumed>) = 0 [pid 941] write(3, "1000", 4 [pid 938] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] getdents64(3 [pid 941] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 938] <... socket resumed>) = 3 [pid 306] close(3 [pid 941] close(3 [pid 938] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 941] <... close resumed>) = 0 [pid 938] <... socket resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./66" [pid 941] symlink("/dev/binderfs", "./binderfs" [pid 938] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./67", 0777) = 0 [pid 941] <... symlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 941] write(1, "executing program\n", 18 [pid 938] <... connect resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 944 executing program [pid 941] <... write resumed>) = 18 [pid 938] sendfile(-1, -1, [3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 945 ci2-android-6-1/strace-static-x86_64: Process 945 attached ci2-android-6-1/strace-static-x86_64: Process 944 attached [pid 943] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 941] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 938] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 945] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 945] chdir("./67") = 0 [pid 945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 941] <... socket resumed>) = 3 [pid 938] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 941] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 945] setpgid(0, 0) = 0 [pid 945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 945] write(3, "1000", 4) = 4 [pid 945] close(3) = 0 [pid 945] symlink("/dev/binderfs", "./binderfs") = 0 [pid 945] write(1, "executing program\n", 18) = 18 [pid 945] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 945] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 945] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 945] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 945] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 938] <... clone3 resumed>) = 946 executing program [pid 944] set_robust_list(0x555593f8a6a0, 24 [pid 943] <... connect resumed>) = -1 EEXIST (File exists) [pid 941] <... socket resumed>) = 4 [pid 938] ioctl(3, PPPIOCSMRU, 0 [pid 945] <... clone3 resumed>) = 947 [pid 944] <... set_robust_list resumed>) = 0 [pid 945] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 945] exit_group(0) = ? [pid 944] rt_sigprocmask(SIG_SETMASK, [] [pid 943] sendfile(-1, -1, [3 [pid 941] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 938] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 945] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 944] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 944] chdir("./61") = 0 [pid 944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 944] setpgid(0, 0) = 0 [pid 944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 943] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 944] write(3, "1000", 4) = 4 [pid 944] close(3) = 0 [pid 938] exit_group(0 [pid 944] symlink("/dev/binderfs", "./binderfs" [pid 943] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 941] <... connect resumed>) = -1 EEXIST (File exists) [pid 944] <... symlink resumed>) = 0 [pid 938] <... exit_group resumed>) = ? [pid 944] write(1, "executing program\n", 18) = 18 executing program [pid 944] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 944] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 944] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 944] sendfile(-1, -1, [3 [pid 943] <... clone3 resumed>) = 948 [pid 941] sendfile(-1, -1, [3 [pid 938] +++ exited with 0 +++ [pid 944] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 941] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 944] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 943] ioctl(3, PPPIOCSMRU, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 944] <... clone3 resumed>) = 949 [pid 943] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 941] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 944] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 943] exit_group(0 [pid 944] exit_group(0) = ? [pid 944] +++ exited with 0 +++ [pid 943] <... exit_group resumed>) = ? [pid 941] <... clone3 resumed>) = 950 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 309] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 943] +++ exited with 0 +++ [pid 941] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 941] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./67/binderfs" [pid 309] newfstatat(AT_FDCWD, "./64/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./67/binderfs" [pid 309] unlink("./64/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 941] exit_group(0 [pid 306] getdents64(3 [pid 309] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 306] close(3 [pid 309] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] rmdir("./67" [pid 941] <... exit_group resumed>) = ? [pid 309] rmdir("./64" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./68", 0777 [pid 309] mkdir("./65", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./62/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] unlink("./62/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 941] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 952 attached ci2-android-6-1/strace-static-x86_64: Process 951 attached [pid 308] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 951 [pid 952] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 952 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 952] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 952] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./62" [pid 952] chdir("./65" [pid 307] <... rmdir resumed>) = 0 [pid 952] <... chdir resumed>) = 0 [pid 307] mkdir("./63", 0777 [pid 952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 951] set_robust_list(0x555593f8a6a0, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 952] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 952] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 952] <... setpgid resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 951] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 953 attached [pid 952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 953] set_robust_list(0x555593f8a6a0, 24 [pid 952] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 953 [pid 953] <... set_robust_list resumed>) = 0 [pid 952] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 953] rt_sigprocmask(SIG_SETMASK, [] [pid 952] <... write resumed>) = 4 [pid 951] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 952] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 953] chdir("./63" [pid 952] <... close resumed>) = 0 [pid 953] <... chdir resumed>) = 0 [pid 952] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 952] <... symlink resumed>) = 0 [pid 951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 953] <... prctl resumed>) = 0 [pid 952] write(1, "executing program\n", 18 [pid 953] setpgid(0, 0 [pid 952] <... write resumed>) = 18 [pid 953] <... setpgid resumed>) = 0 [pid 952] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 952] <... socket resumed>) = 3 executing program [pid 310] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 953] <... openat resumed>) = 3 [pid 952] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 953] write(3, "1000", 4 [pid 952] <... socket resumed>) = 4 [pid 951] chdir("./68" [pid 308] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 953] <... write resumed>) = 4 [pid 952] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 953] close(3 [pid 952] <... connect resumed>) = -1 EEXIST (File exists) [pid 951] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 953] <... close resumed>) = 0 [pid 952] sendfile(-1, -1, [3 [pid 310] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./61/binderfs" [pid 953] symlink("/dev/binderfs", "./binderfs" [pid 952] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 953] <... symlink resumed>) = 0 [pid 952] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 953] write(1, "executing program\n", 18 executing program [pid 952] <... clone3 resumed>) = 954 [pid 951] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 953] <... write resumed>) = 18 [pid 952] ioctl(3, PPPIOCSMRU, 0 [pid 308] unlink("./61/binderfs" [pid 953] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 952] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 953] <... socket resumed>) = 3 [pid 952] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 953] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 952] <... exit_group resumed>) = ? [pid 310] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 953] <... socket resumed>) = 4 [pid 952] +++ exited with 0 +++ [pid 951] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 953] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] newfstatat(AT_FDCWD, "./61/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(3 [pid 953] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 953] sendfile(-1, -1, [3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 953] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 953] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 955 [pid 310] unlink("./61/binderfs" [pid 953] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 953] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 953] <... exit_group resumed>) = ? [pid 953] +++ exited with 0 +++ [pid 951] <... setpgid resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] rmdir("./61" [pid 309] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./65/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./65" [pid 310] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./66", 0777 [pid 951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 951] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 308] mkdir("./62", 0777ci2-android-6-1/strace-static-x86_64: Process 956 attached [pid 951] write(3, "1000", 4 [pid 310] rmdir("./61" [pid 307] <... restart_syscall resumed>) = 0 [pid 956] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 956 [pid 956] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 956] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 951] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 956] chdir("./66" [pid 951] close(3 [pid 310] mkdir("./62", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 956] <... chdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] fstat(3 [pid 956] <... prctl resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 956] setpgid(0, 0 [pid 307] getdents64(3 [pid 956] <... setpgid resumed>) = 0 [pid 951] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 951] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 956] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./63/binderfs" [pid 956] <... write resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 956] close(3 [pid 951] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 957 [pid 307] unlink("./63/binderfs" [pid 956] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 956] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 956] <... symlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 956] write(1, "executing program\n", 18 [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 958 attached ci2-android-6-1/strace-static-x86_64: Process 957 attached executing program [pid 956] <... write resumed>) = 18 [pid 951] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 958] set_robust_list(0x555593f8a6a0, 24 [pid 956] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] rmdir("./63" [pid 958] <... set_robust_list resumed>) = 0 [pid 956] <... socket resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 958] rt_sigprocmask(SIG_SETMASK, [] [pid 956] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [pid 307] mkdir("./64", 0777 [pid 958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 957] set_robust_list(0x555593f8a6a0, 24 [pid 956] <... socket resumed>) = 4 [pid 951] <... write resumed>) = 18 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 958 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 958] chdir("./62" [pid 957] <... set_robust_list resumed>) = 0 [pid 956] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 951] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 958] <... chdir resumed>) = 0 [pid 957] rt_sigprocmask(SIG_SETMASK, [] [pid 956] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 956] sendfile(-1, -1, [3 [pid 951] <... socket resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 958] <... prctl resumed>) = 0 [pid 957] chdir("./62" [pid 956] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 951] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IPci2-android-6-1/strace-static-x86_64: Process 959 attached [pid 958] setpgid(0, 0 [pid 957] <... chdir resumed>) = 0 [pid 956] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 959] set_robust_list(0x555593f8a6a0, 24 [pid 958] <... setpgid resumed>) = 0 [pid 957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 956] <... clone3 resumed>) = 960 [pid 951] <... socket resumed>) = 4 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 959 [pid 959] <... set_robust_list resumed>) = 0 [pid 958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 957] <... prctl resumed>) = 0 [pid 956] ioctl(3, PPPIOCSMRU, 0 [pid 951] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 959] rt_sigprocmask(SIG_SETMASK, [] [pid 958] <... openat resumed>) = 3 [pid 957] setpgid(0, 0 [pid 956] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 958] write(3, "1000", 4 [pid 957] <... setpgid resumed>) = 0 [pid 956] exit_group(0 [pid 959] chdir("./64" [pid 958] <... write resumed>) = 4 [pid 957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 956] <... exit_group resumed>) = ? [pid 959] <... chdir resumed>) = 0 [pid 958] close(3 [pid 957] <... openat resumed>) = 3 [pid 956] +++ exited with 0 +++ [pid 951] <... connect resumed>) = -1 EEXIST (File exists) [pid 959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 958] <... close resumed>) = 0 [pid 957] write(3, "1000", 4 [pid 959] <... prctl resumed>) = 0 [pid 958] symlink("/dev/binderfs", "./binderfs" [pid 957] <... write resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 959] setpgid(0, 0 [pid 958] <... symlink resumed>) = 0 [pid 957] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 959] <... setpgid resumed>) = 0 executing program [pid 958] write(1, "executing program\n", 18 [pid 957] <... close resumed>) = 0 [pid 959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 958] <... write resumed>) = 18 [pid 957] symlink("/dev/binderfs", "./binderfs" [pid 951] sendfile(-1, -1, [3 [pid 959] <... openat resumed>) = 3 [pid 958] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 957] <... symlink resumed>) = 0 [pid 959] write(3, "1000", 4 [pid 958] <... socket resumed>) = 3 [pid 957] write(1, "executing program\n", 18 [pid 951] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 959] <... write resumed>) = 4 executing program [pid 958] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 957] <... write resumed>) = 18 [pid 959] close(3 [pid 958] <... socket resumed>) = 4 [pid 957] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 951] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 959] <... close resumed>) = 0 [pid 958] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 957] <... socket resumed>) = 3 [pid 959] symlink("/dev/binderfs", "./binderfs" [pid 958] <... connect resumed>) = -1 EEXIST (File exists) [pid 957] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 959] <... symlink resumed>) = 0 [pid 958] sendfile(-1, -1, [3 [pid 957] <... socket resumed>) = 4 [pid 959] write(1, "executing program\n", 18 [pid 958] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 957] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 951] <... clone3 resumed>) = 961 [pid 959] <... write resumed>) = 18 [pid 958] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 957] <... connect resumed>) = -1 EEXIST (File exists) [pid 958] <... clone3 resumed>) = 962 [pid 951] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 951] exit_group(0 [pid 957] sendfile(-1, -1, [3 [pid 951] <... exit_group resumed>) = ? [pid 959] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 958] ioctl(3, PPPIOCSMRU, 0 [pid 957] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 959] <... socket resumed>) = 3 [pid 958] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 957] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 959] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 958] exit_group(0 [pid 957] <... clone3 resumed>) = 963 [pid 951] +++ exited with 0 +++ [pid 959] <... socket resumed>) = 4 [pid 958] <... exit_group resumed>) = ? [pid 957] ioctl(3, PPPIOCSMRU, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 959] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 958] +++ exited with 0 +++ [pid 957] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 959] <... connect resumed>) = -1 EEXIST (File exists) [pid 957] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 959] sendfile(-1, -1, [3 [pid 957] <... exit_group resumed>) = ? [pid 959] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 957] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 959] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 959] <... clone3 resumed>) = 964 [pid 309] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 959] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 959] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] fstat(3 [pid 306] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 959] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 959] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 306] fstat(3 [pid 959] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] newfstatat(AT_FDCWD, "./66/binderfs" [pid 306] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./66/binderfs" [pid 306] newfstatat(AT_FDCWD, "./68/binderfs" [pid 310] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 309] getdents64(3 [pid 306] unlink("./68/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] close(3 [pid 306] getdents64(3 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] rmdir("./66" [pid 306] close(3 [pid 310] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./67", 0777 [pid 306] rmdir("./68" [pid 310] newfstatat(AT_FDCWD, "./62/binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./69", 0777 [pid 310] unlink("./62/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 965 attached [pid 310] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 965] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 965 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 965] <... set_robust_list resumed>) = 0 [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 965] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 966 attached [pid 965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./62" [pid 966] set_robust_list(0x555593f8a6a0, 24 [pid 965] chdir("./67" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 966 [pid 966] <... set_robust_list resumed>) = 0 [pid 965] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 966] rt_sigprocmask(SIG_SETMASK, [] [pid 965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] mkdir("./63", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 966] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 965] <... prctl resumed>) = 0 [pid 966] chdir("./69" [pid 965] setpgid(0, 0 [pid 966] <... chdir resumed>) = 0 [pid 965] <... setpgid resumed>) = 0 [pid 966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 966] <... prctl resumed>) = 0 [pid 965] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 966] setpgid(0, 0 [pid 965] write(3, "1000", 4 [pid 966] <... setpgid resumed>) = 0 [pid 965] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 965] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 966] <... openat resumed>) = 3 [pid 965] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 966] write(3, "1000", 4 [pid 965] symlink("/dev/binderfs", "./binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 966] <... write resumed>) = 4 [pid 965] <... symlink resumed>) = 0 [pid 966] close(3 [pid 965] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 967 [pid 308] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 966] <... close resumed>) = 0 [pid 965] <... write resumed>) = 18 executing program [pid 308] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 967 attached [pid 966] symlink("/dev/binderfs", "./binderfs" [pid 965] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 966] <... symlink resumed>) = 0 [pid 308] getdents64(3 [pid 965] <... socket resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 967] set_robust_list(0x555593f8a6a0, 24 [pid 966] write(1, "executing program\n", 18 [pid 965] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 966] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 967] <... set_robust_list resumed>) = 0 [pid 966] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 965] <... socket resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./62/binderfs" [pid 307] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 966] <... socket resumed>) = 3 [pid 965] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 967] rt_sigprocmask(SIG_SETMASK, [] [pid 966] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 965] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] unlink("./62/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 966] <... socket resumed>) = 4 [pid 965] sendfile(-1, -1, [3 [pid 308] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 966] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 965] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] getdents64(3 [pid 967] chdir("./63" [pid 966] <... connect resumed>) = -1 EEXIST (File exists) [pid 965] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 967] <... chdir resumed>) = 0 [pid 966] sendfile(-1, -1, [3 [pid 308] close(3) = 0 [pid 308] rmdir("./62") = 0 [pid 308] mkdir("./63", 0777 [pid 967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 966] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 965] <... clone3 resumed>) = 968 [pid 307] fstat(3 [pid 967] <... prctl resumed>) = 0 [pid 966] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... mkdir resumed>) = 0 [pid 965] ioctl(3, PPPIOCSMRU, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 966] <... clone3 resumed>) = 969 [pid 965] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 967] setpgid(0, 0 [pid 307] getdents64(3 [pid 966] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 970 [pid 965] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 967] <... setpgid resumed>) = 0 [pid 966] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 965] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 966] exit_group(0 [pid 307] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 970 attached [pid 970] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 970] chdir("./63") = 0 [pid 965] +++ exited with 0 +++ [pid 970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 966] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./64/binderfs" [pid 970] <... prctl resumed>) = 0 [pid 970] setpgid(0, 0) = 0 [pid 970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 966] +++ exited with 0 +++ [pid 970] write(3, "1000", 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] unlink("./64/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 970] <... write resumed>) = 4 [pid 970] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 970] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 970] symlink("/dev/binderfs", "./binderfs" [pid 307] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 967] <... openat resumed>) = 3 [pid 307] rmdir("./64" [pid 967] write(3, "1000", 4 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 967] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./65", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 970] <... symlink resumed>) = 0 [pid 970] write(1, "executing program\n", 18) = 18 [pid 970] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... mkdir resumed>) = 0 [pid 970] <... socket resumed>) = 3 [pid 970] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] <... close resumed>) = 0 executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 967] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./67/binderfs" [pid 970] <... socket resumed>) = 4 [pid 970] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 970] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 971 [pid 970] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 971 attached [pid 967] <... symlink resumed>) = 0 [pid 309] unlink("./67/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 971] set_robust_list(0x555593f8a6a0, 24 [pid 970] <... clone3 resumed>) = 972 executing program [pid 967] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 970] ioctl(3, PPPIOCSMRU, 0 [pid 967] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 970] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 967] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 971] <... set_robust_list resumed>) = 0 [pid 970] exit_group(0 [pid 306] getdents64(3 [pid 970] <... exit_group resumed>) = ? [pid 971] rt_sigprocmask(SIG_SETMASK, [] [pid 970] +++ exited with 0 +++ [pid 967] <... socket resumed>) = 3 [pid 309] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 967] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] <... socket resumed>) = 4 [pid 309] rmdir("./67" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 971] chdir("./65" [pid 967] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 967] sendfile(-1, -1, [3 [pid 306] newfstatat(AT_FDCWD, "./69/binderfs" [pid 967] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./68", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 971] <... chdir resumed>) = 0 [pid 967] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] unlink("./69/binderfs" [pid 971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 967] <... clone3 resumed>) = 973 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 967] ioctl(3, PPPIOCSMRU, 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... unlink resumed>) = 0 [pid 967] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 967] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 967] <... exit_group resumed>) = ? [pid 308] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./63/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 308] close(3) = 0 [pid 308] rmdir("./63") = 0 [pid 308] mkdir("./64", 0777 [pid 967] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 974 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 971] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./69" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 974 attached [pid 971] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 975 attached [pid 974] set_robust_list(0x555593f8a6a0, 24 [pid 971] <... setpgid resumed>) = 0 [pid 306] mkdir("./70", 0777 [pid 975] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 975 [pid 975] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 975] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 975] chdir("./64" [pid 971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 975] <... chdir resumed>) = 0 [pid 975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 975] setpgid(0, 0) = 0 [pid 975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 971] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 976 [pid 975] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 975] <... write resumed>) = 4 [pid 971] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 976 attached [pid 975] close(3 [pid 974] <... set_robust_list resumed>) = 0 [pid 971] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 975] <... close resumed>) = 0 [pid 310] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 971] close(3 [pid 975] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 975] <... symlink resumed>) = 0 [pid 971] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 976] set_robust_list(0x555593f8a6a0, 24 [pid 975] write(1, "executing program\n", 18 executing program [pid 974] rt_sigprocmask(SIG_SETMASK, [] [pid 971] symlink("/dev/binderfs", "./binderfs" [pid 976] <... set_robust_list resumed>) = 0 [pid 975] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 3 [pid 975] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] fstat(3 [pid 975] <... socket resumed>) = 3 [pid 974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 971] <... symlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 975] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 974] chdir("./68" [pid 971] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 975] <... socket resumed>) = 4 executing program [pid 974] <... chdir resumed>) = 0 [pid 971] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 976] rt_sigprocmask(SIG_SETMASK, [] [pid 975] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 971] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 976] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 975] <... connect resumed>) = -1 EEXIST (File exists) [pid 974] <... prctl resumed>) = 0 [pid 971] <... socket resumed>) = 3 [pid 976] chdir("./70" [pid 974] setpgid(0, 0 [pid 971] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 976] <... chdir resumed>) = 0 [pid 974] <... setpgid resumed>) = 0 [pid 971] <... socket resumed>) = 4 [pid 976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 971] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] newfstatat(AT_FDCWD, "./63/binderfs" [pid 976] <... prctl resumed>) = 0 [pid 974] <... openat resumed>) = 3 [pid 971] <... connect resumed>) = -1 EEXIST (File exists) [pid 976] setpgid(0, 0 [pid 975] sendfile(-1, -1, [3 [pid 974] write(3, "1000", 4 [pid 971] sendfile(-1, -1, [3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 976] <... setpgid resumed>) = 0 [pid 974] <... write resumed>) = 4 [pid 971] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./63/binderfs" [pid 976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 975] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 974] close(3 [pid 971] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 975] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... unlink resumed>) = 0 [pid 975] <... clone3 resumed>) = 977 [pid 310] getdents64(3 [pid 976] <... openat resumed>) = 3 [pid 975] ioctl(3, PPPIOCSMRU, 0 [pid 974] <... close resumed>) = 0 [pid 971] <... clone3 resumed>) = 978 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 976] write(3, "1000", 4 [pid 975] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 974] symlink("/dev/binderfs", "./binderfs" [pid 971] ioctl(3, PPPIOCSMRU, 0 [pid 310] close(3 [pid 976] <... write resumed>) = 4 [pid 974] <... symlink resumed>) = 0 [pid 971] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 976] close(3 [pid 975] exit_group(0 [pid 974] write(1, "executing program\n", 18 [pid 971] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 976] <... close resumed>) = 0 [pid 974] <... write resumed>) = 18 executing program [pid 971] <... exit_group resumed>) = ? [pid 310] rmdir("./63" [pid 976] symlink("/dev/binderfs", "./binderfs" [pid 975] <... exit_group resumed>) = ? executing program [pid 974] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 971] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 976] <... symlink resumed>) = 0 [pid 974] <... socket resumed>) = 3 [pid 310] mkdir("./64", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 976] write(1, "executing program\n", 18 [pid 974] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 976] <... write resumed>) = 18 [pid 974] <... socket resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 976] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 974] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... mkdir resumed>) = 0 [pid 976] <... socket resumed>) = 3 [pid 974] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 976] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 975] +++ exited with 0 +++ [pid 974] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 976] <... socket resumed>) = 4 [pid 974] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 976] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 974] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 979 attached [pid 976] <... connect resumed>) = -1 EEXIST (File exists) [pid 974] <... clone3 resumed>) = 980 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 3 [pid 976] sendfile(-1, -1, [3 [pid 974] ioctl(3, PPPIOCSMRU, 0 [pid 307] fstat(3 [pid 976] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 974] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 976] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 974] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 979 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 979] set_robust_list(0x555593f8a6a0, 24 [pid 976] <... clone3 resumed>) = 981 [pid 974] <... exit_group resumed>) = ? [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 979] <... set_robust_list resumed>) = 0 [pid 976] ioctl(3, PPPIOCSMRU, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 976] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 974] +++ exited with 0 +++ [pid 979] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 976] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 976] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./65/binderfs" [pid 979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 976] +++ exited with 0 +++ [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./65/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./65") = 0 [pid 307] mkdir("./66", 0777 [pid 979] chdir("./64" [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 979] <... chdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 979] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-1/strace-static-x86_64: Process 982 attached ) = 0 [pid 979] setpgid(0, 0) = 0 [pid 979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 979] write(3, "1000", 4 [pid 982] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 982 [pid 982] <... set_robust_list resumed>) = 0 [pid 979] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 982] rt_sigprocmask(SIG_SETMASK, [] [pid 979] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... close resumed>) = 0 [pid 982] chdir("./66" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 982] <... chdir resumed>) = 0 [pid 979] symlink("/dev/binderfs", "./binderfs" [pid 309] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 3 [pid 982] <... prctl resumed>) = 0 [pid 309] fstat(3 [pid 308] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 982] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 982] <... setpgid resumed>) = 0 [pid 979] <... symlink resumed>) = 0 [pid 309] getdents64(3 [pid 982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 982] <... openat resumed>) = 3 [pid 309] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 982] write(3, "1000", 4 [pid 979] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 982] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./68/binderfs" [pid 982] close(3 [pid 979] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 308] <... openat resumed>) = 3 [pid 982] <... close resumed>) = 0 [pid 309] unlink("./68/binderfs" [pid 982] symlink("/dev/binderfs", "./binderfs" [pid 979] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 982] <... symlink resumed>) = 0 [pid 979] <... socket resumed>) = 3 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 982] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 982] <... write resumed>) = 18 [pid 979] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] close(3 executing program [pid 308] getdents64(3 [pid 982] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 979] <... socket resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 982] <... socket resumed>) = 3 [pid 309] rmdir("./68" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 982] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 982] <... socket resumed>) = 4 [pid 309] mkdir("./69", 0777 [pid 308] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 982] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 979] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 982] <... connect resumed>) = -1 EEXIST (File exists) [pid 979] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./64/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 982] sendfile(-1, -1, [3 [pid 979] sendfile(-1, -1, [3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 982] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 979] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] unlink("./64/binderfs" [pid 982] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 979] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 979] <... clone3 resumed>) = 984 [pid 308] getdents64(3 [pid 982] <... clone3 resumed>) = 985 [pid 979] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 983 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 983 attached [pid 982] ioctl(3, PPPIOCSMRU, 0 [pid 979] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 979] <... exit_group resumed>) = ? [pid 308] rmdir("./64" [pid 983] set_robust_list(0x555593f8a6a0, 24 [pid 982] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] newfstatat(AT_FDCWD, "./70/binderfs" [pid 983] <... set_robust_list resumed>) = 0 [pid 982] exit_group(0 [pid 979] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./65", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] rt_sigprocmask(SIG_SETMASK, [] [pid 982] <... exit_group resumed>) = ? [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./70/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... unlink resumed>) = 0 [pid 982] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 986 [pid 306] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 986 attached ) = 3 [pid 306] rmdir("./70" [pid 307] fstat(3 [pid 986] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] mkdir("./71", 0777 [pid 986] <... set_robust_list resumed>) = 0 [pid 307] getdents64(3 [pid 986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 986] chdir("./65") = 0 [pid 986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... mkdir resumed>) = 0 [pid 986] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 986] setpgid(0, 0 [pid 307] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./66/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 986] <... setpgid resumed>) = 0 [pid 983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] chdir("./69" [pid 307] unlink("./66/binderfs"ci2-android-6-1/strace-static-x86_64: Process 987 attached [pid 986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... unlink resumed>) = 0 [pid 987] set_robust_list(0x555593f8a6a0, 24 [pid 986] <... openat resumed>) = 3 [pid 983] <... chdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 987 [pid 987] <... set_robust_list resumed>) = 0 [pid 983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 986] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 987] rt_sigprocmask(SIG_SETMASK, [] [pid 983] setpgid(0, 0 [pid 307] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 986] <... write resumed>) = 4 [pid 986] close(3 [pid 987] chdir("./71" [pid 983] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./66" [pid 986] <... close resumed>) = 0 [pid 986] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 986] <... symlink resumed>) = 0 [pid 307] mkdir("./67", 0777 [pid 983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 987] <... chdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 986] write(1, "executing program\n", 18 [pid 983] <... openat resumed>) = 3 executing program [pid 310] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 987] <... prctl resumed>) = 0 [pid 983] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 987] setpgid(0, 0 [pid 986] <... write resumed>) = 18 [pid 983] <... write resumed>) = 4 [pid 310] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 987] <... setpgid resumed>) = 0 [pid 986] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 983] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 983] <... close resumed>) = 0 [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 988 attached [pid 987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 986] <... socket resumed>) = 3 [pid 983] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 988 [pid 988] set_robust_list(0x555593f8a6a0, 24 [pid 987] <... openat resumed>) = 3 [pid 986] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 983] <... symlink resumed>) = 0 [pid 310] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 983] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./64/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 983] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] <... socket resumed>) = 3 [pid 310] unlink("./64/binderfs" [pid 988] <... set_robust_list resumed>) = 0 [pid 987] write(3, "1000", 4 [pid 986] <... socket resumed>) = 4 [pid 983] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... unlink resumed>) = 0 [pid 988] rt_sigprocmask(SIG_SETMASK, [] [pid 987] <... write resumed>) = 4 [pid 986] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 983] <... socket resumed>) = 4 [pid 310] getdents64(3 [pid 988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 987] close(3 [pid 986] <... connect resumed>) = -1 EEXIST (File exists) [pid 983] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 988] chdir("./67" [pid 987] <... close resumed>) = 0 [pid 986] sendfile(-1, -1, [3 [pid 983] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 988] <... chdir resumed>) = 0 [pid 987] symlink("/dev/binderfs", "./binderfs" [pid 986] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 983] sendfile(-1, -1, [3 [pid 988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 987] <... symlink resumed>) = 0 [pid 986] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 983] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 988] <... prctl resumed>) = 0 [pid 987] write(1, "executing program\n", 18 [pid 986] <... clone3 resumed>) = 989 [pid 983] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 executing program [pid 310] close(3 [pid 988] setpgid(0, 0 [pid 987] <... write resumed>) = 18 [pid 986] ioctl(3, PPPIOCSMRU, 0 [pid 983] <... clone3 resumed>) = 990 [pid 988] <... setpgid resumed>) = 0 [pid 987] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 986] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 983] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... close resumed>) = 0 [pid 988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 987] <... socket resumed>) = 3 [pid 986] exit_group(0 [pid 983] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rmdir("./64" [pid 988] <... openat resumed>) = 3 [pid 987] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 986] <... exit_group resumed>) = ? [pid 983] exit_group(0 [pid 988] write(3, "1000", 4 [pid 987] <... socket resumed>) = 4 [pid 983] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 988] <... write resumed>) = 4 [pid 986] +++ exited with 0 +++ [pid 983] +++ exited with 0 +++ [pid 310] mkdir("./65", 0777 [pid 987] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 988] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 988] <... close resumed>) = 0 [pid 987] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 988] symlink("/dev/binderfs", "./binderfs" [pid 987] sendfile(-1, -1, [3 [pid 988] <... symlink resumed>) = 0 [pid 987] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 988] write(1, "executing program\n", 18 executing program [pid 987] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 988] <... write resumed>) = 18 [pid 987] <... clone3 resumed>) = 991 [pid 988] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 987] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 988] <... socket resumed>) = 3 [pid 987] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 988] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 987] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 988] <... socket resumed>) = 4 [pid 987] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 988] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 987] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 988] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 988] sendfile(-1, -1, [3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 992 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 988] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 988] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 992 attached [pid 988] <... clone3 resumed>) = 993 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... restart_syscall resumed>) = 0 [pid 988] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 988] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] fstat(3 [pid 988] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 988] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 992] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 988] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./69/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./69") = 0 [pid 309] mkdir("./70", 0777 [pid 992] <... set_robust_list resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 994 attached [pid 992] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 994] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 994 [pid 994] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 994] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 994] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 994] chdir("./70") = 0 [pid 994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 994] setpgid(0, 0) = 0 [pid 994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 994] write(3, "1000", 4) = 4 [pid 994] close(3) = 0 [pid 994] symlink("/dev/binderfs", "./binderfs" [pid 992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 994] <... symlink resumed>) = 0 [pid 994] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 994] <... write resumed>) = 18 executing program [pid 308] fstat(3 [pid 994] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 994] <... socket resumed>) = 3 [pid 308] getdents64(3 [pid 306] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 994] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 994] <... socket resumed>) = 4 [pid 306] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 994] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 994] <... connect resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 994] sendfile(-1, -1, [3 [pid 308] newfstatat(AT_FDCWD, "./65/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 994] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 994] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] unlink("./65/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 994] <... clone3 resumed>) = 995 [pid 992] chdir("./65" [pid 308] <... unlink resumed>) = 0 [pid 306] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 994] ioctl(3, PPPIOCSMRU, 0 [pid 992] <... chdir resumed>) = 0 [pid 308] getdents64(3 [pid 994] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 994] exit_group(0 [pid 992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] close(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./71/binderfs" [pid 994] <... exit_group resumed>) = ? [pid 308] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 992] <... prctl resumed>) = 0 [pid 308] rmdir("./65" [pid 994] +++ exited with 0 +++ [pid 306] unlink("./71/binderfs" [pid 992] setpgid(0, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 992] <... setpgid resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] mkdir("./66", 0777 [pid 306] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 3 [pid 306] close(3 [pid 992] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(3 [pid 306] <... close resumed>) = 0 [pid 992] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./71" [pid 992] <... write resumed>) = 4 [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 996 attached [pid 992] close(3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 996 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] mkdir("./72", 0777 [pid 996] set_robust_list(0x555593f8a6a0, 24 [pid 992] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 996] <... set_robust_list resumed>) = 0 [pid 992] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./67/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 996] rt_sigprocmask(SIG_SETMASK, [] [pid 992] <... symlink resumed>) = 0 [pid 309] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 992] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] unlink("./67/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 996] chdir("./66" [pid 992] <... write resumed>) = 18 [pid 309] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 997 attached [pid 996] <... chdir resumed>) = 0 [pid 992] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 997] set_robust_list(0x555593f8a6a0, 24 [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 997 [pid 997] <... set_robust_list resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 997] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rmdir("./67" [pid 997] chdir("./72" [pid 996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 992] <... socket resumed>) = 3 [pid 309] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 997] <... chdir resumed>) = 0 [pid 996] <... prctl resumed>) = 0 [pid 992] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./68", 0777 [pid 997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 996] setpgid(0, 0 [pid 992] <... socket resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./70/binderfs" [pid 997] <... prctl resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 997] setpgid(0, 0 [pid 996] <... setpgid resumed>) = 0 [pid 992] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] unlink("./70/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 997] <... setpgid resumed>) = 0 [pid 996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 992] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 992] sendfile(-1, -1, [3 [pid 309] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 997] <... openat resumed>) = 3 [pid 996] <... openat resumed>) = 3 [pid 992] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 998 attached [pid 997] write(3, "1000", 4 [pid 996] write(3, "1000", 4 [pid 992] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] close(3 [pid 998] set_robust_list(0x555593f8a6a0, 24 [pid 997] <... write resumed>) = 4 [pid 996] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 998 [pid 998] <... set_robust_list resumed>) = 0 [pid 997] close(3 [pid 309] rmdir("./70" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 998] rt_sigprocmask(SIG_SETMASK, [] [pid 997] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 997] symlink("/dev/binderfs", "./binderfs" [pid 996] close(3 [pid 992] <... clone3 resumed>) = 999 [pid 309] mkdir("./71", 0777 [pid 998] chdir("./68" [pid 997] <... symlink resumed>) = 0 [pid 996] <... close resumed>) = 0 [pid 992] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... mkdir resumed>) = 0 [pid 998] <... chdir resumed>) = 0 executing program [pid 997] write(1, "executing program\n", 18 [pid 996] symlink("/dev/binderfs", "./binderfs" [pid 992] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 997] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 998] <... prctl resumed>) = 0 [pid 997] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 998] setpgid(0, 0 [pid 997] <... socket resumed>) = 3 [pid 996] <... symlink resumed>) = 0 [pid 992] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 1000 attached [pid 998] <... setpgid resumed>) = 0 [pid 997] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 996] write(1, "executing program\n", 18 [pid 992] <... exit_group resumed>) = ? [pid 1000] set_robust_list(0x555593f8a6a0, 24 [pid 998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 997] <... socket resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1000 [pid 1000] <... set_robust_list resumed>) = 0 [pid 998] <... openat resumed>) = 3 [pid 997] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1000] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 998] write(3, "1000", 4 [pid 997] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 992] +++ exited with 0 +++ [pid 1000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 998] <... write resumed>) = 4 [pid 997] sendfile(-1, -1, [3 [pid 996] <... write resumed>) = 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1000] chdir("./71" [pid 998] close(3 [pid 997] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 996] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 996] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1000] <... chdir resumed>) = 0 [pid 998] <... close resumed>) = 0 [pid 997] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 996] <... socket resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 998] symlink("/dev/binderfs", "./binderfs" [pid 997] <... clone3 resumed>) = 1001 [pid 1000] <... prctl resumed>) = 0 [pid 998] <... symlink resumed>) = 0 [pid 997] ioctl(3, PPPIOCSMRU, 0 [pid 996] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 998] write(1, "executing program\n", 18 [pid 997] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 996] <... connect resumed>) = -1 EEXIST (File exists) [pid 998] <... write resumed>) = 18 [pid 997] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 998] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 997] <... exit_group resumed>) = ? [pid 996] sendfile(-1, -1, [3 [pid 310] fstat(3 [pid 1000] setpgid(0, 0 [pid 998] <... socket resumed>) = 3 [pid 997] +++ exited with 0 +++ [pid 998] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 998] <... socket resumed>) = 4 [pid 998] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 998] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 998] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1000] <... setpgid resumed>) = 0 [pid 996] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 998] <... clone3 resumed>) = 1002 [pid 996] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] getdents64(3 [pid 998] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 998] exit_group(0) = ? [pid 1000] <... openat resumed>) = 3 [pid 998] +++ exited with 0 +++ [pid 996] <... clone3 resumed>) = 1003 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 996] ioctl(3, PPPIOCSMRU, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1000] write(3, "1000", 4 [pid 996] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 996] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1000] <... write resumed>) = 4 [pid 996] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./65/binderfs" [pid 1000] close(3) = 0 [pid 1000] symlink("/dev/binderfs", "./binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 996] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./65/binderfs" [pid 307] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] fstat(3 [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 310] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./65" [pid 307] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1000] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] unlink("./68/binderfs" [pid 1000] write(1, "executing program\n", 18 [pid 310] mkdir("./66", 0777 [pid 307] <... unlink resumed>) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./68") = 0 executing program [pid 307] mkdir("./69", 0777 [pid 1000] <... write resumed>) = 18 [pid 310] <... mkdir resumed>) = 0 [pid 1000] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 1000] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1000] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1000] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 1005 attached ci2-android-6-1/strace-static-x86_64: Process 1004 attached [pid 1000] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1004 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1005 [pid 1005] set_robust_list(0x555593f8a6a0, 24 [pid 1004] set_robust_list(0x555593f8a6a0, 24 [pid 1000] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1005] <... set_robust_list resumed>) = 0 [pid 1004] <... set_robust_list resumed>) = 0 [pid 1000] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1005] rt_sigprocmask(SIG_SETMASK, [] [pid 1004] rt_sigprocmask(SIG_SETMASK, [] [pid 1000] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1004] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1000] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1005] chdir("./69" [pid 1004] chdir("./66" [pid 1005] <... chdir resumed>) = 0 [pid 1004] <... chdir resumed>) = 0 [pid 1005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1005] <... prctl resumed>) = 0 [pid 1004] <... prctl resumed>) = 0 [pid 1005] setpgid(0, 0 [pid 1004] setpgid(0, 0 [pid 1005] <... setpgid resumed>) = 0 [pid 1004] <... setpgid resumed>) = 0 [pid 1005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1000] <... clone3 resumed>) = 1006 [pid 1005] <... openat resumed>) = 3 [pid 1004] <... openat resumed>) = 3 [pid 1000] ioctl(3, PPPIOCSMRU, 0 [pid 1005] write(3, "1000", 4 [pid 1004] write(3, "1000", 4 [pid 1005] <... write resumed>) = 4 [pid 1004] <... write resumed>) = 4 [pid 1005] close(3 [pid 1004] close(3 [pid 1005] <... close resumed>) = 0 [pid 1004] <... close resumed>) = 0 [pid 1000] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1005] symlink("/dev/binderfs", "./binderfs" [pid 1004] symlink("/dev/binderfs", "./binderfs" [pid 1005] <... symlink resumed>) = 0 [pid 1004] <... symlink resumed>) = 0 [pid 1000] exit_group(0 [pid 1005] write(1, "executing program\n", 18 [pid 1004] write(1, "executing program\n", 18 [pid 1005] <... write resumed>) = 18 [pid 1004] <... write resumed>) = 18 executing program executing program [pid 1005] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1004] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1005] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1004] <... socket resumed>) = 3 [pid 1005] <... socket resumed>) = 4 [pid 1000] <... exit_group resumed>) = ? [pid 1005] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1004] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1005] <... connect resumed>) = -1 EEXIST (File exists) [pid 1004] <... socket resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 1005] sendfile(-1, -1, [3 [pid 1004] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1000] +++ exited with 0 +++ [pid 1005] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1004] <... connect resumed>) = -1 EEXIST (File exists) [pid 1005] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1004] sendfile(-1, -1, [3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1005] <... clone3 resumed>) = 1007 [pid 1004] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1005] ioctl(3, PPPIOCSMRU, 0 [pid 1004] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1005] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1004] <... clone3 resumed>) = 1008 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 1005] exit_group(0 [pid 1004] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 308] getdents64(3 [pid 1005] <... exit_group resumed>) = ? [pid 1004] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] unlink("./66/binderfs") = 0 [pid 306] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1005] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./72/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1004] exit_group(0 [pid 308] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./66" [pid 1004] <... exit_group resumed>) = ? [pid 309] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] unlink("./72/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./67", 0777 [pid 309] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1004] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 309] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 307] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1009 [pid 307] <... openat resumed>) = 3 [pid 306] rmdir("./72" [pid 309] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./71/binderfs" [pid 306] mkdir("./73", 0777 [pid 307] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 1009 attached [pid 1009] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1009] chdir("./67" [pid 306] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] unlink("./71/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1009] <... chdir resumed>) = 0 [pid 1009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./69/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1009] <... prctl resumed>) = 0 [pid 1009] setpgid(0, 0) = 0 [pid 1009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] unlink("./69/binderfs" [pid 309] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1010 [pid 1009] <... openat resumed>) = 3 [pid 1009] write(3, "1000", 4 [pid 307] <... unlink resumed>) = 0 [pid 309] rmdir("./71" [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1009] <... write resumed>) = 4 [pid 1009] close(3) = 0 [pid 1009] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./72", 0777 [pid 307] close(3 [pid 1009] <... symlink resumed>) = 0 [pid 1009] write(1, "executing program\n", 18) = 18 executing program ci2-android-6-1/strace-static-x86_64: Process 1010 attached [pid 309] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./69" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./70", 0777ci2-android-6-1/strace-static-x86_64: Process 1011 attached [pid 1010] set_robust_list(0x555593f8a6a0, 24 [pid 1009] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1011 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1011] set_robust_list(0x555593f8a6a0, 24 [pid 1010] <... set_robust_list resumed>) = 0 [pid 1009] <... socket resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 1012 attached [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1012 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1012] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1012] chdir("./70" [pid 1011] <... set_robust_list resumed>) = 0 [pid 1009] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1012] <... chdir resumed>) = 0 [pid 1012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1012] setpgid(0, 0) = 0 [pid 1012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1009] <... socket resumed>) = 4 [pid 1012] write(3, "1000", 4) = 4 [pid 1012] close(3) = 0 [pid 1012] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1009] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 executing program [pid 1012] write(1, "executing program\n", 18) = 18 [pid 1012] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1012] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1012] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1012] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1012] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1013 [pid 1012] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1012] exit_group(0) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 1009] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1009] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1012] +++ exited with 0 +++ [pid 1009] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1009] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] fstat(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./66/binderfs" [pid 1010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./66/binderfs" [pid 1010] chdir("./73") = 0 [pid 310] <... unlink resumed>) = 0 [pid 1010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 1010] <... prctl resumed>) = 0 [pid 1010] setpgid(0, 0) = 0 [pid 1010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1010] write(3, "1000", 4) = 4 [pid 1010] close(3) = 0 [pid 1010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1010] write(1, "executing program\n", 18 [pid 310] close(3 [pid 1010] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 1010] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rmdir("./66" [pid 1010] <... socket resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 executing program [pid 1010] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] mkdir("./67", 0777 [pid 1010] <... socket resumed>) = 4 [pid 1010] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1010] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1010] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1014 attached [pid 1011] rt_sigprocmask(SIG_SETMASK, [] [pid 1010] <... clone3 resumed>) = 1016 [pid 1009] <... clone3 resumed>) = 1015 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1014 [pid 1014] set_robust_list(0x555593f8a6a0, 24 [pid 1011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1010] ioctl(3, PPPIOCSMRU, 0 [pid 1009] ioctl(3, PPPIOCSMRU, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1014] <... set_robust_list resumed>) = 0 [pid 1011] chdir("./72" [pid 1010] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1009] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1014] chdir("./67" [pid 1010] exit_group(0 [pid 1009] exit_group(0 [pid 1011] <... chdir resumed>) = 0 [pid 1010] <... exit_group resumed>) = ? [pid 1014] <... chdir resumed>) = 0 [pid 1014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1014] setpgid(0, 0) = 0 [pid 1014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1009] <... exit_group resumed>) = ? [pid 1014] <... openat resumed>) = 3 [pid 1014] write(3, "1000", 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 1014] <... write resumed>) = 4 [pid 1014] close(3 [pid 1010] +++ exited with 0 +++ [pid 1014] <... close resumed>) = 0 [pid 307] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1014] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1014] <... symlink resumed>) = 0 [pid 1011] <... prctl resumed>) = 0 [pid 1009] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1014] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 [pid 1014] <... write resumed>) = 18 executing program [pid 307] fstat(3 [pid 1014] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1014] <... socket resumed>) = 3 [pid 307] getdents64(3 [pid 1014] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1014] <... socket resumed>) = 4 [pid 307] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1014] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1014] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] newfstatat(AT_FDCWD, "./70/binderfs" [pid 1014] sendfile(-1, -1, [3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1014] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] unlink("./70/binderfs" [pid 1014] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... unlink resumed>) = 0 [pid 1011] setpgid(0, 0) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1014] <... clone3 resumed>) = 1017 [pid 1011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 1014] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1014] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] close(3 [pid 1014] exit_group(0 [pid 1011] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 1014] <... exit_group resumed>) = ? [pid 1011] write(3, "1000", 4 [pid 307] rmdir("./70" [pid 1011] <... write resumed>) = 4 [pid 1014] +++ exited with 0 +++ [pid 1011] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1011] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] mkdir("./71", 0777 [pid 1011] <... symlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1011] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1011] <... write resumed>) = 18 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1011] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1011] <... socket resumed>) = 3 [pid 308] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1011] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1018 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1011] <... socket resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1011] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... openat resumed>) = 3 [pid 1011] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 1011] sendfile(-1, -1, [3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1011] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] getdents64(3 [pid 1011] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1018 attached [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1018] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1018] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1018] chdir("./71") = 0 [pid 1018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1011] <... clone3 resumed>) = 1019 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1011] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1011] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] newfstatat(AT_FDCWD, "./67/binderfs" [pid 1011] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1011] <... exit_group resumed>) = ? [pid 308] unlink("./67/binderfs" [pid 306] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 1011] +++ exited with 0 +++ [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3 [pid 306] newfstatat(AT_FDCWD, "./73/binderfs" [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./67" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./73/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] mkdir("./68", 0777 [pid 306] getdents64(3 [pid 310] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 310] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 310] fstat(3 [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./73" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./74", 0777 [pid 1018] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 310] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./67/binderfs" [pid 309] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1021 attached [pid 1018] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./67/binderfs" [pid 309] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1021 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 309] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 1018] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1020 [pid 310] rmdir("./67" [pid 309] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./68", 0777 [pid 309] newfstatat(AT_FDCWD, "./72/binderfs" [pid 1021] set_robust_list(0x555593f8a6a0, 24 [pid 1018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./72/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1022 attached ci2-android-6-1/strace-static-x86_64: Process 1020 attached [pid 1021] <... set_robust_list resumed>) = 0 [pid 1018] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1022 [pid 309] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./72") = 0 [pid 309] mkdir("./73", 0777 [pid 1022] set_robust_list(0x555593f8a6a0, 24 [pid 1021] rt_sigprocmask(SIG_SETMASK, [] [pid 1020] set_robust_list(0x555593f8a6a0, 24 [pid 1018] write(3, "1000", 4 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1022] <... set_robust_list resumed>) = 0 [pid 1021] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1020] <... set_robust_list resumed>) = 0 [pid 1018] <... write resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 1023 attached [pid 1022] rt_sigprocmask(SIG_SETMASK, [] [pid 1021] chdir("./74" [pid 1023] set_robust_list(0x555593f8a6a0, 24 [pid 1022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1023 [pid 1023] <... set_robust_list resumed>) = 0 [pid 1022] chdir("./68" [pid 1018] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1023] rt_sigprocmask(SIG_SETMASK, [] [pid 1022] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1023] chdir("./73" [pid 1022] <... prctl resumed>) = 0 [pid 1018] <... close resumed>) = 0 [pid 1023] <... chdir resumed>) = 0 [pid 1022] setpgid(0, 0 [pid 1023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1022] <... setpgid resumed>) = 0 [pid 1023] <... prctl resumed>) = 0 [pid 1022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1021] <... chdir resumed>) = 0 [pid 1018] symlink("/dev/binderfs", "./binderfs" [pid 1023] setpgid(0, 0 [pid 1022] <... openat resumed>) = 3 [pid 1023] <... setpgid resumed>) = 0 [pid 1022] write(3, "1000", 4 [pid 1023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1022] <... write resumed>) = 4 [pid 1023] <... openat resumed>) = 3 [pid 1022] close(3 [pid 1018] <... symlink resumed>) = 0 [pid 1023] write(3, "1000", 4 [pid 1022] <... close resumed>) = 0 [pid 1021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1018] write(1, "executing program\n", 18 [pid 1023] <... write resumed>) = 4 [pid 1022] symlink("/dev/binderfs", "./binderfs" [pid 1023] close(3 [pid 1022] <... symlink resumed>) = 0 [pid 1018] <... write resumed>) = 18 executing program [pid 1023] <... close resumed>) = 0 [pid 1022] write(1, "executing program\n", 18 [pid 1023] symlink("/dev/binderfs", "./binderfs" executing program [pid 1022] <... write resumed>) = 18 [pid 1023] <... symlink resumed>) = 0 [pid 1022] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1018] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1021] <... prctl resumed>) = 0 [pid 1023] write(1, "executing program\n", 18 [pid 1022] <... socket resumed>) = 3 [pid 1021] setpgid(0, 0 [pid 1018] <... socket resumed>) = 3 [pid 1023] <... write resumed>) = 18 executing program [pid 1022] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1021] <... setpgid resumed>) = 0 [pid 1018] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1023] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1022] <... socket resumed>) = 4 [pid 1018] <... socket resumed>) = 4 [pid 1021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1023] <... socket resumed>) = 3 [pid 1022] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1020] rt_sigprocmask(SIG_SETMASK, [] [pid 1018] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1023] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1022] <... connect resumed>) = -1 EEXIST (File exists) [pid 1020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1018] <... connect resumed>) = -1 EEXIST (File exists) [pid 1023] <... socket resumed>) = 4 [pid 1022] sendfile(-1, -1, [3 [pid 1021] <... openat resumed>) = 3 [pid 1020] chdir("./68" [pid 1018] sendfile(-1, -1, [3 [pid 1023] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1022] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1021] write(3, "1000", 4 [pid 1020] <... chdir resumed>) = 0 [pid 1018] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1023] <... connect resumed>) = -1 EEXIST (File exists) [pid 1022] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1021] <... write resumed>) = 4 [pid 1020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1018] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1023] sendfile(-1, -1, [3 [pid 1022] <... clone3 resumed>) = 1024 [pid 1021] close(3 [pid 1020] <... prctl resumed>) = 0 [pid 1023] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1022] ioctl(3, PPPIOCSMRU, 0 [pid 1020] setpgid(0, 0 [pid 1023] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1022] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1020] <... setpgid resumed>) = 0 [pid 1023] <... clone3 resumed>) = 1026 [pid 1021] <... close resumed>) = 0 [pid 1018] <... clone3 resumed>) = 1025 [pid 1022] exit_group(0 [pid 1023] ioctl(3, PPPIOCSMRU, 0 [pid 1022] <... exit_group resumed>) = ? [pid 1020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1018] ioctl(3, PPPIOCSMRU, 0 [pid 1021] symlink("/dev/binderfs", "./binderfs" [pid 1023] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1022] +++ exited with 0 +++ [pid 1020] <... openat resumed>) = 3 [pid 1018] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1023] exit_group(0 [pid 1020] write(3, "1000", 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1023] <... exit_group resumed>) = ? [pid 1021] <... symlink resumed>) = 0 [pid 1020] <... write resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1023] +++ exited with 0 +++ executing program [pid 1021] write(1, "executing program\n", 18 [pid 1018] exit_group(0 [pid 1021] <... write resumed>) = 18 [pid 1020] close(3 [pid 1018] <... exit_group resumed>) = ? [pid 1021] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1020] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1020] symlink("/dev/binderfs", "./binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1020] <... symlink resumed>) = 0 [pid 1020] write(1, "executing program\n", 18) = 18 [pid 1020] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1020] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1018] +++ exited with 0 +++ executing program [pid 1021] <... socket resumed>) = 3 [pid 1020] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1021] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1020] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1021] <... socket resumed>) = 4 [pid 1020] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1021] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1020] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1021] <... connect resumed>) = -1 EEXIST (File exists) [pid 1021] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1021] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1020] <... clone3 resumed>) = 1027 [pid 1020] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1020] exit_group(0) = ? [pid 1021] <... clone3 resumed>) = 1028 [pid 1020] +++ exited with 0 +++ [pid 1021] ioctl(3, PPPIOCSMRU, 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1021] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1021] exit_group(0) = ? [pid 1021] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] newfstatat(AT_FDCWD, "./68/binderfs" [pid 309] getdents64(3 [pid 308] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./71/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./68/binderfs" [pid 309] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./74/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 307] unlink("./71/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./73/binderfs" [pid 308] fstat(3 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./74/binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 310] close(3 [pid 309] unlink("./73/binderfs" [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./68" [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./71" [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./69", 0777 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./74" [pid 310] <... mkdir resumed>) = 0 [pid 309] close(3 [pid 308] newfstatat(AT_FDCWD, "./68/binderfs" [pid 307] mkdir("./72", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./73" [pid 308] unlink("./68/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./75", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1029 attached [pid 309] mkdir("./74", 0777 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1029] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1029 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1029] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 1030 attached [pid 1029] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1030] set_robust_list(0x555593f8a6a0, 24 [pid 1029] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./68" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1030 [pid 1030] <... set_robust_list resumed>) = 0 [pid 1029] chdir("./69" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1030] rt_sigprocmask(SIG_SETMASK, [] [pid 1029] <... chdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1032 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1031 [pid 1030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./69", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1030] chdir("./72" [pid 1029] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1030] <... chdir resumed>) = 0 [pid 1029] setpgid(0, 0 [pid 1030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1029] <... setpgid resumed>) = 0 [pid 1030] <... prctl resumed>) = 0 [pid 1029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1032 attached ci2-android-6-1/strace-static-x86_64: Process 1031 attached [pid 1030] setpgid(0, 0 [pid 1029] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1030] <... setpgid resumed>) = 0 [pid 1029] write(3, "1000", 4 [pid 1030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1029] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1032] set_robust_list(0x555593f8a6a0, 24 [pid 1031] set_robust_list(0x555593f8a6a0, 24 [pid 1030] <... openat resumed>) = 3 [pid 1029] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1030] write(3, "1000", 4 [pid 1029] <... close resumed>) = 0 [pid 1030] <... write resumed>) = 4 [pid 1029] symlink("/dev/binderfs", "./binderfs" [pid 1030] close(3 [pid 1029] <... symlink resumed>) = 0 [pid 1030] <... close resumed>) = 0 [pid 1029] write(1, "executing program\n", 18 [pid 1030] symlink("/dev/binderfs", "./binderfs" [pid 1029] <... write resumed>) = 18 [pid 1030] <... symlink resumed>) = 0 executing program [pid 1029] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1032] <... set_robust_list resumed>) = 0 [pid 1031] <... set_robust_list resumed>) = 0 [pid 1030] write(1, "executing program\n", 18 [pid 1029] <... socket resumed>) = 3 executing program [pid 1030] <... write resumed>) = 18 [pid 1029] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1033 [pid 1030] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1029] <... socket resumed>) = 4 [pid 1030] <... socket resumed>) = 3 [pid 1029] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1030] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1029] <... connect resumed>) = -1 EEXIST (File exists) [pid 1030] <... socket resumed>) = 4 [pid 1029] sendfile(-1, -1, [3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1033 attached [pid 1030] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1029] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1032] rt_sigprocmask(SIG_SETMASK, [] [pid 1031] rt_sigprocmask(SIG_SETMASK, [] [pid 1033] set_robust_list(0x555593f8a6a0, 24 [pid 1032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1031] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1030] <... connect resumed>) = -1 EEXIST (File exists) [pid 1033] <... set_robust_list resumed>) = 0 [pid 1029] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1033] rt_sigprocmask(SIG_SETMASK, [] [pid 1032] chdir("./74" [pid 1031] chdir("./75" [pid 1030] sendfile(-1, -1, [3 [pid 1029] <... clone3 resumed>) = 1034 [pid 1029] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1029] exit_group(0 [pid 1032] <... chdir resumed>) = 0 [pid 1031] <... chdir resumed>) = 0 [pid 1029] <... exit_group resumed>) = ? [pid 1033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1030] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1032] <... prctl resumed>) = 0 [pid 1029] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1033] chdir("./69" [pid 1032] setpgid(0, 0 [pid 1031] <... prctl resumed>) = 0 [pid 1030] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1033] <... chdir resumed>) = 0 [pid 1033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1033] setpgid(0, 0) = 0 [pid 1033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1032] <... setpgid resumed>) = 0 [pid 1031] setpgid(0, 0 [pid 1033] write(3, "1000", 4) = 4 [pid 1033] close(3) = 0 [pid 1033] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1033] write(1, "executing program\n", 18) = 18 [pid 1033] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1030] <... clone3 resumed>) = 1035 [pid 1031] <... setpgid resumed>) = 0 [pid 1032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1030] ioctl(3, PPPIOCSMRU, 0 [pid 1033] <... socket resumed>) = 3 [pid 1031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 1033] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1032] <... openat resumed>) = 3 [pid 1030] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 1033] <... socket resumed>) = 4 [pid 1032] write(3, "1000", 4 [pid 1031] <... openat resumed>) = 3 [pid 1033] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1032] <... write resumed>) = 4 [pid 1031] write(3, "1000", 4 [pid 1030] exit_group(0 [pid 310] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1033] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1033] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1033] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1033] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] fstat(3 [pid 1032] close(3 [pid 1031] <... write resumed>) = 4 [pid 1030] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1033] <... clone3 resumed>) = 1036 [pid 1032] <... close resumed>) = 0 [pid 1031] close(3 [pid 310] getdents64(3 [pid 1033] ioctl(3, PPPIOCSMRU, 0 [pid 1031] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1033] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1032] symlink("/dev/binderfs", "./binderfs" [pid 1031] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1033] exit_group(0 [pid 1032] <... symlink resumed>) = 0 [pid 1031] <... symlink resumed>) = 0 [pid 1030] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1033] <... exit_group resumed>) = ? [pid 1032] write(1, "executing program\n", 18 [pid 1031] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./69/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program executing program [pid 1033] +++ exited with 0 +++ [pid 1032] <... write resumed>) = 18 [pid 1031] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1032] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1031] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] unlink("./69/binderfs" [pid 1032] <... socket resumed>) = 3 [pid 1031] <... socket resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1032] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1031] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1032] <... socket resumed>) = 4 [pid 1031] <... socket resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1032] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1031] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] close(3 [pid 1031] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 1031] sendfile(-1, -1, [3 [pid 310] rmdir("./69" [pid 1031] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1031] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] mkdir("./70", 0777 [pid 1032] <... connect resumed>) = -1 EEXIST (File exists) [pid 1031] <... clone3 resumed>) = 1037 [pid 308] <... restart_syscall resumed>) = 0 [pid 1032] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1031] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... mkdir resumed>) = 0 [pid 1032] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1031] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1031] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1032] <... clone3 resumed>) = 1038 [pid 1031] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1039 attached [pid 1032] ioctl(3, PPPIOCSMRU, 0 [pid 308] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1039] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1039 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1039] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1039] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1039] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1039] chdir("./70") = 0 [pid 1032] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... openat resumed>) = 3 [pid 1039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1039] setpgid(0, 0 [pid 1032] exit_group(0 [pid 308] fstat(3 [pid 1039] <... setpgid resumed>) = 0 [pid 1032] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1039] write(3, "1000", 4) = 4 [pid 1039] close(3) = 0 [pid 1032] +++ exited with 0 +++ [pid 1039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 1039] write(1, "executing program\n", 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1039] <... write resumed>) = 18 executing program [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1039] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] <... socket resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1039] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] newfstatat(AT_FDCWD, "./69/binderfs" [pid 1039] <... socket resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1039] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] unlink("./69/binderfs" [pid 1039] <... connect resumed>) = -1 EEXIST (File exists) [pid 1039] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1039] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... unlink resumed>) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1039] <... clone3 resumed>) = 1040 [pid 308] close(3 [pid 1039] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... close resumed>) = 0 [pid 1039] exit_group(0) = ? [pid 308] rmdir("./69" [pid 1039] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./70", 0777 [pid 307] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./72/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./72/binderfs" [pid 306] <... openat resumed>) = 3 [pid 309] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 1041 attached [pid 309] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 1041] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1041 [pid 307] close(3 [pid 1041] <... set_robust_list resumed>) = 0 [pid 309] fstat(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1041] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 307] rmdir("./72" [pid 1041] chdir("./70" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1041] <... chdir resumed>) = 0 [pid 309] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./73", 0777 [pid 306] newfstatat(AT_FDCWD, "./75/binderfs" [pid 1041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1041] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./74/binderfs" [pid 1041] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1041] <... setpgid resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] unlink("./74/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 1041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1041] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] unlink("./75/binderfs" [pid 1041] write(3, "1000", 4 [pid 310] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1041] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 306] <... unlink resumed>) = 0 [pid 1041] close(3 [pid 309] <... close resumed>) = 0 [pid 1041] <... close resumed>) = 0 [pid 309] rmdir("./74" [pid 1041] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 1041] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./75", 0777 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1042 attached [pid 310] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1042 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1041] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 309] <... mkdir resumed>) = 0 executing program [pid 1041] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 1041] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1041] <... socket resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 1042] set_robust_list(0x555593f8a6a0, 24 [pid 310] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./75"ci2-android-6-1/strace-static-x86_64: Process 1043 attached [pid 1041] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1043] set_robust_list(0x555593f8a6a0, 24 [pid 1041] <... socket resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./70/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1043 [pid 306] <... rmdir resumed>) = 0 [pid 1043] <... set_robust_list resumed>) = 0 [pid 1042] <... set_robust_list resumed>) = 0 [pid 1041] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./76", 0777 [pid 1043] rt_sigprocmask(SIG_SETMASK, [] [pid 1041] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./70/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1043] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1041] sendfile(-1, -1, [3 [pid 1043] chdir("./75" [pid 1041] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1043] <... chdir resumed>) = 0 [pid 1041] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... mkdir resumed>) = 0 [pid 1042] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1041] <... clone3 resumed>) = 1044 [pid 310] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1043] <... prctl resumed>) = 0 [pid 1042] chdir("./73" [pid 1041] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1043] setpgid(0, 0 [pid 1042] <... chdir resumed>) = 0 [pid 1041] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] close(3ci2-android-6-1/strace-static-x86_64: Process 1045 attached [pid 1043] <... setpgid resumed>) = 0 [pid 1042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1041] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 1045] set_robust_list(0x555593f8a6a0, 24 [pid 1043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1042] <... prctl resumed>) = 0 [pid 1041] <... exit_group resumed>) = ? [pid 310] rmdir("./70" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1045 [pid 1045] <... set_robust_list resumed>) = 0 [pid 1043] <... openat resumed>) = 3 [pid 1042] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] rt_sigprocmask(SIG_SETMASK, [] [pid 1042] <... setpgid resumed>) = 0 [pid 310] mkdir("./71", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1043] write(3, "1000", 4 [pid 1042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1041] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 1043] <... write resumed>) = 4 [pid 1042] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1045] chdir("./76" [pid 1043] close(3 [pid 1042] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1045] <... chdir resumed>) = 0 [pid 1043] <... close resumed>) = 0 [pid 1042] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1043] symlink("/dev/binderfs", "./binderfs" [pid 1042] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1043] <... symlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1042] <... close resumed>) = 0 [pid 1045] <... prctl resumed>) = 0 [pid 1043] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1046 [pid 308] <... openat resumed>) = 3 [pid 1043] <... write resumed>) = 18 [pid 308] fstat(3 [pid 1043] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1043] <... socket resumed>) = 3 [pid 308] getdents64(3 [pid 1043] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1043] <... socket resumed>) = 4 [pid 308] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1043] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1043] <... connect resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./70/binderfs" [pid 1043] sendfile(-1, -1, [3 [pid 1042] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1045] setpgid(0, 0 [pid 1043] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 308] unlink("./70/binderfs" [pid 1045] <... setpgid resumed>) = 0 [pid 1043] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1042] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1046 attached [pid 1045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1042] write(1, "executing program\n", 18 [pid 1046] set_robust_list(0x555593f8a6a0, 24 [pid 1045] <... openat resumed>) = 3 [pid 1043] <... clone3 resumed>) = 1047 [pid 1042] <... write resumed>) = 18 [pid 308] getdents64(3 [pid 1045] write(3, "1000", 4 [pid 1043] ioctl(3, PPPIOCSMRU, 0 [pid 1042] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1043] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 308] close(3 [pid 1045] <... write resumed>) = 4 [pid 1043] exit_group(0 [pid 1042] <... socket resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 1046] <... set_robust_list resumed>) = 0 [pid 1045] close(3 [pid 1043] <... exit_group resumed>) = ? [pid 1042] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] rmdir("./70" [pid 1045] <... close resumed>) = 0 [pid 1043] +++ exited with 0 +++ [pid 1042] <... socket resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 1046] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] symlink("/dev/binderfs", "./binderfs" [pid 1042] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./71", 0777 [pid 1046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1045] <... symlink resumed>) = 0 [pid 1042] <... connect resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1046] chdir("./71" [pid 1045] write(1, "executing program\n", 18 [pid 1042] sendfile(-1, -1, [3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 1046] <... chdir resumed>) = 0 [pid 1045] <... write resumed>) = 18 executing program [pid 1042] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1045] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1042] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1046] <... prctl resumed>) = 0 [pid 1045] <... socket resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1046] setpgid(0, 0 [pid 1045] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1042] <... clone3 resumed>) = 1048 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1046] <... setpgid resumed>) = 0 [pid 1045] <... socket resumed>) = 4 [pid 1042] ioctl(3, PPPIOCSMRU, 0 [pid 1046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1045] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1042] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 309] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1046] <... openat resumed>) = 3 [pid 1045] <... connect resumed>) = -1 EEXIST (File exists) [pid 1042] exit_group(0 [pid 1046] write(3, "1000", 4 [pid 1045] sendfile(-1, -1, [3 [pid 1042] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1049 ci2-android-6-1/strace-static-x86_64: Process 1049 attached [pid 1046] <... write resumed>) = 4 [pid 1045] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1042] +++ exited with 0 +++ [pid 309] fstat(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1046] close(3 [pid 1045] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1049] set_robust_list(0x555593f8a6a0, 24 [pid 1046] <... close resumed>) = 0 [pid 1045] <... clone3 resumed>) = 1050 [pid 309] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1046] symlink("/dev/binderfs", "./binderfs" [pid 1045] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1046] <... symlink resumed>) = 0 [pid 1045] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1046] write(1, "executing program\n", 18 [pid 1045] exit_group(0 executing program [pid 309] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1046] <... write resumed>) = 18 [pid 1045] <... exit_group resumed>) = ? [pid 1049] <... set_robust_list resumed>) = 0 [pid 1046] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1045] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1046] <... socket resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./75/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1046] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1046] <... socket resumed>) = 4 [pid 1046] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1046] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1046] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1051 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1046] ioctl(3, PPPIOCSMRU, 0 [pid 309] unlink("./75/binderfs" [pid 1046] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1046] exit_group(0) = ? [pid 309] <... unlink resumed>) = 0 [pid 1049] rt_sigprocmask(SIG_SETMASK, [] [pid 1046] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 1049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1049] chdir("./71" [pid 309] <... close resumed>) = 0 [pid 1049] <... chdir resumed>) = 0 [pid 1049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rmdir("./75" [pid 1049] <... prctl resumed>) = 0 [pid 1049] setpgid(0, 0) = 0 [pid 1049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 1049] write(3, "1000", 4) = 4 [pid 1049] close(3 [pid 309] mkdir("./76", 0777 [pid 1049] <... close resumed>) = 0 [pid 1049] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1049] write(1, "executing program\n", 18) = 18 [pid 1049] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... mkdir resumed>) = 0 executing program [pid 1049] <... socket resumed>) = 3 [pid 1049] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... restart_syscall resumed>) = 0 [pid 1049] <... socket resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1049] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1049] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] sendfile(-1, -1, [3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1049] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1049] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... openat resumed>) = 3 [pid 1049] <... clone3 resumed>) = 1053 [pid 307] fstat(3 [pid 1049] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1049] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] getdents64(3 [pid 1049] exit_group(0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1049] <... exit_group resumed>) = ? [pid 307] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1052 attached [pid 1049] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1052 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./73/binderfs" [pid 1052] set_robust_list(0x555593f8a6a0, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./73") = 0 [pid 307] mkdir("./74", 0777 [pid 1052] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1052] chdir("./76") = 0 [pid 308] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1054 attached [pid 1052] <... prctl resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1054 [pid 306] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1054] set_robust_list(0x555593f8a6a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1054] <... set_robust_list resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1054] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 1054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 1054] chdir("./74" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1054] <... chdir resumed>) = 0 [pid 306] getdents64(3 [pid 1054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1054] <... prctl resumed>) = 0 [pid 1052] setpgid(0, 0 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1054] setpgid(0, 0 [pid 1052] <... setpgid resumed>) = 0 [pid 310] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./76/binderfs" [pid 1054] <... setpgid resumed>) = 0 [pid 1052] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1052] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./76/binderfs" [pid 1052] <... write resumed>) = 4 [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 1052] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./71/binderfs" [pid 306] getdents64(3 [pid 1052] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1052] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] unlink("./71/binderfs" [pid 306] close(3 [pid 1054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1052] <... symlink resumed>) = 0 [pid 310] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 1052] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 executing program [pid 306] rmdir("./76" [pid 1052] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./71/binderfs" [pid 308] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 1052] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./77", 0777 [pid 1052] <... socket resumed>) = 3 [pid 310] unlink("./71/binderfs" [pid 308] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 1054] <... openat resumed>) = 3 [pid 1052] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1054] write(3, "1000", 4 [pid 1052] <... socket resumed>) = 4 [pid 310] getdents64(3 [pid 308] rmdir("./71" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1052] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1054] <... write resumed>) = 4 [pid 1052] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 1054] close(3 [pid 1052] sendfile(-1, -1, [3 [pid 310] <... close resumed>) = 0 [pid 308] mkdir("./72", 0777ci2-android-6-1/strace-static-x86_64: Process 1055 attached [pid 1052] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./71" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1055 [pid 1055] set_robust_list(0x555593f8a6a0, 24 [pid 1054] <... close resumed>) = 0 [pid 1052] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... mkdir resumed>) = 0 [pid 1054] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1054] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1054] write(1, "executing program\n", 18 executing program [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1057 attached [pid 1055] <... set_robust_list resumed>) = 0 [pid 1054] <... write resumed>) = 18 [pid 1052] <... clone3 resumed>) = 1056 [pid 310] mkdir("./72", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1057] set_robust_list(0x555593f8a6a0, 24 [pid 1055] rt_sigprocmask(SIG_SETMASK, [] [pid 1054] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1052] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1057 [pid 1057] <... set_robust_list resumed>) = 0 [pid 1055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1054] <... socket resumed>) = 3 [pid 1052] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1055] chdir("./77" [pid 1054] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1052] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1057] rt_sigprocmask(SIG_SETMASK, [] [pid 1055] <... chdir resumed>) = 0 [pid 1054] <... socket resumed>) = 4 [pid 1055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1052] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1054] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1057] chdir("./72" [pid 1054] <... connect resumed>) = -1 EEXIST (File exists) [pid 1057] <... chdir resumed>) = 0 [pid 1055] <... prctl resumed>) = 0 [pid 1054] sendfile(-1, -1, [3 [pid 1057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1054] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1057] <... prctl resumed>) = 0 [pid 1054] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1057] setpgid(0, 0 [pid 1054] <... clone3 resumed>) = 1058 [pid 1052] +++ exited with 0 +++ [pid 1057] <... setpgid resumed>) = 0 [pid 1055] setpgid(0, 0 [pid 1054] ioctl(3, PPPIOCSMRU, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1059 attached [pid 1057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1055] <... setpgid resumed>) = 0 [pid 1054] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1059 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1059] set_robust_list(0x555593f8a6a0, 24 [pid 1055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1054] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1057] <... openat resumed>) = 3 [pid 1057] write(3, "1000", 4 [pid 1054] <... exit_group resumed>) = ? [pid 1059] <... set_robust_list resumed>) = 0 [pid 1057] <... write resumed>) = 4 [pid 1055] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1059] rt_sigprocmask(SIG_SETMASK, [] [pid 1057] close(3 [pid 1055] write(3, "1000", 4 [pid 1054] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1059] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1055] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1057] <... close resumed>) = 0 [pid 1057] symlink("/dev/binderfs", "./binderfs" [pid 1055] close(3 [pid 1059] chdir("./72" [pid 1055] <... close resumed>) = 0 [pid 1059] <... chdir resumed>) = 0 [pid 1055] symlink("/dev/binderfs", "./binderfs" [pid 1059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1059] setpgid(0, 0) = 0 [pid 1059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1059] write(3, "1000", 4) = 4 [pid 1059] close(3) = 0 [pid 1059] symlink("/dev/binderfs", "./binderfs" [pid 1057] <... symlink resumed>) = 0 executing program [pid 1057] write(1, "executing program\n", 18) = 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 1057] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1057] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1057] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1057] sendfile(-1, -1, [3 [pid 309] getdents64(3 [pid 1057] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1057] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1060 [pid 1057] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... restart_syscall resumed>) = 0 [pid 1057] exit_group(0) = ? [pid 307] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 1059] <... symlink resumed>) = 0 [pid 1055] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1059] write(1, "executing program\n", 18 [pid 1055] write(1, "executing program\n", 18 [pid 309] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1059] <... write resumed>) = 18 [pid 1055] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./76/binderfs" [pid 308] newfstatat(AT_FDCWD, "./72/binderfs" [pid 307] newfstatat(AT_FDCWD, "./74/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./76/binderfs" executing program executing program [pid 308] unlink("./72/binderfs" [pid 307] unlink("./74/binderfs" [pid 1059] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1055] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1055] <... socket resumed>) = 3 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 1059] <... socket resumed>) = 3 [pid 1055] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1059] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1055] <... socket resumed>) = 4 [pid 309] close(3 [pid 308] close(3 [pid 307] close(3 [pid 1059] <... socket resumed>) = 4 [pid 1055] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 1059] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1055] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./76" [pid 308] rmdir("./72" [pid 307] rmdir("./74" [pid 1059] <... connect resumed>) = -1 EEXIST (File exists) [pid 1055] sendfile(-1, -1, [3 [pid 309] <... rmdir resumed>) = 0 [pid 1059] sendfile(-1, -1, [3 [pid 1055] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... rmdir resumed>) = 0 [pid 1059] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1055] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] mkdir("./77", 0777 [pid 308] mkdir("./73", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 1059] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1055] <... clone3 resumed>) = 1061 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... mkdir resumed>) = 0 [pid 307] mkdir("./75", 0777 [pid 1059] <... clone3 resumed>) = 1062 [pid 1055] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 1059] ioctl(3, PPPIOCSMRU, 0 [pid 1055] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1059] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1055] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1064 attached ci2-android-6-1/strace-static-x86_64: Process 1063 attached [pid 1059] exit_group(0 [pid 1055] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1063 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1064] set_robust_list(0x555593f8a6a0, 24 [pid 1059] <... exit_group resumed>) = ? [pid 1055] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1064 [pid 1064] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1065 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1064] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1059] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1064] chdir("./73") = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1064] <... prctl resumed>) = 0 [pid 1064] setpgid(0, 0) = 0 [pid 1064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 1065 attached ) = 3 [pid 1063] set_robust_list(0x555593f8a6a0, 24 [pid 1064] write(3, "1000", 4) = 4 [pid 1064] close(3) = 0 [pid 1064] symlink("/dev/binderfs", "./binderfs" [pid 1065] set_robust_list(0x555593f8a6a0, 24 [pid 1063] <... set_robust_list resumed>) = 0 [pid 1065] <... set_robust_list resumed>) = 0 [pid 1064] <... symlink resumed>) = 0 [pid 1063] rt_sigprocmask(SIG_SETMASK, [] [pid 1064] write(1, "executing program\n", 18 [pid 1065] rt_sigprocmask(SIG_SETMASK, [] [pid 1063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1064] <... write resumed>) = 18 executing program [pid 1064] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1064] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1063] chdir("./77" [pid 1065] chdir("./75" [pid 1064] <... socket resumed>) = 4 [pid 1063] <... chdir resumed>) = 0 [pid 1065] <... chdir resumed>) = 0 [pid 1065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1064] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1064] <... connect resumed>) = -1 EEXIST (File exists) [pid 1064] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1064] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... restart_syscall resumed>) = 0 [pid 1065] <... prctl resumed>) = 0 [pid 1063] <... prctl resumed>) = 0 [pid 306] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1064] <... clone3 resumed>) = 1066 [pid 306] getdents64(3 [pid 1064] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1064] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./77/binderfs" [pid 1065] setpgid(0, 0 [pid 1064] exit_group(0 [pid 1063] setpgid(0, 0 [pid 306] <... unlink resumed>) = 0 [pid 1064] <... exit_group resumed>) = ? [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./77") = 0 [pid 306] mkdir("./78", 0777 [pid 1065] <... setpgid resumed>) = 0 [pid 1064] +++ exited with 0 +++ [pid 1063] <... setpgid resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 1067 attached [pid 1067] set_robust_list(0x555593f8a6a0, 24 [pid 1065] <... openat resumed>) = 3 [pid 1063] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1067 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1067] <... set_robust_list resumed>) = 0 [pid 1067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1067] chdir("./78" [pid 1065] write(3, "1000", 4 [pid 1067] <... chdir resumed>) = 0 [pid 1065] <... write resumed>) = 4 [pid 1063] write(3, "1000", 4 [pid 1067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1065] close(3 [pid 1063] <... write resumed>) = 4 [pid 1067] <... prctl resumed>) = 0 [pid 1065] <... close resumed>) = 0 [pid 1063] close(3 [pid 1067] setpgid(0, 0 [pid 1065] symlink("/dev/binderfs", "./binderfs" [pid 1063] <... close resumed>) = 0 [pid 1067] <... setpgid resumed>) = 0 [pid 1065] <... symlink resumed>) = 0 [pid 1063] symlink("/dev/binderfs", "./binderfs" [pid 1065] write(1, "executing program\n", 18 [pid 1067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1065] <... write resumed>) = 18 [pid 1065] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1063] <... symlink resumed>) = 0 [pid 1065] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1067] <... openat resumed>) = 3 executing program [pid 1063] write(1, "executing program\n", 18 [pid 1065] <... socket resumed>) = 4 [pid 1065] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1067] write(3, "1000", 4 [pid 1065] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 1065] sendfile(-1, -1, [3 [pid 1063] <... write resumed>) = 18 [pid 1067] <... write resumed>) = 4 [pid 1065] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1065] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1067] close(3 [pid 1063] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... restart_syscall resumed>) = 0 [pid 1067] <... close resumed>) = 0 [pid 1063] <... socket resumed>) = 3 [pid 1067] symlink("/dev/binderfs", "./binderfs" [pid 1063] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1067] <... symlink resumed>) = 0 [pid 1065] <... clone3 resumed>) = 1068 [pid 310] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] write(1, "executing program\n", 18 [pid 1065] ioctl(3, PPPIOCSMRU, 0 [pid 1063] <... socket resumed>) = 4 [pid 1065] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 1067] <... write resumed>) = 18 [pid 1065] exit_group(0 [pid 1063] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1067] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1065] <... exit_group resumed>) = ? [pid 1063] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 1067] <... socket resumed>) = 3 [pid 1063] sendfile(-1, -1, [3 [pid 310] fstat(3 [pid 1067] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1065] +++ exited with 0 +++ [pid 1063] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] <... socket resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 1067] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1067] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 1067] sendfile(-1, -1, [3 [pid 1063] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] fstat(3 [pid 1067] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1067] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 1063] <... clone3 resumed>) = 1069 [pid 310] newfstatat(AT_FDCWD, "./72/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1067] <... clone3 resumed>) = 1070 [pid 1063] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] ioctl(3, PPPIOCSMRU, 0 [pid 1063] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] unlink("./72/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1067] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] newfstatat(AT_FDCWD, "./73/binderfs" [pid 1067] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1067] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 308] unlink("./73/binderfs" [pid 1063] exit_group(0 [pid 310] getdents64(3 [pid 1067] +++ exited with 0 +++ [pid 1063] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... unlink resumed>) = 0 [pid 310] close(3 [pid 308] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 308] close(3 [pid 310] rmdir("./72" [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./73" [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] mkdir("./73", 0777 [pid 308] mkdir("./74", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1063] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1071 attached [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1072 attached [pid 1071] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1071 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1072 [pid 306] <... restart_syscall resumed>) = 0 [pid 1072] set_robust_list(0x555593f8a6a0, 24 [pid 1071] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1072] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1072] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1072] chdir("./74" [pid 306] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1072] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 1072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] fstat(3 [pid 1072] <... prctl resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1072] setpgid(0, 0 [pid 306] getdents64(3 [pid 1072] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1071] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] <... openat resumed>) = 3 [pid 1071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1072] write(3, "1000", 4 [pid 306] newfstatat(AT_FDCWD, "./78/binderfs" [pid 1072] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1072] close(3 [pid 306] unlink("./78/binderfs" [pid 1072] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1072] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 1072] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1071] chdir("./73" [pid 1072] write(1, "executing program\n", 18 [pid 306] close(3 [pid 1072] <... write resumed>) = 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1071] <... chdir resumed>) = 0 executing program [pid 1071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rmdir("./78" [pid 1072] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1071] <... prctl resumed>) = 0 [pid 1071] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./79", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1071] <... setpgid resumed>) = 0 [pid 309] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 307] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 1071] write(3, "1000", 4 [pid 307] <... openat resumed>) = 3 [pid 1071] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] fstat(3 [pid 1071] close(3) = 0 [pid 1071] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1071] write(1, "executing program\n", 18) = 18 [pid 1071] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1071] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1071] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1071] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1071] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1074 [pid 1071] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1071] exit_group(0) = ? executing program ci2-android-6-1/strace-static-x86_64: Process 1073 attached [pid 1072] <... socket resumed>) = 3 [pid 1071] +++ exited with 0 +++ [pid 309] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1073 [pid 1073] set_robust_list(0x555593f8a6a0, 24 [pid 1072] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1073] <... set_robust_list resumed>) = 0 [pid 1072] <... socket resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./77/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1073] rt_sigprocmask(SIG_SETMASK, [] [pid 1072] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1072] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./77/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1073] chdir("./79" [pid 1072] sendfile(-1, -1, [3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./75/binderfs" [pid 1073] <... chdir resumed>) = 0 [pid 1072] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1072] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] unlink("./75/binderfs" [pid 1073] <... prctl resumed>) = 0 [pid 1072] <... clone3 resumed>) = 1075 [pid 309] close(3 [pid 1073] setpgid(0, 0 [pid 1072] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1073] <... setpgid resumed>) = 0 [pid 1072] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./77" [pid 307] getdents64(3 [pid 1073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1072] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1073] <... openat resumed>) = 3 [pid 1072] <... exit_group resumed>) = ? [pid 309] mkdir("./78", 0777 [pid 307] close(3 [pid 1073] write(3, "1000", 4 [pid 1072] +++ exited with 0 +++ [pid 310] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1073] <... write resumed>) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 1073] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./75" [pid 1073] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 1073] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./76", 0777 [pid 1073] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1076 attached [pid 1073] write(1, "executing program\n", 18 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1076 [pid 307] <... mkdir resumed>) = 0 [pid 1076] set_robust_list(0x555593f8a6a0, 24 [pid 1073] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1076] <... set_robust_list resumed>) = 0 [pid 1073] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1076] rt_sigprocmask(SIG_SETMASK, [] [pid 1073] <... socket resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1076] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1073] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1073] <... socket resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1076] chdir("./78"ci2-android-6-1/strace-static-x86_64: Process 1077 attached ) = 0 [pid 1073] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] newfstatat(AT_FDCWD, "./73/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1077 [pid 1077] set_robust_list(0x555593f8a6a0, 24 [pid 1076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1073] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1077] <... set_robust_list resumed>) = 0 [pid 1076] <... prctl resumed>) = 0 [pid 1073] sendfile(-1, -1, [3 [pid 310] unlink("./73/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1077] rt_sigprocmask(SIG_SETMASK, [] [pid 1076] setpgid(0, 0 [pid 1073] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1076] <... setpgid resumed>) = 0 [pid 1073] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... unlink resumed>) = 0 [pid 1077] chdir("./76" [pid 1076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 1077] <... chdir resumed>) = 0 [pid 1076] <... openat resumed>) = 3 [pid 1073] <... clone3 resumed>) = 1078 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1076] write(3, "1000", 4 [pid 1073] ioctl(3, PPPIOCSMRU, 0 [pid 310] close(3 [pid 1077] <... prctl resumed>) = 0 [pid 1076] <... write resumed>) = 4 [pid 1073] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1077] setpgid(0, 0 [pid 1076] close(3 [pid 1073] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 1077] <... setpgid resumed>) = 0 [pid 1076] <... close resumed>) = 0 [pid 1073] <... exit_group resumed>) = ? [pid 1077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1076] symlink("/dev/binderfs", "./binderfs" [pid 1073] +++ exited with 0 +++ [pid 310] rmdir("./73" [pid 1077] <... openat resumed>) = 3 [pid 1076] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1077] write(3, "1000", 4 [pid 1076] write(1, "executing program\n", 18 [pid 310] mkdir("./74", 0777 [pid 1077] <... write resumed>) = 4 [pid 1076] <... write resumed>) = 18 [pid 1077] close(3 [pid 1076] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1077] <... close resumed>) = 0 [pid 1076] <... socket resumed>) = 3 executing program [pid 1077] symlink("/dev/binderfs", "./binderfs" [pid 1076] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1077] <... symlink resumed>) = 0 [pid 1076] <... socket resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 1077] write(1, "executing program\n", 18 executing program [pid 1076] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1077] <... write resumed>) = 18 [pid 1076] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1077] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1076] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1077] <... socket resumed>) = 3 [pid 1076] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1077] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1076] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1077] <... socket resumed>) = 4 [pid 1076] <... clone3 resumed>) = 1080 [pid 1077] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1076] ioctl(3, PPPIOCSMRU, 0 [pid 1077] <... connect resumed>) = -1 EEXIST (File exists) [pid 1076] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1079 [pid 1077] sendfile(-1, -1, [3 [pid 1076] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1077] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1076] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1079 attached [pid 1077] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1076] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1079] set_robust_list(0x555593f8a6a0, 24 [pid 1077] <... clone3 resumed>) = 1081 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1077] ioctl(3, PPPIOCSMRU, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1077] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1079] <... set_robust_list resumed>) = 0 [pid 1077] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 1077] <... exit_group resumed>) = ? [pid 308] fstat(3 [pid 1079] rt_sigprocmask(SIG_SETMASK, [] [pid 1077] +++ exited with 0 +++ [pid 1079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1079] chdir("./74" [pid 308] newfstatat(AT_FDCWD, "./74/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] unlink("./74/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1079] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./78/binderfs" [pid 307] fstat(3 [pid 308] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] unlink("./78/binderfs" [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 1079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1079] setpgid(0, 0 [pid 309] <... unlink resumed>) = 0 [pid 1079] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] rmdir("./74" [pid 309] getdents64(3 [pid 307] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1079] <... openat resumed>) = 3 [pid 309] close(3 [pid 308] mkdir("./75", 0777 [pid 307] newfstatat(AT_FDCWD, "./76/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1079] write(3, "1000", 4) = 4 [pid 1079] close(3) = 0 [pid 1079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] rmdir("./78" [pid 308] <... mkdir resumed>) = 0 [pid 307] unlink("./76/binderfs" [pid 1079] write(1, "executing program\n", 18) = 18 [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1079] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 309] mkdir("./79", 0777 [pid 307] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1079] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1079] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 1079] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1079] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1083 [pid 307] close(3 [pid 306] fstat(3 [pid 1079] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1079] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1082 [pid 307] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1084 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./76" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 1079] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 1084 attached ci2-android-6-1/strace-static-x86_64: Process 1082 attached [pid 1079] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1084] set_robust_list(0x555593f8a6a0, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 310] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./77", 0777 [pid 1084] <... set_robust_list resumed>) = 0 [pid 1082] set_robust_list(0x555593f8a6a0, 24 [pid 306] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./74/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./79/binderfs" [pid 310] unlink("./74/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1084] rt_sigprocmask(SIG_SETMASK, [] [pid 1082] <... set_robust_list resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] unlink("./79/binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./74") = 0 [pid 310] mkdir("./75", 0777 [pid 1084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1082] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1085 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1085 attached [pid 1084] chdir("./79" [pid 1082] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1085] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 1085] <... set_robust_list resumed>) = 0 [pid 1084] <... chdir resumed>) = 0 [pid 1082] chdir("./75" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1086 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1086 attached [pid 1086] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 306] close(3 [pid 1084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... close resumed>) = 0 [pid 1084] <... prctl resumed>) = 0 [pid 306] rmdir("./79" [pid 1086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1084] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./80", 0777 [pid 1084] <... setpgid resumed>) = 0 [pid 1086] chdir("./75" [pid 1085] rt_sigprocmask(SIG_SETMASK, [] [pid 1082] <... chdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1087 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1084] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1084] <... write resumed>) = 4 [pid 1084] close(3) = 0 [pid 1084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1084] write(1, "executing program\n", 18) = 18 [pid 1084] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1084] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1084] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) executing program [pid 1084] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1084] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1088 [pid 1084] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1084] exit_group(0) = ? [pid 1084] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1082] setpgid(0, 0) = 0 [pid 1082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1085] chdir("./77" [pid 1082] <... openat resumed>) = 3 [pid 1085] <... chdir resumed>) = 0 [pid 1085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1085] setpgid(0, 0) = 0 [pid 1082] write(3, "1000", 4) = 4 [pid 1085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1082] close(3) = 0 [pid 1086] <... chdir resumed>) = 0 [pid 1082] symlink("/dev/binderfs", "./binderfs") = 0 ci2-android-6-1/strace-static-x86_64: Process 1087 attached [pid 1087] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1085] <... openat resumed>) = 3 [pid 1086] setpgid(0, 0) = 0 [pid 1086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1085] write(3, "1000", 4) = 4 [pid 1085] close(3) = 0 [pid 1082] write(1, "executing program\n", 18) = 18 executing program [pid 1085] symlink("/dev/binderfs", "./binderfs" [pid 1082] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1085] <... symlink resumed>) = 0 [pid 1082] <... socket resumed>) = 3 [pid 1086] write(3, "1000", 4) = 4 [pid 1086] close(3) = 0 [pid 1082] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1086] symlink("/dev/binderfs", "./binderfs" [pid 1087] rt_sigprocmask(SIG_SETMASK, [] [pid 1082] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 executing program [pid 1085] write(1, "executing program\n", 18 [pid 1086] <... symlink resumed>) = 0 [pid 1085] <... write resumed>) = 18 [pid 1085] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 1085] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1086] write(1, "executing program\n", 18 [pid 1085] <... socket resumed>) = 4 [pid 1086] <... write resumed>) = 18 [pid 1085] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1086] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1085] <... connect resumed>) = -1 EEXIST (File exists) [pid 1086] <... socket resumed>) = 3 [pid 1085] sendfile(-1, -1, [3 [pid 1086] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1085] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1086] <... socket resumed>) = 4 [pid 1085] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1087] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1086] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1085] <... clone3 resumed>) = 1089 [pid 1082] <... connect resumed>) = -1 EEXIST (File exists) [pid 1086] <... connect resumed>) = -1 EEXIST (File exists) [pid 1087] chdir("./80" [pid 1086] sendfile(-1, -1, [3 [pid 1085] ioctl(3, PPPIOCSMRU, 0 [pid 1082] sendfile(-1, -1, [3 [pid 1086] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1085] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1086] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1087] <... chdir resumed>) = 0 [pid 1085] exit_group(0 [pid 1082] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1086] <... clone3 resumed>) = 1090 [pid 309] <... restart_syscall resumed>) = 0 [pid 1086] ioctl(3, PPPIOCSMRU, 0 [pid 1085] <... exit_group resumed>) = ? [pid 1087] <... prctl resumed>) = 0 [pid 1086] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1085] +++ exited with 0 +++ [pid 1087] setpgid(0, 0 [pid 1082] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1087] <... setpgid resumed>) = 0 [pid 1086] exit_group(0 [pid 309] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1086] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1086] +++ exited with 0 +++ [pid 1082] <... clone3 resumed>) = 1091 [pid 309] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1087] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(3 [pid 1087] write(3, "1000", 4 [pid 1082] ioctl(3, PPPIOCSMRU, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1087] <... write resumed>) = 4 [pid 1082] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1087] close(3 [pid 309] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] <... close resumed>) = 0 [pid 1082] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./79/binderfs" [pid 1087] <... symlink resumed>) = 0 [pid 1082] <... exit_group resumed>) = ? [ 30.901193][ T1047] ------------[ cut here ]------------ [ 30.906896][ T1047] WARNING: CPU: 0 PID: 1047 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 30.917119][ T1047] Modules linked in: [ 30.921174][ T1047] CPU: 0 PID: 1047 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 30.930646][ T1047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 30.941175][ T1047] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [ 30.947742][ T1047] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 30.967464][ T1047] RSP: 0018:ffffc90001a97b90 EFLAGS: 00010293 [ 30.973598][ T1047] RAX: ffffffff849ca097 RBX: ffff88810d580000 RCX: ffff888115af1440 [ 30.981615][ T1047] RDX: 0000000000000000 RSI: 0000000012062680 RDI: 000000000c04eb7d [ 30.989686][ T1047] RBP: ffffc90001a97bb0 R08: ffff88810d580083 R09: 1ffff11021ab0010 [pid 309] <... unlink resumed>) = 0 executing program executing program executing program [pid 1087] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 1087] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./79") = 0 [pid 309] mkdir("./80", 0777 [pid 1087] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1082] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1092 [pid 307] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./77/binderfs") = 0 [pid 307] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 ci2-android-6-1/strace-static-x86_64: Process 1092 attached [pid 308] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./77" [pid 1092] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 1092] <... set_robust_list resumed>) = 0 [pid 308] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./78", 0777 [pid 1092] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 307] <... mkdir resumed>) = 0 [pid 1092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1092] chdir("./80" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1092] <... chdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1092] <... prctl resumed>) = 0 [pid 308] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1093 [pid 1092] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1092] <... setpgid resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./75/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1092] <... openat resumed>) = 3 [pid 308] unlink("./75/binderfs" [pid 1092] write(3, "1000", 4 [pid 308] <... unlink resumed>) = 0 [pid 1092] <... write resumed>) = 4 [pid 308] getdents64(3 [pid 1092] close(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1092] <... close resumed>) = 0 [pid 308] close(3 [pid 1092] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 1092] <... symlink resumed>) = 0 [pid 308] rmdir("./75" [pid 1092] write(1, "executing program\n", 18 [pid 308] <... rmdir resumed>) = 0 [pid 1092] <... write resumed>) = 18 [pid 308] mkdir("./76", 0777 [pid 1092] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... mkdir resumed>) = 0 [pid 1092] <... socket resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 1093 attached [pid 1092] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1093] set_robust_list(0x555593f8a6a0, 24 [pid 1092] <... socket resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1093] <... set_robust_list resumed>) = 0 [pid 1092] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1093] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1094 [pid 1093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1093] chdir("./78" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1093] <... chdir resumed>) = 0 [pid 1093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1093] setpgid(0, 0) = 0 [pid 1093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1093] write(3, "1000", 4) = 4 [pid 1093] close(3) = 0 [pid 1093] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1093] write(1, "executing program\n", 18) = 18 [pid 1093] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1093] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1093] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 310] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1093] sendfile(-1, -1, [3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1094 attached [pid 1093] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1094] set_robust_list(0x555593f8a6a0, 24 [pid 1093] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... openat resumed>) = 3 [pid 1094] <... set_robust_list resumed>) = 0 [pid 1093] <... clone3 resumed>) = 1095 [pid 310] fstat(3 [pid 1094] rt_sigprocmask(SIG_SETMASK, [] [pid 1093] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1094] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1093] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] getdents64(3 [pid 1094] chdir("./76" [pid 1093] exit_group(0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1094] <... chdir resumed>) = 0 [pid 1093] <... exit_group resumed>) = ? [pid 310] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1093] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1094] <... prctl resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./75/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1094] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1094] <... setpgid resumed>) = 0 [pid 310] unlink("./75/binderfs" [pid 1094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1094] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 1094] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1094] <... write resumed>) = 4 [pid 310] close(3 [pid 307] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1094] close(3 [pid 310] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1094] <... close resumed>) = 0 [pid 310] rmdir("./75" [pid 307] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1094] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 1094] <... symlink resumed>) = 0 [pid 310] mkdir("./76", 0777 [pid 307] fstat(3 executing program [pid 1094] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1094] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 1094] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1094] <... socket resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1094] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1094] <... socket resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1096 [pid 307] newfstatat(AT_FDCWD, "./78/binderfs" [pid 1094] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1094] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./78/binderfs" [pid 1094] sendfile(-1, -1, [3 [pid 307] <... unlink resumed>) = 0 [pid 1094] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] getdents64(3 [pid 1094] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 1096 attached [pid 1094] <... clone3 resumed>) = 1097 [pid 307] close(3 [pid 1096] set_robust_list(0x555593f8a6a0, 24 [pid 1094] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... close resumed>) = 0 [pid 1096] <... set_robust_list resumed>) = 0 [pid 1094] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] rmdir("./78" [pid 1096] rt_sigprocmask(SIG_SETMASK, [] [pid 1094] exit_group(0 [pid 307] <... rmdir resumed>) = 0 [pid 1096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1094] <... exit_group resumed>) = ? [pid 307] mkdir("./79", 0777 [pid 1096] chdir("./76" [pid 1094] +++ exited with 0 +++ [ 30.997736][ T1047] R10: dffffc0000000000 R11: ffffed1021ab0011 R12: dffffc0000000000 [ 31.005777][ T1047] R13: dffffc0000000000 R14: 0000000012062680 R15: ffff888110357000 [ 31.013811][ T1047] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 31.022831][ T1047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.029452][ T1047] CR2: 00007f1cc08655bc CR3: 000000000700f000 CR4: 00000000003506b0 [ 31.037512][ T1047] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 307] <... mkdir resumed>) = 0 [pid 1096] <... chdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1096] <... prctl resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1096] setpgid(0, 0) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1098 [pid 1096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1096] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1096] write(3, "1000", 4) = 4 [pid 1096] close(3) = 0 [ 31.045545][ T1047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.053624][ T1047] Call Trace: [ 31.056939][ T1047] [ 31.059907][ T1047] pppol2tp_release+0x150/0x2b0 [ 31.064845][ T1047] sock_close+0xc9/0x220 [ 31.069128][ T1047] ? __cfi_sock_close+0x10/0x10 [ 31.074047][ T1047] __fput+0x1fd/0x8f0 [ 31.078103][ T1047] ____fput+0x15/0x20 [ 31.082123][ T1047] task_work_run+0x1e1/0x250 [ 31.086805][ T1047] ? __cfi_task_work_run+0x10/0x10 [ 31.091953][ T1047] ? free_nsproxy+0x21f/0x270 [ 31.096733][ T1047] do_exit+0xb0d/0x29f0 [ 31.100942][ T1047] ? __cfi_do_exit+0x10/0x10 [ 31.105614][ T1047] ? xfd_validate_state+0x70/0x150 [ 31.110763][ T1047] ? __kasan_check_write+0x14/0x20 [ 31.115941][ T1047] __x64_sys_exit+0x40/0x40 [ 31.120493][ T1047] x64_sys_call+0x67/0x9a0 [ 31.124976][ T1047] do_syscall_64+0x4c/0xa0 [ 31.129452][ T1047] ? clear_bhb_loop+0x30/0x80 [ 31.134195][ T1047] ? clear_bhb_loop+0x30/0x80 [ 31.138907][ T1047] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.144878][ T1047] RIP: 0033:0x7f1cc07fe169 [ 31.149319][ T1047] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 31.156398][ T1047] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.164872][ T1047] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 31.172911][ T1047] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.180950][ T1047] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 31.188987][ T1047] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 1096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1096] write(1, "executing program\n", 18) = 18 [pid 1096] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1096] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1096] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 1098 attached ) = -1 EEXIST (File exists) [pid 308] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1098] set_robust_list(0x555593f8a6a0, 24 [pid 1096] sendfile(-1, -1, [3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1098] <... set_robust_list resumed>) = 0 [pid 1096] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1098] rt_sigprocmask(SIG_SETMASK, [] [pid 1096] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... openat resumed>) = 3 [pid 1098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1096] <... clone3 resumed>) = 1099 [pid 308] fstat(3 [pid 1098] chdir("./79" [pid 1096] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1098] <... chdir resumed>) = 0 [pid 1096] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] getdents64(3 [pid 1098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1096] exit_group(0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1098] <... prctl resumed>) = 0 [pid 1096] <... exit_group resumed>) = ? [pid 308] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1098] setpgid(0, 0 [pid 1096] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1098] <... setpgid resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./76/binderfs" [pid 1098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1098] <... openat resumed>) = 3 [pid 308] unlink("./76/binderfs" [pid 1098] write(3, "1000", 4 [pid 310] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 1098] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 1098] close(3 [pid 310] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1098] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] close(3 [pid 1098] symlink("/dev/binderfs", "./binderfs" [pid 310] fstat(3 [pid 308] <... close resumed>) = 0 [pid 1098] <... symlink resumed>) = 0 [pid 1087] <... socket resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./76" [pid 1098] write(1, "executing program\n", 18 [pid 1087] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 1098] <... write resumed>) = 18 executing program executing program executing program executing program [pid 1087] <... socket resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] mkdir("./77", 0777 [pid 1098] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1087] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 1098] <... socket resumed>) = 3 [pid 1087] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1098] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1087] sendfile(-1, -1, [3 [pid 310] newfstatat(AT_FDCWD, "./76/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1098] <... socket resumed>) = 4 [pid 1087] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1098] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1087] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] unlink("./76/binderfs" [pid 1098] <... connect resumed>) = -1 EEXIST (File exists) [pid 1087] <... clone3 resumed>) = 1101 [pid 310] <... unlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1100 [pid 1098] sendfile(-1, -1, [3 [pid 1087] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1098] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1087] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1098] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1087] exit_group(0 [pid 310] close(3ci2-android-6-1/strace-static-x86_64: Process 1100 attached [pid 1098] <... clone3 resumed>) = 1102 [pid 1087] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 1100] set_robust_list(0x555593f8a6a0, 24 [pid 1098] ioctl(3, PPPIOCSMRU, 0 [pid 1087] +++ exited with 0 +++ [pid 310] rmdir("./76" [pid 1100] <... set_robust_list resumed>) = 0 [pid 1098] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1100] rt_sigprocmask(SIG_SETMASK, [] [pid 1098] exit_group(0 [pid 310] mkdir("./77", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1098] <... exit_group resumed>) = ? [pid 310] <... mkdir resumed>) = 0 [pid 1100] chdir("./77" [pid 1098] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 1100] <... chdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1100] <... prctl resumed>) = 0 [pid 306] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1100] setpgid(0, 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1103 [pid 307] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1100] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 1100] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 1100] write(3, "1000", 4 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 1103 attached [pid 1100] <... write resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 1103] set_robust_list(0x555593f8a6a0, 24 [pid 1100] close(3 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1103] <... set_robust_list resumed>) = 0 [pid 1100] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1103] rt_sigprocmask(SIG_SETMASK, [] [pid 1100] symlink("/dev/binderfs", "./binderfs" [pid 307] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1103] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1100] <... symlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./80/binderfs" [pid 1103] chdir("./77" [pid 1100] write(1, "executing program\n", 18 [pid 307] newfstatat(AT_FDCWD, "./79/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1103] <... chdir resumed>) = 0 [pid 1100] <... write resumed>) = 18 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./80/binderfs" [pid 1103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1100] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] unlink("./79/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 1103] <... prctl resumed>) = 0 [pid 1100] <... socket resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 1103] setpgid(0, 0 [pid 1100] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1103] <... setpgid resumed>) = 0 [pid 1100] <... socket resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 1103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1100] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 1103] <... openat resumed>) = 3 [pid 1100] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./80" [pid 1103] write(3, "1000", 4 [pid 1100] sendfile(-1, -1, [3 [pid 307] rmdir("./79" [pid 306] <... rmdir resumed>) = 0 [pid 1103] <... write resumed>) = 4 [pid 1100] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./81", 0777 [pid 1103] close(3 [pid 1100] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] mkdir("./80", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 1103] <... close resumed>) = 0 [pid 1100] <... clone3 resumed>) = 1104 [pid 307] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1103] symlink("/dev/binderfs", "./binderfs" [pid 1100] ioctl(3, PPPIOCSMRU, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1103] <... symlink resumed>) = 0 [pid 1100] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1103] write(1, "executing program\n", 18 [pid 1100] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1103] <... write resumed>) = 18 [pid 1100] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1105 [pid 1103] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1100] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1106 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1103] <... socket resumed>) = 3 [pid 1092] <... connect resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1103] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1092] sendfile(-1, -1, [3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1103] <... socket resumed>) = 4 [pid 1092] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1103] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1092] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1103] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1103] sendfile(-1, -1, [3 [pid 308] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1103] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 1105 attached [pid 1103] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1092] <... clone3 resumed>) = 1107 [pid 308] fstat(3 [pid 1105] set_robust_list(0x555593f8a6a0, 24 [pid 1103] <... clone3 resumed>) = 1108 [pid 1092] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1105] <... set_robust_list resumed>) = 0 [pid 1103] ioctl(3, PPPIOCSMRU, 0 [pid 1092] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1106 attached [pid 1105] rt_sigprocmask(SIG_SETMASK, [] [pid 1103] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1092] exit_group(0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1106] set_robust_list(0x555593f8a6a0, 24 [pid 1105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1103] exit_group(0 [pid 1092] <... exit_group resumed>) = ? [pid 308] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1106] <... set_robust_list resumed>) = 0 [pid 1105] chdir("./81" [pid 1103] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1106] rt_sigprocmask(SIG_SETMASK, [] [pid 1105] <... chdir resumed>) = 0 [pid 1103] +++ exited with 0 +++ [pid 1092] +++ exited with 0 +++ [pid 308] newfstatat(AT_FDCWD, "./77/binderfs" [pid 1106] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1092, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1106] chdir("./80" [pid 1105] <... prctl resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] unlink("./77/binderfs" [pid 1106] <... chdir resumed>) = 0 [pid 1105] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 1106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1105] <... setpgid resumed>) = 0 [pid 308] getdents64(3 [pid 1106] <... prctl resumed>) = 0 [pid 1105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1106] setpgid(0, 0 [pid 1105] <... openat resumed>) = 3 [pid 308] close(3 [pid 1106] <... setpgid resumed>) = 0 [pid 1105] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 1106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1105] <... write resumed>) = 4 [pid 308] rmdir("./77" [pid 1106] <... openat resumed>) = 3 [pid 1105] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 1106] write(3, "1000", 4 [pid 1105] <... close resumed>) = 0 [pid 308] mkdir("./78", 0777 [pid 1106] <... write resumed>) = 4 [pid 1105] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 1106] close(3 [pid 1105] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1106] <... close resumed>) = 0 [pid 1105] write(1, "executing program\n", 18 executing program [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1106] symlink("/dev/binderfs", "./binderfs" [pid 1105] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1106] <... symlink resumed>) = 0 [pid 1105] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1106] write(1, "executing program\n", 18 [pid 1105] <... socket resumed>) = 3 executing program [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1109 [pid 1106] <... write resumed>) = 18 [pid 1105] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1106] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1105] <... socket resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1106] <... socket resumed>) = 3 [pid 1105] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1106] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1105] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 1106] <... socket resumed>) = 4 [pid 1105] sendfile(-1, -1, [3 [pid 310] fstat(3 [pid 309] fstat(3 [pid 1106] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1105] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1106] <... connect resumed>) = -1 EEXIST (File exists) [pid 1105] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 1106] sendfile(-1, -1, [3 [pid 1105] <... clone3 resumed>) = 1110 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1106] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1105] ioctl(3, PPPIOCSMRU, 0 [pid 310] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1106] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1105] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1109 attached [pid 1106] <... clone3 resumed>) = 1111 [pid 310] newfstatat(AT_FDCWD, "./77/binderfs" [pid 309] newfstatat(AT_FDCWD, "./80/binderfs" [pid 1106] ioctl(3, PPPIOCSMRU, 0 [pid 1105] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1106] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1105] <... exit_group resumed>) = ? [pid 310] unlink("./77/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1109] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1109] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./80/binderfs" [pid 310] getdents64(3 [pid 1109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1109] chdir("./78" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] close(3 [pid 309] getdents64(3 [pid 1109] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./77" [pid 309] close(3 [pid 1109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1109] setpgid(0, 0 [pid 310] mkdir("./78", 0777 [pid 309] <... close resumed>) = 0 [pid 1109] <... setpgid resumed>) = 0 [pid 1109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1109] write(3, "1000", 4 [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./80" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1109] <... write resumed>) = 4 [pid 1109] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1106] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./81", 0777 [pid 1109] <... close resumed>) = 0 [pid 1109] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1109] write(1, "executing program\n", 18) = 18 [pid 1109] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1109] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1109] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1109] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1109] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1113 [pid 1109] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... mkdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1112 [pid 1106] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1109] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1109] <... exit_group resumed>) = ? [pid 1109] +++ exited with 0 +++ [pid 1105] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1114 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1112 attached [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1112] set_robust_list(0x555593f8a6a0, 24 [pid 306] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1112] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1106] +++ exited with 0 +++ [pid 1112] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 1112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 1112] chdir("./78" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1112] <... chdir resumed>) = 0 [pid 306] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1112] setpgid(0, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1112] <... setpgid resumed>) = 0 [pid 1112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1112] write(3, "1000", 4) = 4 [pid 1112] close(3) = 0 [pid 1112] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1112] write(1, "executing program\n", 18) = 18 [pid 1112] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1112] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1112] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1112] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1112] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1115 [pid 1112] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1112] exit_group(0) = ? [pid 1112] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 1114 attached [pid 1114] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1114] chdir("./81") = 0 [pid 1114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./81/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 308] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./81/binderfs" [pid 1114] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 1114] setpgid(0, 0) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 306] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 306] close(3 [pid 1114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... close resumed>) = 0 [pid 308] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./81" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./78/binderfs" [pid 306] mkdir("./82", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1114] <... openat resumed>) = 3 [pid 1114] write(3, "1000", 4) = 4 [pid 1114] close(3) = 0 [pid 1114] symlink("/dev/binderfs", "./binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 308] unlink("./78/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1114] <... symlink resumed>) = 0 [pid 1114] write(1, "executing program\n", 18) = 18 [pid 1114] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1114] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] close(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1116 [pid 308] <... close resumed>) = 0 executing program [pid 1114] <... socket resumed>) = 4 [pid 308] rmdir("./78" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1114] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./79", 0777 [pid 1114] <... connect resumed>) = -1 EEXIST (File exists) [pid 1114] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1114] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1117 [pid 1114] <... clone3 resumed>) = 1118 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1114] ioctl(3, PPPIOCSMRU, 0ci2-android-6-1/strace-static-x86_64: Process 1117 attached ci2-android-6-1/strace-static-x86_64: Process 1116 attached ) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1117] set_robust_list(0x555593f8a6a0, 24 [pid 1116] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... restart_syscall resumed>) = 0 [pid 1117] <... set_robust_list resumed>) = 0 [pid 1116] <... set_robust_list resumed>) = 0 [pid 1114] exit_group(0 [pid 310] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1114] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./78/binderfs" [pid 307] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./78/binderfs" [pid 307] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] getdents64(3 [pid 307] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 307] newfstatat(AT_FDCWD, "./80/binderfs" [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./78" [pid 307] unlink("./80/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] mkdir("./79", 0777 [pid 307] getdents64(3 [pid 1117] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./80" [pid 1117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1116] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1119 [pid 307] mkdir("./81", 0777 [pid 1117] chdir("./79" [pid 1116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1117] <... chdir resumed>) = 0 [pid 1116] chdir("./82" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1120 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1120 attached [pid 1120] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1120] chdir("./81") = 0 [pid 1120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1120] setpgid(0, 0) = 0 [pid 1120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1120] <... openat resumed>) = 3 [pid 1120] write(3, "1000", 4) = 4 [pid 1120] close(3) = 0 [pid 1120] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1120] write(1, "executing program\n", 18) = 18 [pid 1120] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 1120] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1120] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1120] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1120] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1117] <... prctl resumed>) = 0 [pid 1117] setpgid(0, 0 [pid 1116] <... chdir resumed>) = 0 [pid 1117] <... setpgid resumed>) = 0 [pid 1116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1120] <... clone3 resumed>) = 1121 [pid 1117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1116] <... prctl resumed>) = 0 [pid 1120] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1120] exit_group(0) = ? [pid 1117] <... openat resumed>) = 3 [pid 1116] setpgid(0, 0 [pid 1117] write(3, "1000", 4 [pid 1120] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1117] <... write resumed>) = 4 [pid 1116] <... setpgid resumed>) = 0 [pid 1117] close(3ci2-android-6-1/strace-static-x86_64: Process 1119 attached [pid 1119] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1119] chdir("./79") = 0 [pid 1119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1119] setpgid(0, 0) = 0 [pid 1119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1119] write(3, "1000", 4) = 4 [pid 1119] close(3) = 0 [pid 1119] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1119] write(1, "executing program\n", 18) = 18 executing program [pid 1119] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1119] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1119] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1119] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1119] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1117] <... close resumed>) = 0 [pid 1117] symlink("/dev/binderfs", "./binderfs") = 0 [ 31.197009][ T1047] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 000000000000004b [ 31.205059][ T1047] [ 31.208198][ T1047] ---[ end trace 0000000000000000 ]--- [pid 1117] write(1, "executing program\n", 18 executing program [pid 1116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1117] <... write resumed>) = 18 [pid 1117] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1117] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1117] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1116] <... openat resumed>) = 3 [pid 1117] <... connect resumed>) = -1 EEXIST (File exists) [pid 1116] write(3, "1000", 4 [pid 1117] sendfile(-1, -1, [3 [pid 1119] <... clone3 resumed>) = 1122 [pid 1117] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1116] <... write resumed>) = 4 [pid 1119] ioctl(3, PPPIOCSMRU, 0 [pid 1117] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1116] close(3 [pid 1119] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1119] exit_group(0) = ? [pid 1117] <... clone3 resumed>) = 1123 [pid 1116] <... close resumed>) = 0 [pid 1117] ioctl(3, PPPIOCSMRU, 0 [pid 1116] symlink("/dev/binderfs", "./binderfs" [pid 1119] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1114] +++ exited with 0 +++ [pid 1117] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1116] <... symlink resumed>) = 0 [pid 1117] exit_group(0 [pid 1116] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 1117] <... exit_group resumed>) = ? [pid 1116] <... write resumed>) = 18 [pid 307] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) executing program [pid 307] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./81/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./81") = 0 [pid 307] mkdir("./82", 0777 [pid 1117] +++ exited with 0 +++ [pid 1116] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... mkdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1116] <... socket resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1116] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 ci2-android-6-1/strace-static-x86_64: Process 1124 attached [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1124 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1124] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1116] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1124] <... set_robust_list resumed>) = 0 [pid 1116] <... connect resumed>) = -1 EEXIST (File exists) [pid 1124] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 1124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1116] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1116] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1124] chdir("./82" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1124] <... chdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] fstat(3 [pid 1124] <... prctl resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1124] setpgid(0, 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... restart_syscall resumed>) = 0 [pid 1124] <... setpgid resumed>) = 0 [pid 308] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./79/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./79/binderfs" [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] <... unlink resumed>) = 0 [pid 1124] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1124] write(3, "1000", 4 [pid 308] close(3 [pid 309] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./79" [pid 1124] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./81/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 1124] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] mkdir("./80", 0777 [pid 309] unlink("./81/binderfs" [pid 1116] <... clone3 resumed>) = 1125 [pid 1116] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... mkdir resumed>) = 0 [pid 1116] exit_group(0) = ? [pid 309] <... unlink resumed>) = 0 [pid 1124] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1124] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1124] <... symlink resumed>) = 0 [pid 309] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1126 attached [pid 1124] write(1, "executing program\n", 18 [pid 1116] +++ exited with 0 +++ executing program [pid 309] <... close resumed>) = 0 [pid 1126] set_robust_list(0x555593f8a6a0, 24 [pid 1124] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./81" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1126 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1126] <... set_robust_list resumed>) = 0 [pid 1126] rt_sigprocmask(SIG_SETMASK, [] [pid 1124] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1124] <... socket resumed>) = 3 [pid 309] mkdir("./82", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1126] chdir("./80" [pid 1124] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] <... chdir resumed>) = 0 [pid 1126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1126] setpgid(0, 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1124] <... socket resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1126] <... openat resumed>) = 3 [pid 1124] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1124] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 1124] sendfile(-1, -1, [3 [pid 310] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1124] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1126] write(3, "1000", 4) = 4 [pid 1126] close(3) = 0 [pid 1126] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1124] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] getdents64(3 [pid 1126] write(1, "executing program\n", 18) = 18 [pid 1126] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1126] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1126] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1126] sendfile(-1, -1, [3 [pid 1124] <... clone3 resumed>) = 1128 [pid 1126] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1126] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1124] ioctl(3, PPPIOCSMRU, 0 executing program [pid 310] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1127 attached [pid 1124] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1127 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] set_robust_list(0x555593f8a6a0, 24 [pid 1126] <... clone3 resumed>) = 1129 [pid 1124] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./79/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1127] <... set_robust_list resumed>) = 0 [pid 1126] ioctl(3, PPPIOCSMRU, 0 [pid 1124] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 1127] rt_sigprocmask(SIG_SETMASK, [] [pid 1126] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1126] exit_group(0) = ? [pid 1127] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1126] +++ exited with 0 +++ [pid 1124] +++ exited with 0 +++ [pid 310] unlink("./79/binderfs" [pid 306] fstat(3 [pid 1127] chdir("./82" [pid 310] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1127] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 1127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1127] <... prctl resumed>) = 0 [pid 310] close(3 [pid 306] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] <... setpgid resumed>) = 0 [pid 310] rmdir("./79" [pid 308] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./82/binderfs" [pid 307] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./80", 0777 [pid 1127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 306] unlink("./82/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./82/binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./82/binderfs" [pid 1127] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1127] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 1127] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1127] close(3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./82") = 0 [pid 307] mkdir("./83", 0777ci2-android-6-1/strace-static-x86_64: Process 1130 attached [pid 1127] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1130 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 1127] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./82" [pid 1130] set_robust_list(0x555593f8a6a0, 24 [pid 1127] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 executing program ci2-android-6-1/strace-static-x86_64: Process 1131 attached [pid 1127] write(1, "executing program\n", 18 [pid 308] newfstatat(AT_FDCWD, "./80/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1131 [pid 306] mkdir("./83", 0777 [pid 1131] set_robust_list(0x555593f8a6a0, 24 [pid 1130] <... set_robust_list resumed>) = 0 [pid 1127] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1131] <... set_robust_list resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1131] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 1131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1127] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] unlink("./80/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1131] chdir("./83" [pid 1127] <... socket resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1127] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1127] <... socket resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1131] <... chdir resumed>) = 0 [pid 1131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1131] setpgid(0, 0) = 0 [pid 1131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(3 [pid 1131] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 1131] write(3, "1000", 4) = 4 [pid 1131] close(3) = 0 [pid 1131] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1131] write(1, "executing program\n", 18) = 18 [pid 1131] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1131] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 executing program [pid 308] rmdir("./80" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1132 [pid 1127] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1131] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rmdir resumed>) = 0 [pid 1127] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./81", 0777 [pid 1127] sendfile(-1, -1, [3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1131] <... connect resumed>) = -1 EEXIST (File exists) [pid 1131] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1131] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... mkdir resumed>) = 0 [pid 1127] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1127] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1131] <... clone3 resumed>) = 1134 [pid 1127] <... clone3 resumed>) = 1133 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1131] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1131] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 1135 attached [pid 1131] +++ exited with 0 +++ [pid 1130] rt_sigprocmask(SIG_SETMASK, [] [pid 1127] ioctl(3, PPPIOCSMRU, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1132 attached [pid 1135] set_robust_list(0x555593f8a6a0, 24 [pid 1130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1127] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1135 [pid 1132] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1132] chdir("./83" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1127] exit_group(0 [pid 1130] chdir("./80" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1132] <... chdir resumed>) = 0 [pid 1132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1132] setpgid(0, 0 [pid 1135] <... set_robust_list resumed>) = 0 [pid 1130] <... chdir resumed>) = 0 [pid 1127] <... exit_group resumed>) = ? [pid 1132] <... setpgid resumed>) = 0 [pid 1132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1132] write(3, "1000", 4) = 4 [pid 1132] close(3) = 0 [pid 1127] +++ exited with 0 +++ [pid 1130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1132] symlink("/dev/binderfs", "./binderfs" [pid 1130] <... prctl resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1132] <... symlink resumed>) = 0 [pid 1130] setpgid(0, 0 [pid 1135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1132] write(1, "executing program\n", 18 executing program [pid 1130] <... setpgid resumed>) = 0 [pid 1135] chdir("./81" [pid 1132] <... write resumed>) = 18 [pid 1132] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1132] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1130] <... openat resumed>) = 3 [pid 1135] <... chdir resumed>) = 0 [pid 1130] write(3, "1000", 4 [pid 1135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1132] <... socket resumed>) = 4 [pid 1130] <... write resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 1135] <... prctl resumed>) = 0 [pid 1132] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1130] close(3 [pid 1135] setpgid(0, 0 [pid 1132] <... connect resumed>) = -1 EEXIST (File exists) [pid 1130] <... close resumed>) = 0 [pid 1135] <... setpgid resumed>) = 0 [pid 1130] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 1135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1132] sendfile(-1, -1, [3 [pid 1130] <... symlink resumed>) = 0 [pid 307] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1135] <... openat resumed>) = 3 [pid 1130] write(1, "executing program\n", 18 [pid 1135] write(3, "1000", 4 [pid 1130] <... write resumed>) = 18 [pid 309] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1135] <... write resumed>) = 4 [pid 1130] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1135] close(3 [pid 1130] <... socket resumed>) = 3 [pid 309] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1135] <... close resumed>) = 0 [pid 1130] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... openat resumed>) = 3 [pid 1135] symlink("/dev/binderfs", "./binderfs" [pid 1130] <... socket resumed>) = 4 [pid 309] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 1135] <... symlink resumed>) = 0 [pid 1132] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1130] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1135] write(1, "executing program\n", 18 [pid 1130] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 309] getdents64(3 [pid 307] fstat(3 [pid 1135] <... write resumed>) = 18 [pid 1130] sendfile(-1, -1, [3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1135] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1132] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1130] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1135] <... socket resumed>) = 3 [pid 1130] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1135] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1132] <... clone3 resumed>) = 1136 [pid 1130] <... clone3 resumed>) = 1137 [pid 309] newfstatat(AT_FDCWD, "./82/binderfs" [pid 307] getdents64(3 [pid 1135] <... socket resumed>) = 4 [pid 1130] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1135] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1132] ioctl(3, PPPIOCSMRU, 0 [pid 1130] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] unlink("./82/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1135] <... connect resumed>) = -1 EEXIST (File exists) [pid 1130] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 1135] sendfile(-1, -1, [3 [pid 1130] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 307] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1135] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1132] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1130] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1135] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(3 [pid 1135] <... clone3 resumed>) = 1138 [pid 1132] exit_group(0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1135] ioctl(3, PPPIOCSMRU, 0 [pid 309] rmdir("./82" [pid 1135] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... rmdir resumed>) = 0 [pid 1135] exit_group(0 [pid 309] mkdir("./83", 0777 [pid 1135] <... exit_group resumed>) = ? [pid 1132] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./83/binderfs" [pid 1135] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1132] +++ exited with 0 +++ [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 1139 attached [pid 1139] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1139 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./83/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1139] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1139] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1139] chdir("./83" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 1139] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 1139] <... prctl resumed>) = 0 [pid 310] fstat(3 [pid 1139] setpgid(0, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1139] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 1139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1139] <... openat resumed>) = 3 [pid 310] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 1139] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1139] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./80/binderfs" [pid 1139] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1139] <... close resumed>) = 0 [pid 310] unlink("./80/binderfs" [pid 1139] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1139] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 1139] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1139] <... write resumed>) = 18 [pid 310] close(3 executing program [pid 1139] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... close resumed>) = 0 [pid 1139] <... socket resumed>) = 3 [pid 310] rmdir("./80" [pid 1139] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... rmdir resumed>) = 0 [pid 1139] <... socket resumed>) = 4 [pid 310] mkdir("./81", 0777 [pid 307] close(3 [pid 1139] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... mkdir resumed>) = 0 [pid 1139] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 1139] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1139] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./83"ci2-android-6-1/strace-static-x86_64: Process 1140 attached [pid 1139] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... restart_syscall resumed>) = 0 [pid 1140] set_robust_list(0x555593f8a6a0, 24 [pid 1139] <... clone3 resumed>) = 1141 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1140 [pid 307] <... rmdir resumed>) = 0 [pid 1140] <... set_robust_list resumed>) = 0 [pid 1139] ioctl(3, PPPIOCSMRU, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./84", 0777 [pid 1140] rt_sigprocmask(SIG_SETMASK, [] [pid 1139] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1139] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1140] chdir("./81" [pid 1139] <... exit_group resumed>) = ? [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1140] <... chdir resumed>) = 0 [pid 1139] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 1140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(3 [pid 1140] <... prctl resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1140] setpgid(0, 0 [pid 306] getdents64(3 [pid 1140] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1140] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1140] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1142 [pid 306] newfstatat(AT_FDCWD, "./83/binderfs" [pid 1140] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1140] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./83/binderfs" [pid 1140] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1140] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 1140] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1140] write(1, "executing program\n", 18 [pid 306] close(3 executing program [pid 1140] <... write resumed>) = 18 [pid 306] <... close resumed>) = 0 [pid 1140] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] rmdir("./83" [pid 1140] <... socket resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 1140] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] mkdir("./84", 0777ci2-android-6-1/strace-static-x86_64: Process 1142 attached [pid 1140] <... socket resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1140] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1140] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1140] sendfile(-1, -1, [3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1142] set_robust_list(0x555593f8a6a0, 24 [pid 1140] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1143 attached [pid 1140] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] set_robust_list(0x555593f8a6a0, 24 [pid 1142] <... set_robust_list resumed>) = 0 [pid 1140] <... clone3 resumed>) = 1144 [pid 309] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1143 [pid 1143] <... set_robust_list resumed>) = 0 [pid 1140] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1143] rt_sigprocmask(SIG_SETMASK, [] [pid 1140] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1140] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1143] chdir("./84" [pid 1140] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 308] fstat(3 [pid 1143] <... chdir resumed>) = 0 [pid 1142] rt_sigprocmask(SIG_SETMASK, [] [pid 1140] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1143] <... prctl resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1143] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./83/binderfs" [pid 308] getdents64(3 [pid 1143] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] unlink("./83/binderfs" [pid 1143] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1143] write(3, "1000", 4 [pid 309] getdents64(3 [pid 1143] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] close(3 [pid 309] close(3 [pid 1143] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1143] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./83" [pid 1143] <... symlink resumed>) = 0 [pid 1142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./81/binderfs" [pid 1143] write(1, "executing program\n", 18 executing program [pid 1142] chdir("./84" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1143] <... write resumed>) = 18 [pid 309] mkdir("./84", 0777 [pid 308] unlink("./81/binderfs" [pid 1143] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1143] <... socket resumed>) = 3 [pid 1142] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... unlink resumed>) = 0 [pid 1143] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 1143] <... socket resumed>) = 4 [pid 1142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1143] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1142] <... prctl resumed>) = 0 [pid 310] fstat(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1143] <... connect resumed>) = -1 EEXIST (File exists) [pid 1142] setpgid(0, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 1145 attached [pid 1143] sendfile(-1, -1, [3 [pid 1142] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1145 [pid 308] <... close resumed>) = 0 [pid 1145] set_robust_list(0x555593f8a6a0, 24 [pid 1143] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./81" [pid 1145] <... set_robust_list resumed>) = 0 [pid 1143] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 1142] <... openat resumed>) = 3 [pid 308] mkdir("./82", 0777 [pid 1143] <... clone3 resumed>) = 1146 [pid 1142] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 1145] rt_sigprocmask(SIG_SETMASK, [] [pid 1143] ioctl(3, PPPIOCSMRU, 0 [pid 1142] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./81/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1143] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1142] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1145] chdir("./84" [pid 1143] exit_group(0 [pid 1142] <... close resumed>) = 0 [pid 310] unlink("./81/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1145] <... chdir resumed>) = 0 [pid 1143] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1147 attached [pid 1145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1142] symlink("/dev/binderfs", "./binderfs" [pid 1147] set_robust_list(0x555593f8a6a0, 24 [pid 1143] +++ exited with 0 +++ [pid 1142] <... symlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1147 [pid 1147] <... set_robust_list resumed>) = 0 [pid 1145] <... prctl resumed>) = 0 [pid 1142] write(1, "executing program\n", 18 executing program [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1147] rt_sigprocmask(SIG_SETMASK, [] [pid 1145] setpgid(0, 0 [pid 1142] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1145] <... setpgid resumed>) = 0 [pid 1142] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1147] chdir("./82" [pid 1145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1142] <... socket resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1145] <... openat resumed>) = 3 [pid 1142] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] rmdir("./81" [pid 1147] <... chdir resumed>) = 0 [pid 1145] write(3, "1000", 4 [pid 1142] <... socket resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 1145] <... write resumed>) = 4 [pid 310] mkdir("./82", 0777 [pid 306] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1145] close(3 [pid 1142] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... mkdir resumed>) = 0 [pid 1147] <... prctl resumed>) = 0 [pid 1145] <... close resumed>) = 0 [pid 1142] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1147] setpgid(0, 0 [pid 1145] symlink("/dev/binderfs", "./binderfs" [pid 1142] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1147] <... setpgid resumed>) = 0 [pid 1142] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1145] <... symlink resumed>) = 0 [pid 1142] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 1148 attached [pid 1147] <... openat resumed>) = 3 [pid 1145] write(1, "executing program\n", 18 [pid 1142] <... clone3 resumed>) = 1149 executing program [pid 306] fstat(3 [pid 1148] set_robust_list(0x555593f8a6a0, 24 [pid 1147] write(3, "1000", 4 [pid 1145] <... write resumed>) = 18 [pid 1142] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1148 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1147] <... write resumed>) = 4 [pid 1145] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1142] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1147] close(3 [pid 1145] <... socket resumed>) = 3 [pid 1142] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 1147] <... close resumed>) = 0 [pid 1145] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1142] <... exit_group resumed>) = ? [pid 1148] <... set_robust_list resumed>) = 0 [pid 1147] symlink("/dev/binderfs", "./binderfs" [pid 1145] <... socket resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1148] rt_sigprocmask(SIG_SETMASK, [] [pid 1145] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1145] <... connect resumed>) = -1 EEXIST (File exists) [pid 1142] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1148] chdir("./82" [pid 1147] <... symlink resumed>) = 0 [pid 1145] sendfile(-1, -1, [3 [pid 306] newfstatat(AT_FDCWD, "./84/binderfs" [pid 1148] <... chdir resumed>) = 0 [pid 1147] write(1, "executing program\n", 18 executing program [pid 1145] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1147] <... write resumed>) = 18 [pid 1145] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./84/binderfs" [pid 1147] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1147] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1147] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1147] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1147] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1145] <... clone3 resumed>) = 1150 [pid 306] <... unlink resumed>) = 0 [pid 1148] <... prctl resumed>) = 0 [pid 1147] <... clone3 resumed>) = 1151 [pid 1145] ioctl(3, PPPIOCSMRU, 0 [pid 306] getdents64(3 [pid 1148] setpgid(0, 0 [pid 1147] ioctl(3, PPPIOCSMRU, 0 [pid 1145] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1147] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1147] exit_group(0 [pid 1145] exit_group(0 [pid 306] close(3 [pid 1147] <... exit_group resumed>) = ? [pid 1145] <... exit_group resumed>) = ? [pid 307] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1148] <... setpgid resumed>) = 0 [pid 1147] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1145] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... openat resumed>) = 3 [pid 306] rmdir("./84" [pid 1148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 307] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1148] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 306] mkdir("./85", 0777 [pid 1148] write(3, "1000", 4 [pid 308] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1148] <... write resumed>) = 4 [pid 308] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./84/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1148] close(3 [pid 308] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1148] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] unlink("./84/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1148] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 308] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] close(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1152 [pid 1148] <... symlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./82/binderfs" [pid 307] <... close resumed>) = 0 [pid 1148] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./84" [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1152 attached [pid 1148] <... write resumed>) = 18 [pid 308] unlink("./82/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1152] set_robust_list(0x555593f8a6a0, 24 [pid 1148] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... unlink resumed>) = 0 [pid 307] mkdir("./85", 0777 [pid 1152] <... set_robust_list resumed>) = 0 [pid 1148] <... socket resumed>) = 3 [pid 308] getdents64(3 [pid 1152] rt_sigprocmask(SIG_SETMASK, [] [pid 1148] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... mkdir resumed>) = 0 [pid 1152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1148] <... socket resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1152] chdir("./85" [pid 1148] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] close(3 [pid 1152] <... chdir resumed>) = 0 [pid 1148] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1148] sendfile(-1, -1, [3 [pid 308] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1152] <... prctl resumed>) = 0 [pid 1148] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rmdir("./82" [pid 1152] setpgid(0, 0 [pid 1148] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./83", 0777 [pid 1148] <... clone3 resumed>) = 1154 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1153 ci2-android-6-1/strace-static-x86_64: Process 1153 attached [pid 1152] <... setpgid resumed>) = 0 [pid 1148] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1148] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1153] set_robust_list(0x555593f8a6a0, 24 [pid 1152] <... openat resumed>) = 3 [pid 1148] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1155 attached [pid 1153] <... set_robust_list resumed>) = 0 [pid 1152] write(3, "1000", 4 [pid 1148] <... exit_group resumed>) = ? [pid 1155] set_robust_list(0x555593f8a6a0, 24 [pid 1153] rt_sigprocmask(SIG_SETMASK, [] [pid 1152] <... write resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1155 [pid 1155] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1155] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1155] chdir("./83" [pid 1148] +++ exited with 0 +++ [pid 1153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1152] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1155] <... chdir resumed>) = 0 [pid 1155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1153] chdir("./85" [pid 1152] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1153] <... chdir resumed>) = 0 [pid 1152] symlink("/dev/binderfs", "./binderfs" [pid 309] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1155] setpgid(0, 0 [pid 1153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1152] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1155] <... setpgid resumed>) = 0 [pid 1155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1153] <... prctl resumed>) = 0 [pid 1155] <... openat resumed>) = 3 [pid 1153] setpgid(0, 0 [pid 1152] write(1, "executing program\n", 18 [pid 309] fstat(3 [pid 1153] <... setpgid resumed>) = 0 [pid 1152] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 1152] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1155] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1152] <... socket resumed>) = 3 [pid 1155] <... write resumed>) = 4 [pid 1152] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1155] close(3 [pid 1153] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1155] <... close resumed>) = 0 [pid 1152] <... socket resumed>) = 4 [pid 310] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1155] symlink("/dev/binderfs", "./binderfs" [pid 1152] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 executing program [pid 1153] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1153] <... write resumed>) = 4 [pid 1152] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./84/binderfs" [pid 1153] close(3 [pid 1152] sendfile(-1, -1, [3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1153] <... close resumed>) = 0 [pid 1152] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1153] symlink("/dev/binderfs", "./binderfs" [pid 1152] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] getdents64(3 [pid 309] unlink("./84/binderfs" [pid 1155] <... symlink resumed>) = 0 [pid 1153] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1155] write(1, "executing program\n", 18) = 18 [pid 1155] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1155] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1155] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1155] sendfile(-1, -1, [3 [pid 1152] <... clone3 resumed>) = 1156 [pid 1153] write(1, "executing program\n", 18 [pid 310] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1153] <... write resumed>) = 18 [pid 1152] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./82/binderfs" [pid 1153] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1152] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1153] <... socket resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 1155] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program executing program [pid 1155] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1153] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1152] exit_group(0 [pid 310] unlink("./82/binderfs" [pid 309] rmdir("./84" [pid 1155] <... clone3 resumed>) = 1157 [pid 1153] <... socket resumed>) = 4 [pid 1152] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1155] ioctl(3, PPPIOCSMRU, 0 [pid 1153] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1155] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1155] exit_group(0) = ? [pid 1153] <... connect resumed>) = -1 EEXIST (File exists) [pid 1152] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 309] mkdir("./85", 0777 [pid 1155] +++ exited with 0 +++ [pid 1153] sendfile(-1, -1, [3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1153] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1153] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 1153] <... clone3 resumed>) = 1158 [pid 310] rmdir("./82" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./83/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./83") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./84", 0777 [pid 1153] ioctl(3, PPPIOCSMRU, 0 [pid 310] mkdir("./83", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1153] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... mkdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1159 attached [pid 1153] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1159 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 1159] set_robust_list(0x555593f8a6a0, 24 [pid 1153] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1159] <... set_robust_list resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1159] rt_sigprocmask(SIG_SETMASK, [] [pid 1153] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1160 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1159] chdir("./85" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1159] <... chdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1161 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1159] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1159] setpgid(0, 0 [pid 306] <... openat resumed>) = 3 [pid 1159] <... setpgid resumed>) = 0 [pid 306] fstat(3 [pid 1159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1159] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 1159] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1159] <... write resumed>) = 4 [pid 306] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./85/binderfs" [pid 1159] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1159] symlink("/dev/binderfs", "./binderfs" [pid 306] unlink("./85/binderfs" [pid 1159] <... symlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1159] write(1, "executing program\n", 18 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1161 attached ci2-android-6-1/strace-static-x86_64: Process 1160 attached , 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1161] set_robust_list(0x555593f8a6a0, 24 [pid 1160] set_robust_list(0x555593f8a6a0, 24 [pid 306] close(3 [pid 1161] <... set_robust_list resumed>) = 0 [pid 1160] <... set_robust_list resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1161] rt_sigprocmask(SIG_SETMASK, [] [pid 1160] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./85" [pid 1161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1161] chdir("./83" [pid 1160] chdir("./84" [pid 306] mkdir("./86", 0777 [pid 1161] <... chdir resumed>) = 0 [pid 1160] <... chdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1161] <... prctl resumed>) = 0 [pid 1160] <... prctl resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1161] setpgid(0, 0 [pid 1160] setpgid(0, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1161] <... setpgid resumed>) = 0 [pid 1160] <... setpgid resumed>) = 0 [pid 1161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1162 [pid 1161] <... openat resumed>) = 3 [pid 1160] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1161] write(3, "1000", 4 [pid 1160] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1161] <... write resumed>) = 4 [pid 1160] <... write resumed>) = 4 [pid 1161] close(3 [pid 1160] close(3 [pid 1161] <... close resumed>) = 0 [pid 1160] <... close resumed>) = 0 [pid 307] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1161] symlink("/dev/binderfs", "./binderfs" [pid 1160] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1161] <... symlink resumed>) = 0 [pid 1160] <... symlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1161] write(1, "executing program\n", 18 [pid 1160] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 executing program executing program ci2-android-6-1/strace-static-x86_64: Process 1162 attached [pid 1161] <... write resumed>) = 18 [pid 1160] <... write resumed>) = 18 [pid 307] fstat(3 [pid 1162] set_robust_list(0x555593f8a6a0, 24 [pid 1161] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1160] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1162] <... set_robust_list resumed>) = 0 [pid 1161] <... socket resumed>) = 3 [pid 1160] <... socket resumed>) = 3 [pid 307] getdents64(3 [pid 1162] rt_sigprocmask(SIG_SETMASK, [] [pid 1161] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1160] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1162] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1161] <... socket resumed>) = 4 [pid 1160] <... socket resumed>) = 4 [pid 307] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1162] chdir("./86" [ 31.389465][ T1107] ------------[ cut here ]------------ [ 31.395062][ T1107] WARNING: CPU: 0 PID: 1107 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 31.405323][ T1107] Modules linked in: [ 31.409262][ T1107] CPU: 0 PID: 1107 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 31.418608][ T1107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 31.429165][ T1107] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 1161] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1160] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1162] <... chdir resumed>) = 0 [pid 1160] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] newfstatat(AT_FDCWD, "./85/binderfs" [pid 1162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1160] sendfile(-1, -1, [3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1162] <... prctl resumed>) = 0 [pid 1160] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] unlink("./85/binderfs" [pid 1162] setpgid(0, 0 [pid 1160] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... unlink resumed>) = 0 [pid 1162] <... setpgid resumed>) = 0 [pid 1160] <... clone3 resumed>) = 1163 [pid 307] getdents64(3 [pid 1162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1160] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1162] <... openat resumed>) = 3 [pid 1160] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] close(3 [pid 1162] write(3, "1000", 4 [pid 1160] exit_group(0 [pid 307] <... close resumed>) = 0 [pid 1162] <... write resumed>) = 4 [pid 1160] <... exit_group resumed>) = ? [pid 307] rmdir("./85" [pid 1162] close(3 [pid 1160] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 1162] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] mkdir("./86", 0777 [pid 1162] symlink("/dev/binderfs", "./binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 1162] <... symlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 1162] write(1, "executing program\n", 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1162] <... write resumed>) = 18 [ 31.435601][ T1107] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 31.455287][ T1107] RSP: 0018:ffffc90001827b90 EFLAGS: 00010293 [ 31.461588][ T1107] RAX: ffffffff849ca097 RBX: ffff888116415000 RCX: ffff888115ec5100 [ 31.469648][ T1107] RDX: 0000000000000000 RSI: 000000000e05bb40 RDI: 000000000c04eb7d [ 31.477705][ T1107] RBP: ffffc90001827bb0 R08: ffff888116415083 R09: 1ffff11022c82a10 [ 31.485846][ T1107] R10: dffffc0000000000 R11: ffffed1022c82a11 R12: dffffc0000000000 [ 31.493890][ T1107] R13: dffffc0000000000 R14: 000000000e05bb40 R15: ffff8881151d8000 [ 31.501932][ T1107] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 31.510940][ T1107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.517584][ T1107] CR2: 00007f1cc083d270 CR3: 000000000700f000 CR4: 00000000003506b0 [ 31.525644][ T1107] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.533668][ T1107] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.541669][ T1107] Call Trace: [ 31.545012][ T1107] [ 31.547976][ T1107] pppol2tp_release+0x150/0x2b0 [ 31.552901][ T1107] sock_close+0xc9/0x220 [ 31.557187][ T1107] ? __cfi_sock_close+0x10/0x10 [ 31.562074][ T1107] __fput+0x1fd/0x8f0 [ 31.566139][ T1107] ____fput+0x15/0x20 [ 31.570182][ T1107] task_work_run+0x1e1/0x250 [ 31.574879][ T1107] ? __cfi_task_work_run+0x10/0x10 [ 31.580036][ T1107] ? free_nsproxy+0x21f/0x270 [ 31.584824][ T1107] do_exit+0xb0d/0x29f0 [ 31.589026][ T1107] ? __cfi_do_exit+0x10/0x10 [ 31.593701][ T1107] ? xfd_validate_state+0x70/0x150 [ 31.599029][ T1107] ? __kasan_check_write+0x14/0x20 [ 31.604216][ T1107] __x64_sys_exit+0x40/0x40 [ 31.608763][ T1107] x64_sys_call+0x67/0x9a0 [ 31.613254][ T1107] do_syscall_64+0x4c/0xa0 [ 31.617739][ T1107] ? clear_bhb_loop+0x30/0x80 [ 31.622478][ T1107] ? clear_bhb_loop+0x30/0x80 [ 31.627219][ T1107] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.633175][ T1107] RIP: 0033:0x7f1cc07fe169 [ 31.637652][ T1107] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 31.644732][ T1107] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.653206][ T1107] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 31.661208][ T1107] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.669248][ T1107] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 31.677272][ T1107] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1162] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1164 [pid 1162] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1162] <... socket resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1162] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1162] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1162] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1165 [pid 1162] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1162] exit_group(0 [pid 308] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1164 attached [pid 1162] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1164] set_robust_list(0x555593f8a6a0, 24 [pid 1162] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1164] <... set_robust_list resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 1164] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1164] chdir("./86" [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1164] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 1164] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 1164] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./84/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1164] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 1164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] unlink("./84/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1164] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 306] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1164] write(3, "1000", 4 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1164] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./86/binderfs" [pid 1164] close(3 [pid 308] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1164] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] unlink("./86/binderfs" [pid 1164] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./84" [pid 306] <... unlink resumed>) = 0 [pid 1164] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 1164] write(1, "executing program\n", 18 [pid 308] mkdir("./85", 0777 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1164] <... write resumed>) = 18 [pid 308] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 1164] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 1164] <... socket resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./86" [pid 1164] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 1164] <... socket resumed>) = 4 [pid 306] mkdir("./87", 0777 [pid 1164] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1166 [pid 306] <... mkdir resumed>) = 0 [pid 1164] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1164] sendfile(-1, -1, [3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1164] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program executing program [pid 1164] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1168 [pid 1159] <... write resumed>) = 18 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1167 [pid 1164] ioctl(3, PPPIOCSMRU, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1164] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1166 attached [pid 1164] exit_group(0 [pid 1159] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1166] set_robust_list(0x555593f8a6a0, 24 [pid 1164] <... exit_group resumed>) = ? [pid 1159] <... socket resumed>) = 3 [pid 1166] <... set_robust_list resumed>) = 0 [pid 1164] +++ exited with 0 +++ [pid 1159] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IPci2-android-6-1/strace-static-x86_64: Process 1167 attached [pid 1166] rt_sigprocmask(SIG_SETMASK, [] [pid 1159] <... socket resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1167] set_robust_list(0x555593f8a6a0, 24 [pid 1166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1159] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1167] <... set_robust_list resumed>) = 0 [pid 1166] chdir("./85" [pid 1161] <... connect resumed>) = 0 [pid 1159] <... connect resumed>) = -1 EEXIST (File exists) [pid 1167] rt_sigprocmask(SIG_SETMASK, [] [pid 1166] <... chdir resumed>) = 0 [pid 1161] sendfile(-1, -1, [3 [pid 1159] sendfile(-1, -1, [3 [pid 1167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1161] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1159] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1167] chdir("./87" [pid 1166] <... prctl resumed>) = 0 [pid 1161] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1159] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1167] <... chdir resumed>) = 0 [pid 1166] setpgid(0, 0 [pid 1161] <... clone3 resumed>) = 1170 [pid 1159] <... clone3 resumed>) = 1169 [pid 307] <... restart_syscall resumed>) = 0 [pid 1167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1166] <... setpgid resumed>) = 0 [pid 1161] ioctl(3, PPPIOCSMRU, 0 [pid 1159] ioctl(3, PPPIOCSMRU, 0 [pid 1167] <... prctl resumed>) = 0 [pid 1166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1161] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1159] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1167] setpgid(0, 0 [pid 1166] <... openat resumed>) = 3 [pid 1161] exit_group(0 [pid 1159] exit_group(0 [pid 307] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1167] <... setpgid resumed>) = 0 [pid 1166] write(3, "1000", 4 [pid 1161] <... exit_group resumed>) = ? [pid 1159] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program executing program [pid 1166] <... write resumed>) = 4 [pid 1161] +++ exited with 0 +++ [pid 1159] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1167] <... openat resumed>) = 3 [pid 1166] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1161, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 3 [pid 1167] write(3, "1000", 4 [pid 1166] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3 [pid 1167] <... write resumed>) = 4 [pid 1166] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1167] close(3 [pid 1166] <... symlink resumed>) = 0 [pid 307] getdents64(3 [pid 1167] <... close resumed>) = 0 [pid 1166] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1167] symlink("/dev/binderfs", "./binderfs" [pid 1166] <... write resumed>) = 18 [pid 310] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1167] <... symlink resumed>) = 0 [pid 1166] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] write(1, "executing program\n", 18 [pid 1166] <... socket resumed>) = 3 [pid 310] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./86/binderfs" [pid 1167] <... write resumed>) = 18 [pid 1166] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1167] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1166] <... socket resumed>) = 4 [pid 310] fstat(3 [pid 309] fstat(3 [pid 307] unlink("./86/binderfs" [pid 1167] <... socket resumed>) = 3 [pid 1166] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1167] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1166] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 1167] <... socket resumed>) = 4 [pid 1166] sendfile(-1, -1, [3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1167] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1166] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 1167] <... connect resumed>) = -1 EEXIST (File exists) [pid 1166] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 1167] sendfile(-1, -1, [3 [pid 1166] <... clone3 resumed>) = 1171 [pid 310] newfstatat(AT_FDCWD, "./83/binderfs" [pid 309] newfstatat(AT_FDCWD, "./85/binderfs" [pid 307] rmdir("./86" [pid 1167] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1166] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1167] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1166] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] unlink("./83/binderfs" [pid 309] unlink("./85/binderfs" [pid 307] mkdir("./87", 0777 [pid 1167] <... clone3 resumed>) = 1172 [pid 1166] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1167] ioctl(3, PPPIOCSMRU, 0 [pid 1166] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1167] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1166] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1167] exit_group(0 [pid 310] close(3 [pid 309] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1167] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1167] +++ exited with 0 +++ [pid 310] rmdir("./83" [pid 309] rmdir("./85" [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1173 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./84", 0777 [pid 309] mkdir("./86", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1173 attached [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1173] set_robust_list(0x555593f8a6a0, 24 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 1173] <... set_robust_list resumed>) = 0 [pid 308] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1173] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1174 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1175 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1173] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 1173] chdir("./87" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1173] <... chdir resumed>) = 0 [pid 308] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1174 attached [pid 1173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1174] set_robust_list(0x555593f8a6a0, 24 [pid 1173] <... prctl resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./85/binderfs" [pid 306] <... openat resumed>) = 3 [pid 1174] <... set_robust_list resumed>) = 0 [pid 1173] setpgid(0, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(3 [pid 1174] rt_sigprocmask(SIG_SETMASK, [] [pid 1173] <... setpgid resumed>) = 0 [pid 308] unlink("./85/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1174] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 1174] chdir("./84" [pid 1173] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1174] <... chdir resumed>) = 0 [pid 1173] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1173] <... write resumed>) = 4 [pid 308] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1174] <... prctl resumed>) = 0 [pid 1173] close(3 [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./87/binderfs" [pid 1174] setpgid(0, 0 [pid 1173] <... close resumed>) = 0 [pid 308] rmdir("./85" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1174] <... setpgid resumed>) = 0 [pid 1173] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 306] unlink("./87/binderfs" [pid 1174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1173] <... symlink resumed>) = 0 [pid 308] mkdir("./86", 0777 [pid 306] <... unlink resumed>) = 0 [pid 1174] <... openat resumed>) = 3 [pid 1173] write(1, "executing program\n", 18 [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 1174] write(3, "1000", 4 [pid 1173] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1174] <... write resumed>) = 4 [pid 1173] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(3 [pid 1174] close(3 [pid 1173] <... socket resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 1174] <... close resumed>) = 0 [pid 1173] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] rmdir("./87" [pid 1174] symlink("/dev/binderfs", "./binderfs" [pid 1173] <... socket resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1176 [pid 306] <... rmdir resumed>) = 0 [pid 1174] <... symlink resumed>) = 0 [pid 1173] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./88", 0777 [pid 1174] write(1, "executing program\n", 18 [pid 1173] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1174] <... write resumed>) = 18 [pid 1173] sendfile(-1, -1, [3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1174] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1173] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1174] <... socket resumed>) = 3 [pid 1173] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1174] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1173] <... clone3 resumed>) = 1177 [pid 1174] <... socket resumed>) = 4 [pid 1173] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1178 ci2-android-6-1/strace-static-x86_64: Process 1176 attached [pid 1174] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1173] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1176] set_robust_list(0x555593f8a6a0, 24 [pid 1174] <... connect resumed>) = -1 EEXIST (File exists) executing program executing program [pid 1173] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1176] <... set_robust_list resumed>) = 0 [pid 1174] sendfile(-1, -1, [3 [pid 1173] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 1178 attached ci2-android-6-1/strace-static-x86_64: Process 1175 attached [pid 1176] rt_sigprocmask(SIG_SETMASK, [] [pid 1174] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1178] set_robust_list(0x555593f8a6a0, 24 [pid 1176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1175] set_robust_list(0x555593f8a6a0, 24 [pid 1174] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1173] +++ exited with 0 +++ [pid 1178] <... set_robust_list resumed>) = 0 [pid 1175] <... set_robust_list resumed>) = 0 [pid 1178] rt_sigprocmask(SIG_SETMASK, [] [pid 1175] rt_sigprocmask(SIG_SETMASK, [] [pid 1178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1175] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1178] chdir("./88" [pid 1175] chdir("./86" [pid 1174] <... clone3 resumed>) = 1179 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1173, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1178] <... chdir resumed>) = 0 [pid 1176] chdir("./86" [pid 1175] <... chdir resumed>) = 0 [pid 1178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1174] ioctl(3, PPPIOCSMRU, 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1178] <... prctl resumed>) = 0 [pid 1176] <... chdir resumed>) = 0 [pid 1175] <... prctl resumed>) = 0 [pid 1174] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1178] setpgid(0, 0 [pid 1176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1175] setpgid(0, 0 [pid 1178] <... setpgid resumed>) = 0 [pid 1175] <... setpgid resumed>) = 0 [pid 1174] exit_group(0 [pid 1178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1176] <... prctl resumed>) = 0 [pid 1175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1174] <... exit_group resumed>) = ? [pid 1178] <... openat resumed>) = 3 [pid 1176] setpgid(0, 0 [pid 1175] <... openat resumed>) = 3 [pid 1178] write(3, "1000", 4 [pid 1175] write(3, "1000", 4 [pid 1178] <... write resumed>) = 4 [pid 1175] <... write resumed>) = 4 [pid 1178] close(3 [pid 1175] close(3 [pid 1174] +++ exited with 0 +++ [pid 1178] <... close resumed>) = 0 [pid 1176] <... setpgid resumed>) = 0 [pid 1175] <... close resumed>) = 0 [pid 1178] symlink("/dev/binderfs", "./binderfs" [pid 1175] symlink("/dev/binderfs", "./binderfs" [pid 1176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1178] <... symlink resumed>) = 0 [pid 1178] write(1, "executing program\n", 18 [pid 1176] <... openat resumed>) = 3 [pid 1175] <... symlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1178] <... write resumed>) = 18 executing program [pid 1176] write(3, "1000", 4 [pid 1175] write(1, "executing program\n", 18 [pid 1178] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1176] <... write resumed>) = 4 [pid 1176] close(3 [pid 1175] <... write resumed>) = 18 [pid 1178] <... socket resumed>) = 3 [pid 1176] <... close resumed>) = 0 executing program [pid 1175] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1178] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1176] symlink("/dev/binderfs", "./binderfs" [pid 1178] <... socket resumed>) = 4 [pid 1176] <... symlink resumed>) = 0 [pid 1175] <... socket resumed>) = 3 [pid 1176] write(1, "executing program\n", 18) = 18 [pid 1178] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1176] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1178] <... connect resumed>) = -1 EEXIST (File exists) [pid 1175] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [pid 1176] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1178] sendfile(-1, -1, [3 [pid 1176] <... socket resumed>) = 4 [pid 1175] <... socket resumed>) = 4 [pid 1178] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1176] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1175] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1178] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1176] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1175] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 1176] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1178] <... clone3 resumed>) = 1180 [pid 1175] sendfile(-1, -1, [3 [pid 1178] ioctl(3, PPPIOCSMRU, 0 [pid 1175] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1178] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1176] <... clone3 resumed>) = 1181 [pid 1175] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1176] ioctl(3, PPPIOCSMRU, 0 [pid 310] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1178] exit_group(0 [pid 1176] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1176] exit_group(0 [pid 310] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1176] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 3 [pid 1178] <... exit_group resumed>) = ? [pid 1175] <... clone3 resumed>) = 1182 [pid 1176] +++ exited with 0 +++ [pid 310] fstat(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1178] +++ exited with 0 +++ [pid 1175] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1175] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1175] exit_group(0 [pid 310] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1175] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./84/binderfs" [pid 307] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(3 [pid 310] unlink("./84/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1175] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 310] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 310] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./87/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./84" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 307] unlink("./87/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] mkdir("./85", 0777 [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./88/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 306] unlink("./88/binderfs" [pid 307] rmdir("./87" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1183 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1183 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./88", 0777 [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1183] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1183] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 1183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 308] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./88" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1183] chdir("./85") = 0 [pid 1183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1183] setpgid(0, 0) = 0 [pid 1183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1184 [pid 306] mkdir("./89", 0777 [pid 308] <... openat resumed>) = 3 [pid 1183] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1183] write(3, "1000", 4) = 4 [pid 1183] close(3) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1183] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1183] <... symlink resumed>) = 0 [pid 308] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1183] write(1, "executing program\n", 18) = 18 [pid 1183] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1185 [pid 308] newfstatat(AT_FDCWD, "./86/binderfs" [pid 1183] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 308] unlink("./86/binderfs" [pid 1183] <... socket resumed>) = 4 [pid 1183] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 1183] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1183] sendfile(-1, -1, [3 [pid 308] close(3 [pid 309] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 1183] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./86" [pid 309] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 1183] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... openat resumed>) = 3 [pid 308] mkdir("./87", 0777 [pid 309] fstat(3 [pid 1183] <... clone3 resumed>) = 1186 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1185 attached ci2-android-6-1/strace-static-x86_64: Process 1184 attached [pid 1183] ioctl(3, PPPIOCSMRU, 0 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1183] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1183] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1183] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 1187 attached [pid 1185] set_robust_list(0x555593f8a6a0, 24 [pid 1184] set_robust_list(0x555593f8a6a0, 24 [pid 1183] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./86/binderfs" [pid 1187] set_robust_list(0x555593f8a6a0, 24 [pid 1185] <... set_robust_list resumed>) = 0 [pid 1184] <... set_robust_list resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1187 [pid 1187] <... set_robust_list resumed>) = 0 [pid 1185] rt_sigprocmask(SIG_SETMASK, [] [pid 1184] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./86/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1187] rt_sigprocmask(SIG_SETMASK, [] [pid 1185] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1184] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1185] chdir("./89" [pid 1184] chdir("./88" [pid 309] getdents64(3 [pid 1187] chdir("./87" [pid 1185] <... chdir resumed>) = 0 [pid 1184] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1187] <... chdir resumed>) = 0 [pid 1185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1185] <... prctl resumed>) = 0 [pid 1184] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1187] <... prctl resumed>) = 0 [pid 1185] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./86" [pid 1184] setpgid(0, 0 [pid 1185] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1187] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 1187] <... setpgid resumed>) = 0 [pid 1185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1184] <... setpgid resumed>) = 0 [pid 309] mkdir("./87", 0777 [pid 1187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1185] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 1187] <... openat resumed>) = 3 [pid 1187] write(3, "1000", 4) = 4 [pid 1187] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 1187] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1185] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1185] <... write resumed>) = 4 [pid 1184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1185] close(3 [pid 310] newfstatat(AT_FDCWD, "./85/binderfs" [pid 1187] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1187] write(1, "executing program\n", 18) = 18 [pid 1187] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1188 [pid 1185] <... close resumed>) = 0 [pid 310] unlink("./85/binderfs" [pid 1187] <... socket resumed>) = 3 [pid 1187] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... unlink resumed>) = 0 [pid 1187] <... socket resumed>) = 4 executing program [pid 1185] symlink("/dev/binderfs", "./binderfs" [pid 1184] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1187] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] getdents64(3 [pid 1187] <... connect resumed>) = 0 [pid 1185] <... symlink resumed>) = 0 [pid 1184] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1188 attached [pid 1187] sendfile(-1, -1, [3 [pid 1185] write(1, "executing program\n", 18 [pid 1184] <... write resumed>) = 4 executing program [pid 310] close(3 [pid 1188] set_robust_list(0x555593f8a6a0, 24 [pid 1185] <... write resumed>) = 18 [pid 1184] close(3 [pid 310] <... close resumed>) = 0 [pid 1188] <... set_robust_list resumed>) = 0 [pid 1185] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1184] <... close resumed>) = 0 [pid 310] rmdir("./85" [pid 1188] rt_sigprocmask(SIG_SETMASK, [] [pid 1185] <... socket resumed>) = 3 [pid 1184] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 1188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1187] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1185] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1184] <... symlink resumed>) = 0 [pid 310] mkdir("./86", 0777 [pid 1188] chdir("./87" [pid 1187] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1185] <... socket resumed>) = 4 executing program [pid 1184] write(1, "executing program\n", 18 [pid 1188] <... chdir resumed>) = 0 [pid 1185] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1184] <... write resumed>) = 18 [pid 310] <... mkdir resumed>) = 0 [pid 1188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1187] <... clone3 resumed>) = 1189 [pid 1185] <... connect resumed>) = -1 EEXIST (File exists) [pid 1184] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1188] <... prctl resumed>) = 0 [pid 1187] ioctl(3, PPPIOCSMRU, 0 [pid 1185] sendfile(-1, -1, [3 [pid 1184] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1188] setpgid(0, 0 [pid 1187] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1185] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1184] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1188] <... setpgid resumed>) = 0 [pid 1187] exit_group(0 [pid 1185] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1184] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 1190 attached [pid 1188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1187] <... exit_group resumed>) = ? [pid 1190] set_robust_list(0x555593f8a6a0, 24 [pid 1185] <... clone3 resumed>) = 1191 [pid 1187] +++ exited with 0 +++ [pid 1184] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1190 [pid 1190] <... set_robust_list resumed>) = 0 [pid 1188] <... openat resumed>) = 3 [pid 1185] ioctl(3, PPPIOCSMRU, 0 [pid 1184] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1190] rt_sigprocmask(SIG_SETMASK, [] [pid 1185] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1184] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1185] exit_group(0 [pid 1184] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1190] chdir("./86" [pid 1185] <... exit_group resumed>) = ? executing program [pid 1184] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1190] <... chdir resumed>) = 0 [pid 1188] write(3, "1000", 4) = 4 [pid 1188] close(3) = 0 [pid 1185] +++ exited with 0 +++ [pid 1188] symlink("/dev/binderfs", "./binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 1188] <... symlink resumed>) = 0 [pid 1188] write(1, "executing program\n", 18) = 18 [pid 1188] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1184] <... clone3 resumed>) = 1192 [pid 1190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1184] ioctl(3, PPPIOCSMRU, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1190] <... prctl resumed>) = 0 [pid 1188] <... socket resumed>) = 3 [pid 1184] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1190] setpgid(0, 0 [pid 1184] exit_group(0 [pid 308] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1190] <... setpgid resumed>) = 0 [pid 1184] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1188] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1184] +++ exited with 0 +++ [pid 1188] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... restart_syscall resumed>) = 0 [pid 1190] <... openat resumed>) = 3 [pid 1188] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... openat resumed>) = 3 [pid 1190] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(3 [pid 1190] <... write resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1190] close(3 [pid 306] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 1190] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1188] sendfile(-1, -1, [3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1190] symlink("/dev/binderfs", "./binderfs" [pid 306] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1188] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1188] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1190] <... symlink resumed>) = 0 [pid 1190] write(1, "executing program\n", 18 [pid 1188] <... clone3 resumed>) = 1193 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 1188] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1188] exit_group(0) = ? [pid 306] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./87/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1190] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1190] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] unlink("./87/binderfs" [pid 306] getdents64(3 [pid 1190] <... socket resumed>) = 3 [pid 1188] +++ exited with 0 +++ [pid 1190] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1190] <... socket resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 306] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1190] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1190] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] close(3 [pid 306] newfstatat(AT_FDCWD, "./89/binderfs" [pid 1190] sendfile(-1, -1, [3 [pid 308] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1190] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rmdir("./87" [pid 306] unlink("./89/binderfs" [pid 1190] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1190] <... clone3 resumed>) = 1194 [pid 308] mkdir("./88", 0777 [pid 306] getdents64(3 [pid 1190] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1190] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] close(3 [pid 1190] exit_group(0 [pid 306] <... close resumed>) = 0 [pid 1190] <... exit_group resumed>) = ? [pid 306] rmdir("./89" [pid 308] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1190] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./90", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1195 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 31.685342][ T1107] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 0000000000000050 [ 31.693368][ T1107] [ 31.696419][ T1107] ---[ end trace 0000000000000000 ]--- [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1196 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1196 attached ci2-android-6-1/strace-static-x86_64: Process 1195 attached [pid 310] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 1195] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1195] <... set_robust_list resumed>) = 0 [pid 310] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1195] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 307] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1195] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1195] chdir("./88" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1195] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 1195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] fstat(3 [pid 1195] <... prctl resumed>) = 0 [pid 310] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1195] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 1195] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./86/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1195] <... openat resumed>) = 3 [pid 310] unlink("./86/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1196] set_robust_list(0x555593f8a6a0, 24 [pid 1195] write(3, "1000", 4 [pid 310] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./88/binderfs" [pid 1195] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1195] close(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./88/binderfs" [pid 1196] <... set_robust_list resumed>) = 0 [pid 1195] <... close resumed>) = 0 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 1195] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 1195] <... symlink resumed>) = 0 [pid 310] rmdir("./86" [pid 309] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1195] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 executing program [pid 309] fstat(3 [pid 307] close(3 [pid 1195] <... write resumed>) = 18 [pid 310] mkdir("./87", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 1196] rt_sigprocmask(SIG_SETMASK, [] [pid 1195] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./88" [pid 1196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1195] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rmdir resumed>) = 0 [pid 1195] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./89", 0777ci2-android-6-1/strace-static-x86_64: Process 1197 attached [pid 1196] chdir("./90" [pid 1195] <... socket resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 1195] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1197 [pid 309] newfstatat(AT_FDCWD, "./87/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1196] <... chdir resumed>) = 0 [pid 1195] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1195] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./87/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1197] set_robust_list(0x555593f8a6a0, 24 [pid 1196] <... prctl resumed>) = 0 [pid 1195] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1198 attached [pid 1196] setpgid(0, 0 [pid 1195] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] getdents64(3 [pid 1198] set_robust_list(0x555593f8a6a0, 24 [pid 1197] <... set_robust_list resumed>) = 0 [pid 1196] <... setpgid resumed>) = 0 [pid 1195] <... clone3 resumed>) = 1199 [pid 1198] <... set_robust_list resumed>) = 0 [pid 1195] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1198 [pid 1198] rt_sigprocmask(SIG_SETMASK, [] [pid 1196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1195] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1195] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1198] chdir("./89" [pid 1196] <... openat resumed>) = 3 [pid 1195] <... exit_group resumed>) = ? [pid 309] rmdir("./87" [pid 1198] <... chdir resumed>) = 0 [pid 1197] rt_sigprocmask(SIG_SETMASK, [] [pid 1196] write(3, "1000", 4 [pid 1195] +++ exited with 0 +++ [pid 1198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1196] <... write resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1198] <... prctl resumed>) = 0 [pid 1196] close(3 [pid 309] mkdir("./88", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1198] setpgid(0, 0 [pid 1197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1196] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1198] <... setpgid resumed>) = 0 [pid 1196] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1198] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1198] write(3, "1000", 4 [pid 1197] chdir("./87" [pid 1196] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1200 attached [pid 1198] <... write resumed>) = 4 [pid 1196] write(1, "executing program\n", 18 [pid 1200] set_robust_list(0x555593f8a6a0, 24 [pid 1198] close(3 [pid 1197] <... chdir resumed>) = 0 executing program [pid 1196] <... write resumed>) = 18 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1200 [pid 1200] <... set_robust_list resumed>) = 0 [pid 1198] <... close resumed>) = 0 [pid 1196] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1200] rt_sigprocmask(SIG_SETMASK, [] [pid 1198] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1198] <... symlink resumed>) = 0 [pid 1197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1196] <... socket resumed>) = 3 [pid 1198] write(1, "executing program\n", 18 [pid 1197] <... prctl resumed>) = 0 executing program [pid 1196] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1198] <... write resumed>) = 18 [pid 1197] setpgid(0, 0 [pid 1196] <... socket resumed>) = 4 [pid 1198] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1197] <... setpgid resumed>) = 0 [pid 1196] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1200] chdir("./88" [pid 1198] <... socket resumed>) = 3 [pid 1197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1196] <... connect resumed>) = -1 EEXIST (File exists) [pid 1200] <... chdir resumed>) = 0 [pid 1198] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1197] <... openat resumed>) = 3 [pid 1196] sendfile(-1, -1, [3 [pid 1200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1198] <... socket resumed>) = 4 [pid 1197] write(3, "1000", 4 [pid 1200] <... prctl resumed>) = 0 [pid 1198] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1196] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1200] setpgid(0, 0 [pid 1198] <... connect resumed>) = -1 EEXIST (File exists) [pid 1200] <... setpgid resumed>) = 0 [pid 1198] sendfile(-1, -1, [3 [pid 1197] <... write resumed>) = 4 [pid 1196] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1198] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1200] <... openat resumed>) = 3 [pid 1198] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1200] write(3, "1000", 4 [pid 1198] <... clone3 resumed>) = 1202 [pid 1197] close(3 [pid 1196] <... clone3 resumed>) = 1201 [pid 1200] <... write resumed>) = 4 [pid 1198] ioctl(3, PPPIOCSMRU, 0 [pid 1200] close(3 [pid 1198] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1196] ioctl(3, PPPIOCSMRU, 0 [pid 1200] <... close resumed>) = 0 [pid 1198] exit_group(0 [pid 1197] <... close resumed>) = 0 [pid 1200] symlink("/dev/binderfs", "./binderfs" [pid 1198] <... exit_group resumed>) = ? [pid 1196] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1200] <... symlink resumed>) = 0 [pid 1198] +++ exited with 0 +++ [pid 1197] symlink("/dev/binderfs", "./binderfs" [pid 1196] exit_group(0 [pid 1200] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1200] <... write resumed>) = 18 executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1200] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1200] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1200] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1200] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1200] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1203 [pid 1197] <... symlink resumed>) = 0 [pid 1196] <... exit_group resumed>) = ? [pid 1200] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1200] exit_group(0) = ? [pid 1200] +++ exited with 0 +++ [pid 1197] write(1, "executing program\n", 18 [pid 1196] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3 [pid 306] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... openat resumed>) = 3 [pid 307] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./89/binderfs" [pid 306] getdents64(3 [pid 1197] <... write resumed>) = 18 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 1197] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1197] <... socket resumed>) = 3 [pid 307] unlink("./89/binderfs" [pid 306] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1197] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 308] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1197] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1197] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1197] sendfile(-1, -1, [3 [pid 308] <... openat resumed>) = 3 [pid 1197] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./90/binderfs" [pid 1197] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 306] unlink("./90/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] rmdir("./89" [pid 306] getdents64(3 [pid 1197] <... clone3 resumed>) = 1204 [pid 309] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1197] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1197] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 307] mkdir("./90", 0777 [pid 306] close(3 [pid 1197] exit_group(0 [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1197] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./90" [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./91", 0777ci2-android-6-1/strace-static-x86_64: Process 1205 attached [pid 1197] +++ exited with 0 +++ [pid 309] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1205 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./88/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1206 attached [pid 1205] set_robust_list(0x555593f8a6a0, 24 [pid 309] unlink("./88/binderfs" [pid 308] newfstatat(AT_FDCWD, "./88/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1206 [pid 309] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./88" [pid 310] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 309] mkdir("./89", 0777 [pid 1205] <... set_robust_list resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] unlink("./88/binderfs" [pid 310] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1206] set_robust_list(0x555593f8a6a0, 24 [pid 1205] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1207 attached [pid 310] newfstatat(AT_FDCWD, "./87/binderfs" [pid 308] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1207 [pid 310] unlink("./87/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 308] close(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./87" [pid 308] rmdir("./88" [pid 310] <... rmdir resumed>) = 0 [pid 1207] set_robust_list(0x555593f8a6a0, 24 [pid 310] mkdir("./88", 0777 [pid 1206] <... set_robust_list resumed>) = 0 [pid 1205] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1207] <... set_robust_list resumed>) = 0 [pid 1206] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./89", 0777 [pid 1207] rt_sigprocmask(SIG_SETMASK, [] [pid 1206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1206] chdir("./91" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1207] chdir("./89" [pid 1206] <... chdir resumed>) = 0 [pid 1205] chdir("./90" [pid 308] <... mkdir resumed>) = 0 [pid 1207] <... chdir resumed>) = 0 [pid 1206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1208 [pid 1207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1206] <... prctl resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1207] <... prctl resumed>) = 0 [pid 1206] setpgid(0, 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1207] setpgid(0, 0 [pid 1206] <... setpgid resumed>) = 0 [pid 1207] <... setpgid resumed>) = 0 [pid 1206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1206] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1207] <... openat resumed>) = 3 [pid 1206] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1207] write(3, "1000", 4 [pid 1206] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1207] <... write resumed>) = 4 [pid 1206] close(3 [pid 1207] close(3 [pid 1206] <... close resumed>) = 0 [pid 1207] <... close resumed>) = 0 [pid 1206] symlink("/dev/binderfs", "./binderfs" [pid 1207] symlink("/dev/binderfs", "./binderfs" [pid 1206] <... symlink resumed>) = 0 [pid 1207] <... symlink resumed>) = 0 [pid 1206] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1209 [pid 1205] <... chdir resumed>) = 0 [pid 1207] write(1, "executing program\n", 18 [pid 1206] <... write resumed>) = 18 executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1207] <... write resumed>) = 18 [pid 1206] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1208 attached [pid 1207] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1206] <... socket resumed>) = 3 [pid 1208] set_robust_list(0x555593f8a6a0, 24 [pid 1207] <... socket resumed>) = 3 [pid 1206] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1208] <... set_robust_list resumed>) = 0 [pid 1207] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1206] <... socket resumed>) = 4 [pid 1208] rt_sigprocmask(SIG_SETMASK, [] [pid 1207] <... socket resumed>) = 4 [pid 1206] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1207] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1206] <... connect resumed>) = -1 EEXIST (File exists) [pid 1208] chdir("./88" [pid 1207] <... connect resumed>) = -1 EEXIST (File exists) [pid 1206] sendfile(-1, -1, [3 [pid 1208] <... chdir resumed>) = 0 [pid 1207] sendfile(-1, -1, [3 [pid 1206] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1207] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1206] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1209 attached [pid 1208] <... prctl resumed>) = 0 [pid 1207] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1209] set_robust_list(0x555593f8a6a0, 24 [pid 1208] setpgid(0, 0 [pid 1207] <... clone3 resumed>) = 1211 [pid 1206] <... clone3 resumed>) = 1210 [pid 1205] <... prctl resumed>) = 0 [pid 1207] ioctl(3, PPPIOCSMRU, 0 [pid 1206] ioctl(3, PPPIOCSMRU, 0 [pid 1207] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1206] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1205] setpgid(0, 0 [pid 1209] <... set_robust_list resumed>) = 0 [pid 1208] <... setpgid resumed>) = 0 [pid 1207] exit_group(0 [pid 1206] exit_group(0 [pid 1207] <... exit_group resumed>) = ? [pid 1206] <... exit_group resumed>) = ? [pid 1205] <... setpgid resumed>) = 0 [pid 1209] rt_sigprocmask(SIG_SETMASK, [] [pid 1208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1207] +++ exited with 0 +++ [pid 1205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1206] +++ exited with 0 +++ [pid 1205] <... openat resumed>) = 3 [pid 1208] <... openat resumed>) = 3 [pid 1205] write(3, "1000", 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./89/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./89") = 0 [pid 309] mkdir("./90", 0777 [pid 1209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1208] write(3, "1000", 4 [pid 1205] <... write resumed>) = 4 [pid 1208] <... write resumed>) = 4 [pid 1209] chdir("./89" [pid 1205] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 1208] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1208] <... close resumed>) = 0 [pid 1205] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1208] symlink("/dev/binderfs", "./binderfs" [pid 1205] symlink("/dev/binderfs", "./binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1208] <... symlink resumed>) = 0 [pid 1205] <... symlink resumed>) = 0 [pid 1208] write(1, "executing program\n", 18 [pid 1205] write(1, "executing program\n", 18 [pid 1209] <... chdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1212 executing program executing program [pid 1209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1208] <... write resumed>) = 18 [pid 1205] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1209] <... prctl resumed>) = 0 [pid 1208] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1205] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1205] <... socket resumed>) = 3 [pid 1205] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1209] setpgid(0, 0 [pid 1208] <... socket resumed>) = 3 [pid 1205] <... socket resumed>) = 4 [pid 1209] <... setpgid resumed>) = 0 [pid 1208] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1205] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1208] <... socket resumed>) = 4 [pid 1205] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 1212 attached [pid 1205] sendfile(-1, -1, [3 [pid 1208] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1205] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1208] <... connect resumed>) = -1 EEXIST (File exists) [pid 1205] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1212] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1212] chdir("./90") = 0 [pid 1208] sendfile(-1, -1, [3 [pid 1205] <... clone3 resumed>) = 1213 [pid 1209] <... openat resumed>) = 3 [pid 1212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1205] ioctl(3, PPPIOCSMRU, 0 [pid 1209] write(3, "1000", 4 [pid 1208] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1205] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1212] setpgid(0, 0) = 0 [pid 1212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1208] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1205] exit_group(0 [pid 1209] <... write resumed>) = 4 [pid 1205] <... exit_group resumed>) = ? [pid 1212] <... openat resumed>) = 3 [pid 1212] write(3, "1000", 4) = 4 [pid 1212] close(3) = 0 [pid 1212] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1208] <... clone3 resumed>) = 1214 [pid 1212] write(1, "executing program\n", 18) = 18 [pid 1212] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1212] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1212] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1205] +++ exited with 0 +++ [pid 1209] close(3) = 0 [pid 1208] ioctl(3, PPPIOCSMRU, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1212] <... connect resumed>) = -1 EEXIST (File exists) [pid 1212] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1212] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1215 [pid 1209] symlink("/dev/binderfs", "./binderfs" [pid 1208] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1212] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1212] exit_group(0) = ? [pid 1209] <... symlink resumed>) = 0 [pid 1208] exit_group(0 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1209] write(1, "executing program\n", 18 [pid 1208] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3 [pid 306] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... openat resumed>) = 3 [pid 307] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./90/binderfs" [pid 306] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] unlink("./90/binderfs" [pid 306] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./91/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 306] unlink("./91/binderfs" [pid 307] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] rmdir("./90" [pid 306] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] mkdir("./91", 0777 [pid 306] close(3 [pid 1209] <... write resumed>) = 18 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./91" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1208] +++ exited with 0 +++ executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./92", 0777ci2-android-6-1/strace-static-x86_64: Process 1216 attached [pid 1212] +++ exited with 0 +++ [pid 1209] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1216 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... restart_syscall resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1216] set_robust_list(0x555593f8a6a0, 24 [pid 1209] <... socket resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 1217 attached [pid 310] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1217 [pid 1217] <... set_robust_list resumed>) = 0 [pid 310] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1217] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 1217] chdir("./92" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 1217] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1209] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] getdents64(3 [pid 1217] <... prctl resumed>) = 0 [pid 310] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1217] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./88/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./90/binderfs" [pid 1217] <... openat resumed>) = 3 [pid 1209] <... socket resumed>) = 4 [pid 310] unlink("./88/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1217] write(3, "1000", 4 [pid 1216] <... set_robust_list resumed>) = 0 [pid 1209] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./90/binderfs" [pid 1217] <... write resumed>) = 4 [pid 1209] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1217] close(3 [pid 1209] sendfile(-1, -1, [3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1217] <... close resumed>) = 0 [pid 1209] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1217] symlink("/dev/binderfs", "./binderfs" [pid 1209] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... close resumed>) = 0 [pid 309] close(3 [pid 1217] <... symlink resumed>) = 0 [pid 310] rmdir("./88" [pid 309] <... close resumed>) = 0 [pid 1217] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 executing program [pid 309] rmdir("./90" [pid 1217] <... write resumed>) = 18 [pid 1209] <... clone3 resumed>) = 1218 [pid 310] mkdir("./89", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 1217] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1209] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] mkdir("./91", 0777 [pid 1217] <... socket resumed>) = 3 [pid 1216] rt_sigprocmask(SIG_SETMASK, [] [pid 1209] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... mkdir resumed>) = 0 [pid 1217] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1217] <... socket resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1217] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1209] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1219 attached ci2-android-6-1/strace-static-x86_64: Process 1220 attached [pid 1217] <... connect resumed>) = -1 EEXIST (File exists) [pid 1216] chdir("./91" [pid 1209] <... exit_group resumed>) = ? [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1219 [pid 1220] set_robust_list(0x555593f8a6a0, 24 [pid 1217] sendfile(-1, -1, [3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1220 [pid 1220] <... set_robust_list resumed>) = 0 [pid 1217] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1220] rt_sigprocmask(SIG_SETMASK, [] [pid 1217] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1217] <... clone3 resumed>) = 1221 [pid 1216] <... chdir resumed>) = 0 [pid 1220] chdir("./91" [pid 1217] ioctl(3, PPPIOCSMRU, 0 [pid 1209] +++ exited with 0 +++ [pid 1220] <... chdir resumed>) = 0 [pid 1217] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1217] exit_group(0 [pid 1220] <... prctl resumed>) = 0 [pid 1217] <... exit_group resumed>) = ? [pid 1216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1220] setpgid(0, 0 [pid 1219] set_robust_list(0x555593f8a6a0, 24 [pid 1217] +++ exited with 0 +++ [pid 1216] <... prctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1220] <... setpgid resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1220] <... openat resumed>) = 3 [pid 1220] write(3, "1000", 4) = 4 [pid 1220] close(3) = 0 [pid 1220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1220] write(1, "executing program\n", 18 [pid 1216] setpgid(0, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1220] <... write resumed>) = 18 executing program [pid 1220] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 306] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1220] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1220] <... socket resumed>) = 4 [pid 306] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1220] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... openat resumed>) = 3 [pid 1220] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] fstat(3 [pid 1220] sendfile(-1, -1, [3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1220] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] getdents64(3 [pid 1220] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1219] <... set_robust_list resumed>) = 0 [pid 1216] <... setpgid resumed>) = 0 [pid 306] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1220] <... clone3 resumed>) = 1222 [pid 1219] rt_sigprocmask(SIG_SETMASK, [] [pid 1216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1220] ioctl(3, PPPIOCSMRU, 0 [pid 306] newfstatat(AT_FDCWD, "./92/binderfs" [pid 1220] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1220] exit_group(0 [pid 306] unlink("./92/binderfs" [pid 1220] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1220] +++ exited with 0 +++ [pid 1219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1216] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 1216] write(3, "1000", 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1216] <... write resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 1216] close(3 [pid 308] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 1216] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./92" [pid 1216] symlink("/dev/binderfs", "./binderfs" [pid 308] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./93", 0777 [pid 1216] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 1216] write(1, "executing program\n", 18 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 1216] <... write resumed>) = 18 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1219] chdir("./89" [pid 1216] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 1223 attached [pid 1216] <... socket resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1223 [pid 1223] set_robust_list(0x555593f8a6a0, 24 [pid 1216] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1223] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1223] rt_sigprocmask(SIG_SETMASK, [] [pid 1216] <... socket resumed>) = 4 [pid 1223] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1216] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1223] chdir("./93" [pid 1216] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1216] sendfile(-1, -1, [3 [pid 308] newfstatat(AT_FDCWD, "./89/binderfs" [pid 1223] <... chdir resumed>) = 0 [pid 1216] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1216] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] unlink("./89/binderfs" [pid 1223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1223] setpgid(0, 0) = 0 [pid 1223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1223] write(3, "1000", 4 [pid 1216] <... clone3 resumed>) = 1224 [pid 1223] <... write resumed>) = 4 [pid 1223] close(3) = 0 [pid 308] <... unlink resumed>) = 0 [pid 1223] symlink("/dev/binderfs", "./binderfs" [pid 1216] ioctl(3, PPPIOCSMRU, 0 [pid 308] getdents64(3 [pid 1219] <... chdir resumed>) = 0 [pid 1216] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1223] <... symlink resumed>) = 0 [pid 1219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1216] exit_group(0 [pid 308] close(3 [pid 1223] write(1, "executing program\n", 18 [pid 1219] <... prctl resumed>) = 0 [pid 1216] <... exit_group resumed>) = ? [pid 309] <... restart_syscall resumed>) = 0 [pid 1223] <... write resumed>) = 18 [pid 308] <... close resumed>) = 0 [pid 1223] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1223] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1223] <... socket resumed>) = 4 [pid 1219] setpgid(0, 0 [pid 1216] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./89" [pid 1223] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1223] <... connect resumed>) = -1 EEXIST (File exists) [pid 1219] <... setpgid resumed>) = 0 [pid 309] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1223] sendfile(-1, -1, [3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./90", 0777 [pid 1223] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1223] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1223] <... clone3 resumed>) = 1225 [pid 1219] <... openat resumed>) = 3 [pid 309] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 1223] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1223] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] newfstatat(AT_FDCWD, "./91/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1223] exit_group(0 [pid 1219] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1223] <... exit_group resumed>) = ? [pid 309] unlink("./91/binderfs" [pid 307] <... openat resumed>) = 3 [pid 1223] +++ exited with 0 +++ [pid 1219] <... write resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(3 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./91" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./91/binderfs" [pid 309] mkdir("./92", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1219] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./91/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1219] <... close resumed>) = 0 [pid 307] close(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1226 [pid 307] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./91" [pid 1219] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./92", 0777) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1219] <... symlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1227 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1228 attached ci2-android-6-1/strace-static-x86_64: Process 1227 attached ci2-android-6-1/strace-static-x86_64: Process 1226 attached [pid 1219] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1228] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1228 [pid 1228] <... set_robust_list resumed>) = 0 executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1228] rt_sigprocmask(SIG_SETMASK, [] [pid 1219] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1228] chdir("./92" [pid 306] <... openat resumed>) = 3 [pid 1228] <... chdir resumed>) = 0 [pid 306] fstat(3 [pid 1228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1228] <... prctl resumed>) = 0 [pid 306] getdents64(3 [pid 1228] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1228] <... setpgid resumed>) = 0 [pid 306] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1219] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1228] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./93/binderfs" [pid 1228] write(3, "1000", 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1228] <... write resumed>) = 4 [pid 306] unlink("./93/binderfs" [pid 1228] close(3 [pid 306] <... unlink resumed>) = 0 [pid 1228] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 1228] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1228] <... symlink resumed>) = 0 [pid 306] close(3 [pid 1228] write(1, "executing program\n", 18 [pid 306] <... close resumed>) = 0 [pid 1228] <... write resumed>) = 18 executing program [pid 306] rmdir("./93" [pid 1228] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... rmdir resumed>) = 0 [pid 1228] <... socket resumed>) = 3 [pid 306] mkdir("./94", 0777 [pid 1228] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... mkdir resumed>) = 0 [pid 1228] <... socket resumed>) = 4 [pid 1219] <... socket resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1228] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1219] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1228] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1227] set_robust_list(0x555593f8a6a0, 24 [pid 1226] set_robust_list(0x555593f8a6a0, 24 [pid 1219] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 1229 attached [pid 1228] sendfile(-1, -1, [3 [pid 1227] <... set_robust_list resumed>) = 0 [pid 1229] set_robust_list(0x555593f8a6a0, 24 [pid 1228] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1219] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1229 [pid 1229] <... set_robust_list resumed>) = 0 [pid 1228] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1219] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1229] rt_sigprocmask(SIG_SETMASK, [] [pid 1228] <... clone3 resumed>) = 1230 [pid 1227] rt_sigprocmask(SIG_SETMASK, [] [pid 1226] <... set_robust_list resumed>) = 0 [pid 1219] sendfile(-1, -1, [3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1228] ioctl(3, PPPIOCSMRU, 0 [pid 1219] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1226] rt_sigprocmask(SIG_SETMASK, [] [pid 1229] chdir("./94" [pid 1228] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1219] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1229] <... chdir resumed>) = 0 [pid 1228] exit_group(0 [pid 1229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1228] <... exit_group resumed>) = ? [pid 1229] <... prctl resumed>) = 0 [pid 1228] +++ exited with 0 +++ [pid 1226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1219] <... clone3 resumed>) = 1231 [pid 1229] setpgid(0, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1229] <... setpgid resumed>) = 0 [pid 1219] ioctl(3, PPPIOCSMRU, 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1226] chdir("./92" [pid 1219] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1229] write(3, "1000", 4) = 4 [pid 1229] close(3) = 0 [pid 1229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1226] <... chdir resumed>) = 0 [pid 1219] exit_group(0 executing program [pid 1229] write(1, "executing program\n", 18) = 18 [pid 1219] <... exit_group resumed>) = ? [pid 1229] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1229] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1229] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1229] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1229] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1227] chdir("./90" [pid 1229] <... clone3 resumed>) = 1232 [pid 1226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1219] +++ exited with 0 +++ [pid 1229] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1229] exit_group(0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1229] <... exit_group resumed>) = ? [pid 1229] +++ exited with 0 +++ [pid 1227] <... chdir resumed>) = 0 [pid 1226] <... prctl resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1226] setpgid(0, 0 [pid 307] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1227] <... prctl resumed>) = 0 [pid 1226] <... setpgid resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 1227] setpgid(0, 0 [pid 1226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 307] fstat(3 [pid 1227] <... setpgid resumed>) = 0 [pid 1226] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1226] write(3, "1000", 4 [pid 307] getdents64(3 [pid 1227] <... openat resumed>) = 3 [pid 1226] <... write resumed>) = 4 [pid 310] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1227] write(3, "1000", 4 [pid 1226] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1227] <... write resumed>) = 4 [pid 1226] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1227] close(3 [pid 1226] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./92/binderfs" [pid 1227] <... close resumed>) = 0 [pid 1226] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1227] symlink("/dev/binderfs", "./binderfs" [pid 1226] write(1, "executing program\n", 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] unlink("./92/binderfs" [pid 1227] <... symlink resumed>) = 0 [pid 1226] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 1227] write(1, "executing program\n", 18 [pid 1226] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 1227] <... write resumed>) = 18 [pid 1226] <... socket resumed>) = 3 [pid 310] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program executing program [pid 1227] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1226] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 1227] <... socket resumed>) = 3 [pid 1226] <... socket resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./89/binderfs" [pid 307] <... close resumed>) = 0 [pid 1227] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1226] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./92" [pid 306] <... restart_syscall resumed>) = 0 [pid 1227] <... socket resumed>) = 4 [pid 1226] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./89/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 1227] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1226] sendfile(-1, -1, [3 [pid 310] <... unlink resumed>) = 0 [pid 307] mkdir("./93", 0777 [pid 1227] <... connect resumed>) = -1 EEXIST (File exists) [pid 1226] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1227] sendfile(-1, -1, [3 [pid 1226] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1227] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1227] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1226] <... clone3 resumed>) = 1233 [pid 310] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1227] <... clone3 resumed>) = 1234 [pid 1226] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./89" [pid 1227] ioctl(3, PPPIOCSMRU, 0 [pid 1226] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rmdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 1227] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] mkdir("./90", 0777 [pid 1226] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1236 attached ci2-android-6-1/strace-static-x86_64: Process 1235 attached [pid 1227] exit_group(0 [pid 1226] <... exit_group resumed>) = ? [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1235 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1236] set_robust_list(0x555593f8a6a0, 24 [pid 1227] <... exit_group resumed>) = ? [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1236 [pid 1236] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1236] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1236] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1226] +++ exited with 0 +++ [pid 1236] chdir("./90") = 0 [pid 1236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1236] setpgid(0, 0) = 0 [pid 1236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1236] write(3, "1000", 4) = 4 [pid 1236] close(3) = 0 [pid 1236] symlink("/dev/binderfs", "./binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1236] <... symlink resumed>) = 0 [pid 1236] write(1, "executing program\n", 18) = 18 [pid 1236] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1236] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1236] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1236] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1236] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1237 [pid 1236] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1236] exit_group(0 [pid 306] getdents64(3 [pid 1236] <... exit_group resumed>) = ? executing program [pid 1236] +++ exited with 0 +++ [pid 1227] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./94/binderfs" [pid 1235] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... unlink resumed>) = 0 [pid 1235] <... set_robust_list resumed>) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 1235] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 1235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./94" [pid 1235] chdir("./93" [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./95", 0777 [pid 1235] <... chdir resumed>) = 0 [pid 1235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1235] setpgid(0, 0) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1235] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 1238 attached ) = 3 [pid 308] fstat(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1238 [pid 1238] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1238] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1238] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 1238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1235] write(3, "1000", 4 [pid 308] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1238] chdir("./95") = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./90/binderfs" [pid 1238] <... prctl resumed>) = 0 [pid 1238] setpgid(0, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1238] <... setpgid resumed>) = 0 [pid 308] unlink("./90/binderfs" [pid 1238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 1235] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1235] close(3 [pid 308] close(3 [pid 1235] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 1238] <... openat resumed>) = 3 [pid 1235] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./90" [pid 1235] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 1238] write(3, "1000", 4 [pid 308] mkdir("./91", 0777 [pid 1238] <... write resumed>) = 4 [pid 1238] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./92/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./92" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1239 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./93", 0777 [pid 310] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1240 attached [pid 310] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1240 [pid 310] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1238] <... close resumed>) = 0 [pid 1238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] getdents64(3 [pid 1240] set_robust_list(0x555593f8a6a0, 24 [pid 1235] write(1, "executing program\n", 18 [pid 1238] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1238] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./90/binderfs" [pid 1238] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1238] <... socket resumed>) = 3 [pid 310] unlink("./90/binderfs" [pid 1238] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1238] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... unlink resumed>) = 0 [pid 1238] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 1238] sendfile(-1, -1, [3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1238] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] close(3 executing program [pid 1238] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1239 attached [pid 1240] <... set_robust_list resumed>) = 0 [pid 1238] <... clone3 resumed>) = 1241 [pid 1235] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 1238] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./90" [pid 1238] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1238] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 1238] <... exit_group resumed>) = ? [pid 1240] rt_sigprocmask(SIG_SETMASK, [] [pid 1238] +++ exited with 0 +++ [pid 1239] set_robust_list(0x555593f8a6a0, 24 [pid 1235] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] mkdir("./91", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1240] chdir("./93" [pid 306] <... restart_syscall resumed>) = 0 [pid 1240] <... chdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1240] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1240] setpgid(0, 0 [pid 1239] <... set_robust_list resumed>) = 0 [pid 1235] <... socket resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1240] <... setpgid resumed>) = 0 [pid 1239] rt_sigprocmask(SIG_SETMASK, [] [pid 1235] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1242 attached [pid 1240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1235] <... socket resumed>) = 4 [pid 306] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1242] set_robust_list(0x555593f8a6a0, 24 [pid 1240] <... openat resumed>) = 3 [pid 1239] chdir("./91" [pid 1235] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1242 [pid 306] <... openat resumed>) = 3 [pid 1240] write(3, "1000", 4 [pid 1235] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 1235] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1240] <... write resumed>) = 4 [pid 1235] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] getdents64(3 [pid 1235] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1242] <... set_robust_list resumed>) = 0 [pid 1240] close(3 [pid 1239] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1242] rt_sigprocmask(SIG_SETMASK, [] [pid 1240] <... close resumed>) = 0 [pid 1239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1235] <... clone3 resumed>) = 1243 [pid 306] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1240] symlink("/dev/binderfs", "./binderfs" [pid 1235] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1235] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] newfstatat(AT_FDCWD, "./95/binderfs" [pid 1240] <... symlink resumed>) = 0 [pid 1235] exit_group(0) = ? [pid 1240] write(1, "executing program\n", 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1242] chdir("./91" [pid 1240] <... write resumed>) = 18 [pid 1239] <... prctl resumed>) = 0 [pid 306] unlink("./95/binderfs" [pid 1242] <... chdir resumed>) = 0 [pid 1240] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1239] setpgid(0, 0 [pid 1235] +++ exited with 0 +++ [pid 306] <... unlink resumed>) = 0 [pid 1240] <... socket resumed>) = 3 [pid 1239] <... setpgid resumed>) = 0 [pid 1242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 1242] <... prctl resumed>) = 0 [pid 1240] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1242] setpgid(0, 0 [pid 1239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] close(3 [pid 1242] <... setpgid resumed>) = 0 [pid 1240] <... socket resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 1242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1240] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1239] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./95" [pid 1242] <... openat resumed>) = 3 [pid 1240] <... connect resumed>) = -1 EEXIST (File exists) [pid 1239] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 1242] write(3, "1000", 4 [pid 1240] sendfile(-1, -1, [3 [pid 1239] <... write resumed>) = 4 [ 31.889443][ T1189] ------------[ cut here ]------------ [ 31.895053][ T1189] WARNING: CPU: 0 PID: 1189 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 31.905279][ T1189] Modules linked in: [ 31.909207][ T1189] CPU: 0 PID: 1189 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 31.918610][ T1189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 31.928748][ T1189] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 306] mkdir("./96", 0777 [pid 1242] <... write resumed>) = 4 [pid 1240] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1239] close(3 [pid 307] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 1242] close(3 [pid 1240] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1239] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1242] <... close resumed>) = 0 [pid 1240] <... clone3 resumed>) = 1244 [pid 1239] symlink("/dev/binderfs", "./binderfs" [pid 307] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1242] symlink("/dev/binderfs", "./binderfs" [pid 1240] ioctl(3, PPPIOCSMRU, 0 [pid 1239] <... symlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1242] <... symlink resumed>) = 0 [pid 1240] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1239] write(1, "executing program\n", 18 [pid 307] fstat(3 [pid 1242] write(1, "executing program\n", 18 [pid 1240] exit_group(0 [pid 1239] <... write resumed>) = 18 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1245 [pid 1242] <... write resumed>) = 18 [pid 1240] <... exit_group resumed>) = ? [pid 1239] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1242] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1240] +++ exited with 0 +++ [pid 1239] <... socket resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1242] <... socket resumed>) = 3 [pid 1239] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1245 attached [pid 1242] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1239] <... socket resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1245] set_robust_list(0x555593f8a6a0, 24 [pid 1242] <... socket resumed>) = 4 [pid 1239] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./93/binderfs" [pid 1245] <... set_robust_list resumed>) = 0 [pid 1242] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1245] rt_sigprocmask(SIG_SETMASK, [] [pid 1242] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./93/binderfs" [pid 1245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1242] sendfile(-1, -1, [3 [pid 1239] <... connect resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1245] chdir("./96" [pid 1242] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 1245] <... chdir resumed>) = 0 [pid 1242] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1242] <... clone3 resumed>) = 1246 [pid 309] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 1245] <... prctl resumed>) = 0 [pid 1242] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 1245] setpgid(0, 0 [pid 1242] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] fstat(3 [pid 307] rmdir("./93" [pid 1245] <... setpgid resumed>) = 0 [pid 1242] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1242] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 307] mkdir("./94", 0777 [pid 1245] <... openat resumed>) = 3 [pid 1242] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... mkdir resumed>) = 0 [pid 1245] write(3, "1000", 4 [pid 309] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1245] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1245] close(3 [pid 309] newfstatat(AT_FDCWD, "./93/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1245] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1245] symlink("/dev/binderfs", "./binderfs" [pid 309] unlink("./93/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1247 [pid 1245] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1245] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1245] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1245] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] close(3 [pid 1245] <... socket resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 1245] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rmdir("./93" [pid 1245] <... socket resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 1245] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] mkdir("./94", 0777 [pid 1245] <... connect resumed>) = -1 EEXIST (File exists) [pid 1239] sendfile(-1, -1, [3 [pid 309] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1247 attached [pid 1245] sendfile(-1, -1, [3 [pid 1239] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1247] set_robust_list(0x555593f8a6a0, 24 [pid 1245] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1239] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1247] <... set_robust_list resumed>) = 0 [pid 1245] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1239] <... clone3 resumed>) = 1248 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1247] rt_sigprocmask(SIG_SETMASK, [] [pid 1245] <... clone3 resumed>) = 1249 [pid 1247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1245] ioctl(3, PPPIOCSMRU, 0 [pid 1239] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1250 [pid 1247] chdir("./94" [pid 1245] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1239] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1247] <... chdir resumed>) = 0 [pid 1245] exit_group(0 [pid 1239] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1245] <... exit_group resumed>) = ? [pid 1239] <... exit_group resumed>) = ? [pid 1247] <... prctl resumed>) = 0 [pid 1245] +++ exited with 0 +++ [pid 1239] +++ exited with 0 +++ [pid 1247] setpgid(0, 0) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1250 attached [pid 1247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1250] set_robust_list(0x555593f8a6a0, 24 [pid 1247] <... openat resumed>) = 3 [pid 1250] <... set_robust_list resumed>) = 0 [pid 1247] write(3, "1000", 4 [pid 1250] rt_sigprocmask(SIG_SETMASK, [] [pid 1247] <... write resumed>) = 4 [pid 1250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1247] close(3 [pid 1250] chdir("./94" [pid 1247] <... close resumed>) = 0 [pid 1250] <... chdir resumed>) = 0 [pid 1247] symlink("/dev/binderfs", "./binderfs" [pid 1250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1247] <... symlink resumed>) = 0 [pid 1250] <... prctl resumed>) = 0 [pid 1247] write(1, "executing program\n", 18 [pid 1250] setpgid(0, 0 [pid 1247] <... write resumed>) = 18 [pid 1250] <... setpgid resumed>) = 0 [pid 1247] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1247] <... socket resumed>) = 3 [pid 1250] <... openat resumed>) = 3 [pid 1247] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1250] write(3, "1000", 4 [pid 1247] <... socket resumed>) = 4 executing program executing program executing program executing program [pid 1250] <... write resumed>) = 4 [pid 1247] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1250] close(3 [pid 1247] <... connect resumed>) = -1 EEXIST (File exists) [pid 1250] <... close resumed>) = 0 [pid 1247] sendfile(-1, -1, [3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1250] symlink("/dev/binderfs", "./binderfs" [pid 1247] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1250] <... symlink resumed>) = 0 [pid 1247] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 executing program [pid 1250] write(1, "executing program\n", 18 [pid 1247] <... clone3 resumed>) = 1251 [pid 306] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1250] <... write resumed>) = 18 [pid 1247] ioctl(3, PPPIOCSMRU, 0 [pid 310] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1250] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1247] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1250] <... socket resumed>) = 3 [pid 1247] exit_group(0 [pid 310] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 1250] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1247] <... exit_group resumed>) = ? [ 31.935170][ T1189] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 31.954836][ T1189] RSP: 0018:ffffc90001d67b90 EFLAGS: 00010293 [ 31.960965][ T1189] RAX: ffffffff849ca097 RBX: ffff8881167df000 RCX: ffff888112682880 [ 31.969015][ T1189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000c04eb7d [ 31.977043][ T1189] RBP: ffffc90001d67bb0 R08: ffff8881167df083 R09: 1ffff11022cfbe10 [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 1250] <... socket resumed>) = 4 [pid 1247] +++ exited with 0 +++ [pid 310] fstat(3 [pid 308] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1250] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 1250] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1250] sendfile(-1, -1, [3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1250] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1250] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./96/binderfs" [pid 1250] <... clone3 resumed>) = 1252 [pid 310] newfstatat(AT_FDCWD, "./91/binderfs" [pid 308] newfstatat(AT_FDCWD, "./91/binderfs" [pid 307] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1250] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./96/binderfs" [pid 1250] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] unlink("./91/binderfs" [pid 308] unlink("./91/binderfs" [pid 307] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 1250] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 1250] <... exit_group resumed>) = ? [pid 310] getdents64(3 [ 31.985099][ T1189] R10: dffffc0000000000 R11: ffffed1022cfbe11 R12: dffffc0000000000 [ 31.993414][ T1189] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881151dac00 [ 32.001679][ T1189] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 32.010683][ T1189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.017332][ T1189] CR2: 00007f1cc08655bc CR3: 000000000700f000 CR4: 00000000003506b0 [ 32.025356][ T1189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1250] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(3 [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rmdir("./96" [pid 310] rmdir("./91" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./91" [pid 307] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./97", 0777 [pid 310] mkdir("./92", 0777 [pid 308] mkdir("./92", 0777 [pid 307] newfstatat(AT_FDCWD, "./94/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./94/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1253 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1254 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1255 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./94" [pid 309] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1253 attached [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./95", 0777ci2-android-6-1/strace-static-x86_64: Process 1254 attached [pid 1253] set_robust_list(0x555593f8a6a0, 24 [pid 309] newfstatat(AT_FDCWD, "./94/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 1254] set_robust_list(0x555593f8a6a0, 24 [pid 1253] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1254] <... set_robust_list resumed>) = 0 [pid 1253] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./94/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1254] rt_sigprocmask(SIG_SETMASK, [] [pid 1253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1253] chdir("./97" [pid 309] getdents64(3 [pid 1254] chdir("./92" [pid 1253] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1256 [pid 1254] <... chdir resumed>) = 0 [pid 1253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1253] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1254] <... prctl resumed>) = 0 [pid 1253] setpgid(0, 0 [pid 309] rmdir("./94" [pid 1254] setpgid(0, 0 [pid 1253] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1254] <... setpgid resumed>) = 0 [pid 1253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] mkdir("./95", 0777 [pid 1254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1253] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1256 attached [pid 1254] <... openat resumed>) = 3 [pid 1253] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1256] set_robust_list(0x555593f8a6a0, 24 [pid 1254] write(3, "1000", 4 [pid 1253] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1256] <... set_robust_list resumed>) = 0 [pid 1254] <... write resumed>) = 4 [pid 1253] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1256] rt_sigprocmask(SIG_SETMASK, [] [pid 1254] close(3 [pid 1253] <... close resumed>) = 0 [pid 1256] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1254] <... close resumed>) = 0 [ 32.033554][ T1189] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.042076][ T1189] Call Trace: [ 32.045441][ T1189] [ 32.048502][ T1189] pppol2tp_release+0x150/0x2b0 [ 32.053600][ T1189] sock_close+0xc9/0x220 [ 32.058217][ T1189] ? __cfi_sock_close+0x10/0x10 [ 32.063214][ T1189] __fput+0x1fd/0x8f0 [ 32.067402][ T1189] ____fput+0x15/0x20 [ 32.071667][ T1189] task_work_run+0x1e1/0x250 [ 32.076610][ T1189] ? __cfi_task_work_run+0x10/0x10 [ 32.081999][ T1189] ? free_nsproxy+0x21f/0x270 [pid 1253] symlink("/dev/binderfs", "./binderfs" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1257 [pid 1256] chdir("./95" [pid 1254] symlink("/dev/binderfs", "./binderfs" [pid 1253] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1256] <... chdir resumed>) = 0 [pid 1254] <... symlink resumed>) = 0 [pid 1253] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1254] write(1, "executing program\n", 18 [pid 1253] <... write resumed>) = 18 executing program [pid 1256] <... prctl resumed>) = 0 [pid 1254] <... write resumed>) = 18 [pid 1253] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1256] setpgid(0, 0 [pid 1254] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1253] <... socket resumed>) = 3 [pid 1256] <... setpgid resumed>) = 0 [pid 1254] <... socket resumed>) = 3 [pid 1253] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1254] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1253] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 1257 attached [pid 1256] <... openat resumed>) = 3 [pid 1254] <... socket resumed>) = 4 [pid 1253] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1257] set_robust_list(0x555593f8a6a0, 24 [pid 1256] write(3, "1000", 4 [pid 1254] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1253] <... connect resumed>) = -1 EEXIST (File exists) [pid 1257] <... set_robust_list resumed>) = 0 [pid 1256] <... write resumed>) = 4 [pid 1254] <... connect resumed>) = -1 EEXIST (File exists) [pid 1253] sendfile(-1, -1, [3 [pid 1257] rt_sigprocmask(SIG_SETMASK, [] [pid 1256] close(3 [pid 1254] sendfile(-1, -1, [3 [pid 1253] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1256] <... close resumed>) = 0 [pid 1254] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1253] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1257] chdir("./95" [pid 1256] symlink("/dev/binderfs", "./binderfs" [pid 1254] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1253] <... clone3 resumed>) = 1258 [pid 1257] <... chdir resumed>) = 0 [pid 1256] <... symlink resumed>) = 0 [pid 1254] <... clone3 resumed>) = 1259 [pid 1253] ioctl(3, PPPIOCSMRU, 0 [pid 1257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1256] write(1, "executing program\n", 18 executing program [pid 1254] ioctl(3, PPPIOCSMRU, 0 [pid 1253] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1257] <... prctl resumed>) = 0 [pid 1256] <... write resumed>) = 18 [pid 1254] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1253] exit_group(0 [pid 1257] setpgid(0, 0 [pid 1256] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1254] exit_group(0 [pid 1253] <... exit_group resumed>) = ? [pid 1257] <... setpgid resumed>) = 0 [pid 1256] <... socket resumed>) = 3 [pid 1254] <... exit_group resumed>) = ? [pid 1253] +++ exited with 0 +++ [pid 1257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1256] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1254] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1257] <... openat resumed>) = 3 [pid 1256] <... socket resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1254, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 32.086923][ T1189] do_exit+0xb0d/0x29f0 [ 32.091298][ T1189] ? __cfi_do_exit+0x10/0x10 [ 32.096210][ T1189] ? xfd_validate_state+0x70/0x150 [ 32.101485][ T1189] ? __kasan_check_write+0x14/0x20 [ 32.106989][ T1189] __x64_sys_exit+0x40/0x40 [ 32.111618][ T1189] x64_sys_call+0x67/0x9a0 [ 32.116408][ T1189] do_syscall_64+0x4c/0xa0 [ 32.120991][ T1189] ? clear_bhb_loop+0x30/0x80 [ 32.125744][ T1189] ? clear_bhb_loop+0x30/0x80 [ 32.130478][ T1189] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1257] write(3, "1000", 4 [pid 1256] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1257] <... write resumed>) = 4 [pid 1256] <... connect resumed>) = -1 ENODEV (No such device) [pid 1257] close(3 [pid 1256] sendfile(-1, -1, [3 [pid 1257] <... close resumed>) = 0 [pid 1256] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1257] symlink("/dev/binderfs", "./binderfs" [pid 1256] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1257] <... symlink resumed>) = 0 [pid 1256] <... clone3 resumed>) = 1260 executing program [pid 1257] write(1, "executing program\n", 18 [pid 1256] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1257] <... write resumed>) = 18 [pid 1256] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1257] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1256] exit_group(0 [pid 1257] <... socket resumed>) = 3 [pid 1256] <... exit_group resumed>) = ? [pid 310] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1257] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1256] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1257] <... socket resumed>) = 4 [pid 310] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1257] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... openat resumed>) = 3 [pid 1257] <... connect resumed>) = -1 ENODEV (No such device) [pid 310] fstat(3 [pid 306] fstat(3 [pid 1257] sendfile(-1, -1, [3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1257] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 1257] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1257] <... clone3 resumed>) = 1261 [pid 310] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1257] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1257] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] newfstatat(AT_FDCWD, "./92/binderfs" [pid 306] newfstatat(AT_FDCWD, "./97/binderfs" [pid 1257] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1257] <... exit_group resumed>) = ? [pid 310] unlink("./92/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./97/binderfs" [pid 1257] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./92" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [ 32.136457][ T1189] RIP: 0033:0x7f1cc07fe169 [ 32.141136][ T1189] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 32.148401][ T1189] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.157059][ T1189] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 32.165122][ T1189] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.173546][ T1189] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 32.181844][ T1189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 306] rmdir("./97" [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] mkdir("./93", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./98", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./95/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 307] unlink("./95/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1262 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1263 ci2-android-6-1/strace-static-x86_64: Process 1263 attached ci2-android-6-1/strace-static-x86_64: Process 1262 attached ci2-android-6-1/strace-static-x86_64: Process 1255 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1263] set_robust_list(0x555593f8a6a0, 24 [pid 1262] set_robust_list(0x555593f8a6a0, 24 [pid 1255] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1263] <... set_robust_list resumed>) = 0 [pid 1262] <... set_robust_list resumed>) = 0 [pid 1255] <... set_robust_list resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./95/binderfs" [pid 307] rmdir("./95" [pid 1263] rt_sigprocmask(SIG_SETMASK, [] [pid 1262] rt_sigprocmask(SIG_SETMASK, [] [pid 1255] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./95/binderfs" [pid 307] mkdir("./96", 0777 [pid 1263] chdir("./98" [pid 1262] chdir("./93" [pid 1255] chdir("./92" [pid 309] <... unlink resumed>) = 0 [pid 1263] <... chdir resumed>) = 0 [pid 1262] <... chdir resumed>) = 0 [pid 1255] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 1263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1263] <... prctl resumed>) = 0 [pid 1262] <... prctl resumed>) = 0 [pid 1255] <... prctl resumed>) = 0 [pid 309] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1263] setpgid(0, 0 [pid 1262] setpgid(0, 0 [pid 1255] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1263] <... setpgid resumed>) = 0 [pid 1262] <... setpgid resumed>) = 0 [pid 1255] <... setpgid resumed>) = 0 [pid 309] rmdir("./95" [pid 1263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 1264 attached [pid 1263] <... openat resumed>) = 3 [pid 1262] <... openat resumed>) = 3 [pid 1255] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 1264] set_robust_list(0x555593f8a6a0, 24 [pid 1263] write(3, "1000", 4 [pid 1262] write(3, "1000", 4 [pid 1255] write(3, "1000", 4 [pid 309] mkdir("./96", 0777 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1264 [pid 1263] <... write resumed>) = 4 [pid 1262] <... write resumed>) = 4 [pid 1255] <... write resumed>) = 4 [pid 1263] close(3 [pid 1262] close(3 [pid 1255] close(3 [pid 1263] <... close resumed>) = 0 [pid 1262] <... close resumed>) = 0 [pid 1255] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1264] <... set_robust_list resumed>) = 0 [pid 1263] symlink("/dev/binderfs", "./binderfs" [pid 1262] symlink("/dev/binderfs", "./binderfs" [pid 1255] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1264] rt_sigprocmask(SIG_SETMASK, [] [pid 1263] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1262] <... symlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 1263] write(1, "executing program\n", 18 executing program [pid 1262] write(1, "executing program\n", 18 [pid 1255] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1265 attached [pid 1264] chdir("./96" [pid 1263] <... write resumed>) = 18 [pid 1262] <... write resumed>) = 18 [pid 1265] set_robust_list(0x555593f8a6a0, 24 [pid 1264] <... chdir resumed>) = 0 [pid 1255] write(1, "executing program\n", 18 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1265 [pid 1265] <... set_robust_list resumed>) = 0 executing program [pid 1264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1263] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1262] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1255] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1265] rt_sigprocmask(SIG_SETMASK, [] [pid 1264] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1264] setpgid(0, 0 [pid 1263] <... socket resumed>) = 3 [pid 1265] chdir("./96" [pid 1264] <... setpgid resumed>) = 0 [pid 1263] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1262] <... socket resumed>) = 3 [pid 1255] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1265] <... chdir resumed>) = 0 [pid 1264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1264] <... openat resumed>) = 3 [pid 1263] <... socket resumed>) = 4 [pid 1262] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1255] <... socket resumed>) = 3 [pid 1265] <... prctl resumed>) = 0 [pid 1264] write(3, "1000", 4 [pid 1265] setpgid(0, 0 [pid 1264] <... write resumed>) = 4 [pid 1263] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1262] <... socket resumed>) = 4 [pid 1265] <... setpgid resumed>) = 0 [pid 1264] close(3 [pid 1255] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1264] <... close resumed>) = 0 [pid 1263] <... connect resumed>) = 0 [pid 1265] <... openat resumed>) = 3 [pid 1264] symlink("/dev/binderfs", "./binderfs" [pid 1263] sendfile(-1, -1, [3 [pid 1262] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1255] <... socket resumed>) = 4 [pid 1265] write(3, "1000", 4 [pid 1264] <... symlink resumed>) = 0 [pid 1263] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1262] <... connect resumed>) = -1 EEXIST (File exists) [pid 1265] <... write resumed>) = 4 [pid 1264] write(1, "executing program\n", 18 [pid 1263] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1262] sendfile(-1, -1, [3 [pid 1255] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1265] close(3 [pid 1264] <... write resumed>) = 18 [pid 1265] <... close resumed>) = 0 [pid 1264] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1265] symlink("/dev/binderfs", "./binderfs" [pid 1264] <... socket resumed>) = 3 executing program [pid 1265] <... symlink resumed>) = 0 [pid 1264] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1263] <... clone3 resumed>) = 1266 [pid 1262] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1255] <... connect resumed>) = -1 EEXIST (File exists) [pid 1265] write(1, "executing program\n", 18 [pid 1264] <... socket resumed>) = 4 executing program [pid 1265] <... write resumed>) = 18 [pid 1264] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1263] ioctl(3, PPPIOCSMRU, 0 [pid 1262] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1255] sendfile(-1, -1, [3 [pid 1265] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1264] <... connect resumed>) = -1 EEXIST (File exists) [pid 1263] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1265] <... socket resumed>) = 3 [pid 1264] sendfile(-1, -1, [3 [pid 1265] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1264] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1265] <... socket resumed>) = 4 [pid 1264] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1265] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1264] <... clone3 resumed>) = 1268 [pid 1263] exit_group(0 [pid 1262] <... clone3 resumed>) = 1267 [pid 1255] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1265] <... connect resumed>) = -1 EEXIST (File exists) [pid 1264] ioctl(3, PPPIOCSMRU, 0 [pid 1263] <... exit_group resumed>) = ? [pid 1265] sendfile(-1, -1, [3 [pid 1264] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1262] ioctl(3, PPPIOCSMRU, 0 [pid 1255] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1265] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1264] exit_group(0 [pid 1265] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1264] <... exit_group resumed>) = ? [pid 1265] <... clone3 resumed>) = 1270 [pid 1264] +++ exited with 0 +++ [pid 1263] +++ exited with 0 +++ [pid 1262] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1255] <... clone3 resumed>) = 1269 [pid 1265] ioctl(3, PPPIOCSMRU, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1265] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1265] exit_group(0 [pid 1262] exit_group(0 [pid 1255] ioctl(3, PPPIOCSMRU, 0 [pid 1265] <... exit_group resumed>) = ? [pid 1265] +++ exited with 0 +++ [pid 1262] <... exit_group resumed>) = ? [pid 1255] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1255] exit_group(0) = ? [pid 1262] +++ exited with 0 +++ [pid 1255] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./96/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 307] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rmdir("./96" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./97", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./96/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./96/binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1271 attached [pid 310] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1271] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1271 [pid 306] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1271] <... set_robust_list resumed>) = 0 [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 1271] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 1271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1271] chdir("./97" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] rmdir("./96" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 1271] <... chdir resumed>) = 0 [pid 310] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./92/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./97", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1271] <... prctl resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./93/binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 308] unlink("./92/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1271] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./98/binderfs" [pid 1271] <... setpgid resumed>) = 0 [pid 310] unlink("./93/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] unlink("./98/binderfs" [pid 1271] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] close(3 [pid 306] <... unlink resumed>) = 0 [pid 1271] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1272 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 1271] <... write resumed>) = 4 [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./92" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1271] close(3 [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 1271] <... close resumed>) = 0 [pid 310] rmdir("./93" [pid 308] mkdir("./93", 0777 [pid 306] <... close resumed>) = 0 [pid 1271] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./98" [pid 1271] <... symlink resumed>) = 0 [pid 310] mkdir("./94", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 1271] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./99", 0777 [pid 1271] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 1271] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1271] <... socket resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1273 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1271] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1271] <... socket resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1274 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1271] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1275 [pid 1271] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1271] sendfile(-1, -1, [3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1271] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1271] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1276 [pid 1271] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1271] exit_group(0) = ? [pid 1271] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1272 attached [pid 1272] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1272] chdir("./97"ci2-android-6-1/strace-static-x86_64: Process 1275 attached ) = 0 [pid 1275] set_robust_list(0x555593f8a6a0, 24 [pid 1272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1275] <... set_robust_list resumed>) = 0 [pid 1272] setpgid(0, 0 [pid 1275] rt_sigprocmask(SIG_SETMASK, [] [pid 1272] <... setpgid resumed>) = 0 [pid 1272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1275] chdir("./99"ci2-android-6-1/strace-static-x86_64: Process 1273 attached [pid 1272] <... openat resumed>) = 3 [pid 1273] set_robust_list(0x555593f8a6a0, 24 [pid 1275] <... chdir resumed>) = 0 [pid 1273] <... set_robust_list resumed>) = 0 [pid 1275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1273] rt_sigprocmask(SIG_SETMASK, [] [pid 1275] <... prctl resumed>) = 0 [pid 1275] setpgid(0, 0) = 0 [pid 1275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1273] chdir("./93" [pid 1272] write(3, "1000", 4) = 4 [pid 1272] close(3) = 0 [pid 1275] <... openat resumed>) = 3 [pid 1273] <... chdir resumed>) = 0 [pid 1272] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1273] setpgid(0, 0) = 0 [pid 1273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1275] write(3, "1000", 4) = 4 executing program [pid 1275] close(3 [pid 1273] <... openat resumed>) = 3 [pid 1275] <... close resumed>) = 0 [pid 1275] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1272] write(1, "executing program\n", 18) = 18 executing program [pid 1273] write(3, "1000", 4) = 4 [pid 1272] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1273] close(3 [pid 1272] <... socket resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 1274 attached [pid 1275] write(1, "executing program\n", 18 [pid 1273] <... close resumed>) = 0 executing program [pid 1272] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1275] <... write resumed>) = 18 [pid 1273] symlink("/dev/binderfs", "./binderfs" [pid 1272] <... socket resumed>) = 4 [ 32.190230][ T1189] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 0000000000000057 [ 32.198536][ T1189] [ 32.201783][ T1189] ---[ end trace 0000000000000000 ]--- [pid 1275] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1273] <... symlink resumed>) = 0 [pid 1272] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1274] set_robust_list(0x555593f8a6a0, 24 [pid 1275] <... socket resumed>) = 3 [pid 1273] write(1, "executing program\n", 18 [pid 1272] <... connect resumed>) = -1 EEXIST (File exists) [pid 1274] <... set_robust_list resumed>) = 0 [pid 1275] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1273] <... write resumed>) = 18 executing program [pid 1272] sendfile(-1, -1, [3 [pid 1275] <... socket resumed>) = 4 [pid 1273] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1272] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1275] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1273] <... socket resumed>) = 3 [pid 1272] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1275] <... connect resumed>) = -1 EEXIST (File exists) [pid 1274] rt_sigprocmask(SIG_SETMASK, [] [pid 1273] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1272] <... clone3 resumed>) = 1277 [pid 1275] sendfile(-1, -1, [3 [pid 1273] <... socket resumed>) = 4 [pid 1272] ioctl(3, PPPIOCSMRU, 0 [pid 1274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1275] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1273] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1272] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1275] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1273] <... connect resumed>) = -1 EEXIST (File exists) [pid 1272] exit_group(0 [pid 1275] <... clone3 resumed>) = 1278 [pid 1274] chdir("./94" [pid 1273] sendfile(-1, -1, [3 [pid 1272] <... exit_group resumed>) = ? [pid 1275] ioctl(3, PPPIOCSMRU, 0 [pid 1274] <... chdir resumed>) = 0 [pid 1273] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1272] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 1275] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1273] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1275] exit_group(0 [pid 1274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1273] <... clone3 resumed>) = 1279 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1275] <... exit_group resumed>) = ? [pid 1273] ioctl(3, PPPIOCSMRU, 0 [pid 307] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1275] +++ exited with 0 +++ [pid 1274] <... prctl resumed>) = 0 [pid 1273] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1273] exit_group(0 [pid 307] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1273] <... exit_group resumed>) = ? [pid 307] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1274] setpgid(0, 0 [pid 1273] +++ exited with 0 +++ [pid 309] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] fstat(3 [pid 307] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./97/binderfs" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./97/binderfs" [pid 1274] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./97/binderfs" [pid 307] getdents64(3 [pid 1274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] unlink("./97/binderfs" [pid 307] close(3 [pid 1274] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 1274] write(3, "1000", 4 [pid 309] getdents64(3 [pid 307] rmdir("./97" [pid 1274] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1274] close(3 [pid 309] close(3 [pid 307] mkdir("./98", 0777 [pid 1274] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1274] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./97" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1274] <... symlink resumed>) = 0 [pid 309] mkdir("./98", 0777 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1274] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 1274] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1280 [pid 1274] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1274] <... socket resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1274] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1281 [pid 1274] <... socket resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1274] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 1281 attached ) = -1 EEXIST (File exists) [pid 1274] sendfile(-1, -1, [3 [pid 1281] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1274] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1274] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1281] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1281] chdir("./98") = 0 [pid 1281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1281] setpgid(0, 0) = 0 [pid 1281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1274] <... clone3 resumed>) = 1282 [pid 1281] <... openat resumed>) = 3 [pid 1274] ioctl(3, PPPIOCSMRU, 0 [pid 1281] write(3, "1000", 4 [pid 1274] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1281] <... write resumed>) = 4 [pid 1281] close(3) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1274] exit_group(0) = ? [pid 308] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... restart_syscall resumed>) = 0 [pid 1274] +++ exited with 0 +++ [pid 308] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./93/binderfs" [pid 306] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./93/binderfs" [pid 306] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 306] fstat(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 306] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] rmdir("./93" [pid 306] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./94", 0777 [pid 306] newfstatat(AT_FDCWD, "./99/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] unlink("./99/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1283 attached ci2-android-6-1/strace-static-x86_64: Process 1280 attached [pid 1281] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1283 [pid 306] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./99") = 0 [pid 306] mkdir("./100", 0777 [pid 1280] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1283] set_robust_list(0x555593f8a6a0, 24 [pid 1281] <... symlink resumed>) = 0 [pid 1280] <... set_robust_list resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1284 attached [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1284 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1283] <... set_robust_list resumed>) = 0 [pid 1283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1283] chdir("./94") = 0 [pid 1283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1283] setpgid(0, 0) = 0 [pid 1283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1283] write(3, "1000", 4) = 4 [pid 1283] close(3) = 0 [pid 1283] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1283] write(1, "executing program\n", 18) = 18 executing program [pid 1283] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1283] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1283] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1283] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1283] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1284] set_robust_list(0x555593f8a6a0, 24 [pid 1281] write(1, "executing program\n", 18 executing program [pid 1280] rt_sigprocmask(SIG_SETMASK, [] [pid 1283] <... clone3 resumed>) = 1285 [pid 1281] <... write resumed>) = 18 [pid 1283] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1284] <... set_robust_list resumed>) = 0 [pid 1283] exit_group(0 [pid 1281] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1280] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1283] <... exit_group resumed>) = ? [pid 1284] rt_sigprocmask(SIG_SETMASK, [] [pid 1283] +++ exited with 0 +++ [pid 1281] <... socket resumed>) = 3 [pid 1280] chdir("./98" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./94/binderfs" [pid 1281] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1280] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./94/binderfs") = 0 [pid 1280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 1281] <... socket resumed>) = 4 [pid 1280] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./94") = 0 [pid 310] mkdir("./95", 0777 [pid 1284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1281] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1280] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 1280] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1281] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1281] sendfile(-1, -1, [3 [pid 1280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1286 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1286 attached [pid 1286] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./94/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 1281] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1280] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./94") = 0 [pid 308] mkdir("./95", 0777 [pid 1286] chdir("./95" [pid 1284] chdir("./100" [pid 1281] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1280] write(3, "1000", 4 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1281] <... clone3 resumed>) = 1287 [pid 1280] <... write resumed>) = 4 [pid 1280] close(3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1288 [pid 1281] ioctl(3, PPPIOCSMRU, 0 [pid 1280] <... close resumed>) = 0 [pid 1281] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1280] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1281] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 1288 attached [pid 1288] set_robust_list(0x555593f8a6a0, 24 [pid 1280] <... symlink resumed>) = 0 [pid 1281] <... exit_group resumed>) = ? [pid 1280] write(1, "executing program\n", 18 [pid 1288] <... set_robust_list resumed>) = 0 [pid 1280] <... write resumed>) = 18 [pid 1288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1288] chdir("./95") = 0 [pid 1288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1288] setpgid(0, 0) = 0 [pid 1281] +++ exited with 0 +++ [pid 1280] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1280] <... socket resumed>) = 3 executing program [pid 1280] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1280] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 1280] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1288] <... openat resumed>) = 3 [pid 1286] <... chdir resumed>) = 0 [pid 1284] <... chdir resumed>) = 0 [pid 1280] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1288] write(3, "1000", 4 [pid 1286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1280] <... clone3 resumed>) = 1289 [pid 309] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1280] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 1280] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1280] exit_group(0) = ? [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./98/binderfs" [pid 1280] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1288] <... write resumed>) = 4 [pid 1286] <... prctl resumed>) = 0 [pid 1284] <... prctl resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1284] setpgid(0, 0) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1288] close(3 [pid 1286] setpgid(0, 0 [pid 309] close(3) = 0 [pid 1284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./98") = 0 [pid 1284] <... openat resumed>) = 3 [pid 309] mkdir("./99", 0777 [pid 1284] write(3, "1000", 4) = 4 [pid 1284] close(3) = 0 [pid 1284] symlink("/dev/binderfs", "./binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1286] <... setpgid resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1284] <... symlink resumed>) = 0 [pid 1284] write(1, "executing program\n", 18) = 18 [pid 1284] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1284] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1290 [pid 1288] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1288] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1284] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1284] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1284] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1290 attached [pid 1288] <... symlink resumed>) = 0 [pid 1286] <... openat resumed>) = 3 [pid 1286] write(3, "1000", 4) = 4 [pid 1286] close(3) = 0 [pid 1286] symlink("/dev/binderfs", "./binderfs" [pid 1284] <... clone3 resumed>) = 1291 [pid 1286] <... symlink resumed>) = 0 [pid 1284] ioctl(3, PPPIOCSMRU, 0 [pid 1288] write(1, "executing program\n", 18 [pid 1284] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1288] <... write resumed>) = 18 [pid 1288] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1284] exit_group(0 [pid 1288] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1284] <... exit_group resumed>) = ? [pid 1288] <... socket resumed>) = 4 [pid 1286] write(1, "executing program\n", 18) = 18 [pid 1286] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1284] +++ exited with 0 +++ executing program executing program [pid 1288] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1288] <... connect resumed>) = -1 EEXIST (File exists) [pid 1286] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1288] sendfile(-1, -1, [3 [pid 1286] <... socket resumed>) = 4 [pid 1288] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1286] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1288] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1286] <... connect resumed>) = -1 EEXIST (File exists) [pid 1290] set_robust_list(0x555593f8a6a0, 24 [pid 1286] sendfile(-1, -1, [3 [pid 1290] <... set_robust_list resumed>) = 0 [pid 1288] <... clone3 resumed>) = 1292 [pid 1286] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1288] ioctl(3, PPPIOCSMRU, 0 [pid 1286] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1290] rt_sigprocmask(SIG_SETMASK, [] [pid 1288] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1286] <... clone3 resumed>) = 1293 [pid 1290] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1288] exit_group(0 [pid 1290] chdir("./99" [pid 1288] <... exit_group resumed>) = ? [pid 1286] ioctl(3, PPPIOCSMRU, 0 [pid 1290] <... chdir resumed>) = 0 [pid 1290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1290] setpgid(0, 0) = 0 [pid 1290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1288] +++ exited with 0 +++ [pid 1286] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1290] write(3, "1000", 4) = 4 [pid 1286] exit_group(0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1286] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1290] close(3) = 0 [pid 1290] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1286] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1290] write(1, "executing program\n", 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1290] <... write resumed>) = 18 [pid 307] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1290] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1290] <... socket resumed>) = 3 [pid 307] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1290] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... openat resumed>) = 3 [pid 1290] <... socket resumed>) = 4 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./98/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1290] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] close(3) = 0 [pid 307] rmdir("./98" [pid 1290] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./99", 0777 [pid 1290] sendfile(-1, -1, [3 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1290] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1290] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1294 attached [pid 1294] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1294 [pid 1294] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1294] rt_sigprocmask(SIG_SETMASK, [] [pid 1290] <... clone3 resumed>) = 1295 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1290] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1294] chdir("./99" [pid 1290] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1290] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1294] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(3 [pid 1294] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1290] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1294] setpgid(0, 0) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1294] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1294] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./95/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1294] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1294] close(3 [pid 310] unlink("./95/binderfs" [pid 306] <... openat resumed>) = 3 [pid 1294] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 1294] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1294] <... symlink resumed>) = 0 [pid 310] close(3 [pid 306] getdents64(3 [pid 1294] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 1294] <... write resumed>) = 18 [pid 310] rmdir("./95" [pid 306] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1294] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1294] <... socket resumed>) = 3 [pid 310] mkdir("./96", 0777 [pid 308] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./100/binderfs" [pid 1294] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1294] <... socket resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./100/binderfs" [pid 1294] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 1294] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3 [pid 306] <... unlink resumed>) = 0 [pid 1294] sendfile(-1, -1, [3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 1294] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1296 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1294] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 1296 attached [pid 1294] <... clone3 resumed>) = 1297 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 1296] set_robust_list(0x555593f8a6a0, 24 [pid 1294] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./100" [pid 1294] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./95/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 1296] <... set_robust_list resumed>) = 0 [pid 1294] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./101", 0777 [pid 1296] rt_sigprocmask(SIG_SETMASK, [] [pid 1294] +++ exited with 0 +++ [pid 308] unlink("./95/binderfs" [pid 1296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1296] chdir("./96" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1296] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1298 attached [pid 1296] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./95" [pid 307] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1298] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1298 [pid 1298] <... set_robust_list resumed>) = 0 [pid 309] fstat(3 [pid 308] mkdir("./96", 0777 [pid 307] fstat(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1298] rt_sigprocmask(SIG_SETMASK, [] [pid 1296] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 1296] <... setpgid resumed>) = 0 [pid 307] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./99/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1296] <... openat resumed>) = 3 [pid 1296] write(3, "1000", 4) = 4 [pid 1296] close(3) = 0 [pid 1296] symlink("/dev/binderfs", "./binderfs" [pid 1298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./99/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1299 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1296] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./99/binderfs" [pid 1298] chdir("./101" [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1298] <... chdir resumed>) = 0 [pid 309] close(3 [pid 307] unlink("./99/binderfs" [pid 309] <... close resumed>) = 0 [pid 1296] write(1, "executing program\n", 18 [pid 307] <... unlink resumed>) = 0 [pid 1298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rmdir("./99" [pid 307] getdents64(3 [pid 1296] <... write resumed>) = 18 [pid 1296] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1298] <... prctl resumed>) = 0 executing program [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1298] setpgid(0, 0 [pid 309] mkdir("./100", 0777 [pid 307] close(3 [pid 1296] <... socket resumed>) = 3 [pid 1296] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1296] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 1298] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./99" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1296] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1296] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1299 attached [pid 1298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 1296] <... clone3 resumed>) = 1300 [pid 1296] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1298] <... openat resumed>) = 3 [pid 1296] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1301 [pid 307] mkdir("./100", 0777 [pid 1296] <... exit_group resumed>) = ? [pid 1298] write(3, "1000", 4 [pid 1296] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 1299] set_robust_list(0x555593f8a6a0, 24 [pid 1298] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1298] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1298] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1299] <... set_robust_list resumed>) = 0 [pid 1298] symlink("/dev/binderfs", "./binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1301 attached [pid 1301] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1301] chdir("./100") = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1302 [pid 310] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1301] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1301] setpgid(0, 0 [pid 310] fstat(3 [pid 1298] <... symlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1299] rt_sigprocmask(SIG_SETMASK, [] [pid 1298] write(1, "executing program\n", 18 [pid 1299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 1301] <... setpgid resumed>) = 0 [pid 1301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1298] <... write resumed>) = 18 executing program [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1299] chdir("./96" [pid 1298] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1299] <... chdir resumed>) = 0 [pid 1301] <... openat resumed>) = 3 [pid 1299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1298] <... socket resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1301] write(3, "1000", 4 [pid 1298] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] newfstatat(AT_FDCWD, "./96/binderfs" [pid 1299] <... prctl resumed>) = 0 [pid 1301] <... write resumed>) = 4 [pid 1299] setpgid(0, 0 [pid 1298] <... socket resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1301] close(3 [pid 310] unlink("./96/binderfs" [pid 1299] <... setpgid resumed>) = 0 [pid 1298] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1301] <... close resumed>) = 0 [pid 1298] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 1301] symlink("/dev/binderfs", "./binderfs" [pid 1298] sendfile(-1, -1, [3 [pid 310] getdents64(3 [pid 1299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1298] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1301] <... symlink resumed>) = 0 [pid 1299] <... openat resumed>) = 3 [pid 1298] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] close(3 [pid 1301] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./96" [pid 1301] <... write resumed>) = 18 [pid 1301] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 1301] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] mkdir("./97", 0777 [pid 1301] <... socket resumed>) = 4 [pid 1301] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1301] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1301] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... mkdir resumed>) = 0 executing program [pid 1301] <... clone3 resumed>) = 1304 [pid 1299] write(3, "1000", 4 [pid 1298] <... clone3 resumed>) = 1303 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1299] <... write resumed>) = 4 [pid 1298] ioctl(3, PPPIOCSMRU, 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1301] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1301] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 1305 attached ci2-android-6-1/strace-static-x86_64: Process 1302 attached [pid 1301] +++ exited with 0 +++ [pid 1299] close(3 [pid 1298] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1305] set_robust_list(0x555593f8a6a0, 24 [pid 1299] <... close resumed>) = 0 [pid 1305] <... set_robust_list resumed>) = 0 [pid 1298] exit_group(0 [pid 1305] rt_sigprocmask(SIG_SETMASK, [] [pid 1299] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1305 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1305] chdir("./97" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1305] <... chdir resumed>) = 0 [pid 1305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1299] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1305] setpgid(0, 0 [pid 1298] <... exit_group resumed>) = ? [pid 1305] <... setpgid resumed>) = 0 [pid 1305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1305] write(3, "1000", 4) = 4 [pid 1305] close(3 [pid 1299] write(1, "executing program\n", 18 [pid 1305] <... close resumed>) = 0 executing program [pid 1305] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1299] <... write resumed>) = 18 [pid 1298] +++ exited with 0 +++ [pid 1305] write(1, "executing program\n", 18) = 18 executing program [pid 1305] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1302] set_robust_list(0x555593f8a6a0, 24 [pid 1299] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1305] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1302] <... set_robust_list resumed>) = 0 [pid 1305] <... socket resumed>) = 4 [pid 1305] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1305] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1305] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1302] rt_sigprocmask(SIG_SETMASK, [] [pid 1299] <... socket resumed>) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1305] <... clone3 resumed>) = 1306 [pid 1302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1299] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... restart_syscall resumed>) = 0 [pid 1305] ioctl(3, PPPIOCSMRU, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1305] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1299] <... socket resumed>) = 4 [pid 1305] exit_group(0) = ? [pid 1299] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1302] chdir("./100" [pid 1299] <... connect resumed>) = -1 EEXIST (File exists) [pid 1305] +++ exited with 0 +++ [pid 1302] <... chdir resumed>) = 0 [pid 1299] sendfile(-1, -1, [3 [pid 309] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1299] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1302] setpgid(0, 0) = 0 [pid 1299] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1299] <... clone3 resumed>) = 1307 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1302] <... openat resumed>) = 3 [pid 1299] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 1299] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] fstat(3 [pid 1302] write(3, "1000", 4 [pid 1299] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1302] <... write resumed>) = 4 [pid 1299] <... exit_group resumed>) = ? [pid 1302] close(3 [pid 309] getdents64(3 [pid 1302] <... close resumed>) = 0 [pid 1302] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1302] write(1, "executing program\n", 18) = 18 [pid 1299] +++ exited with 0 +++ [pid 1302] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 1302] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1302] <... socket resumed>) = 4 [pid 309] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1302] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1302] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./100/binderfs" [pid 1302] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1302] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] unlink("./100/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./100" [pid 1302] <... clone3 resumed>) = 1308 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./101", 0777 [pid 1302] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1302] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1302] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1302] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1309 [pid 306] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 310] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 1302] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] fstat(3 [pid 308] fstat(3 [pid 306] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./101/binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./101/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./97/binderfs" [pid 308] newfstatat(AT_FDCWD, "./96/binderfs" [pid 306] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] unlink("./97/binderfs" [pid 308] unlink("./96/binderfs" [pid 306] close(3 [pid 310] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 306] rmdir("./101"ci2-android-6-1/strace-static-x86_64: Process 1309 attached [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1309] set_robust_list(0x555593f8a6a0, 24 [pid 310] close(3 [pid 308] close(3 [pid 306] mkdir("./102", 0777 [pid 1309] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 1309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./97" [pid 308] rmdir("./96" [pid 306] <... mkdir resumed>) = 0 [pid 1309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1309] chdir("./101" [pid 310] mkdir("./98", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1309] <... chdir resumed>) = 0 [pid 1309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1309] setpgid(0, 0) = 0 [pid 1309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 308] mkdir("./97", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1309] <... openat resumed>) = 3 [pid 1309] write(3, "1000", 4) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1309] close(3) = 0 [pid 1309] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1309] write(1, "executing program\n", 18) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1310 [pid 1309] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1309] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1309] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 307] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1309] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1309] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1313 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1311 [pid 307] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1312 [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1309] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1309] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] getdents64(3 [pid 1309] exit_group(0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1309] <... exit_group resumed>) = ? [pid 307] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1312 attached ci2-android-6-1/strace-static-x86_64: Process 1310 attached [pid 1309] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./100/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1311 attached [pid 307] unlink("./100/binderfs" [pid 1311] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... unlink resumed>) = 0 [pid 1311] <... set_robust_list resumed>) = 0 [pid 307] getdents64(3 [pid 1311] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3 [pid 1311] chdir("./98" [pid 307] <... close resumed>) = 0 [pid 1312] set_robust_list(0x555593f8a6a0, 24 [pid 307] rmdir("./100" [pid 1311] <... chdir resumed>) = 0 [pid 1311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./101", 0777 [pid 1311] setpgid(0, 0) = 0 [pid 1311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... mkdir resumed>) = 0 [pid 1311] write(3, "1000", 4 [pid 309] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1311] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 1311] close(3) = 0 [pid 1311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1314 [pid 1311] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 1311] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1311] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 309] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1311] <... socket resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1311] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] newfstatat(AT_FDCWD, "./101/binderfs" [pid 1312] <... set_robust_list resumed>) = 0 [pid 1311] <... socket resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1310] set_robust_list(0x555593f8a6a0, 24 [pid 309] unlink("./101/binderfs" [pid 1311] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 1311] sendfile(-1, -1, [3 [pid 309] getdents64(3 [pid 1311] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1311] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] close(3 [pid 1312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1314 attached [pid 1312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1310] <... set_robust_list resumed>) = 0 [pid 309] rmdir("./101" [pid 1314] set_robust_list(0x555593f8a6a0, 24 [pid 1312] chdir("./97" [pid 1311] <... clone3 resumed>) = 1315 [pid 309] <... rmdir resumed>) = 0 [pid 1311] ioctl(3, PPPIOCSMRU, 0 [pid 1310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./102", 0777 [pid 1312] <... chdir resumed>) = 0 [pid 1311] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1314] <... set_robust_list resumed>) = 0 [pid 1312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1311] exit_group(0 [pid 1310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1314] rt_sigprocmask(SIG_SETMASK, [] [pid 1312] <... prctl resumed>) = 0 [pid 1311] <... exit_group resumed>) = ? [pid 1310] chdir("./102" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1312] setpgid(0, 0 [pid 1310] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1314] chdir("./101" [pid 1312] <... setpgid resumed>) = 0 [pid 1311] +++ exited with 0 +++ [pid 1310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1316 attached [pid 1314] <... chdir resumed>) = 0 [pid 1312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1310] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1316 [pid 1316] set_robust_list(0x555593f8a6a0, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1316] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1312] <... openat resumed>) = 3 [pid 1310] setpgid(0, 0 [pid 1316] rt_sigprocmask(SIG_SETMASK, [] [pid 1310] <... setpgid resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1312] write(3, "1000", 4 [pid 1316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1316] chdir("./102" [pid 1312] <... write resumed>) = 4 [pid 1310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1312] close(3 [pid 310] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1316] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1312] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1312] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 3 [pid 1310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 1316] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1316] setpgid(0, 0) = 0 [pid 310] getdents64(3 [pid 1316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1312] <... symlink resumed>) = 0 [pid 1310] write(3, "1000", 4 [pid 1312] write(1, "executing program\n", 18 [pid 310] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1316] <... openat resumed>) = 3 executing program [pid 1314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1312] <... write resumed>) = 18 [pid 1310] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1316] write(3, "1000", 4 [pid 1314] <... prctl resumed>) = 0 [pid 1312] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1310] close(3 [pid 310] newfstatat(AT_FDCWD, "./98/binderfs" [pid 1316] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1314] setpgid(0, 0 [pid 1312] <... socket resumed>) = 3 [pid 1310] <... close resumed>) = 0 [pid 1314] <... setpgid resumed>) = 0 [pid 310] unlink("./98/binderfs" [pid 1310] symlink("/dev/binderfs", "./binderfs" [pid 1312] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1316] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1316] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 1316] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1312] <... socket resumed>) = 4 [pid 310] close(3 [pid 1316] <... symlink resumed>) = 0 [pid 1312] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1310] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rmdir("./98" [pid 1312] <... connect resumed>) = -1 EEXIST (File exists) [pid 1310] write(1, "executing program\n", 18 [pid 1316] write(1, "executing program\n", 18) = 18 [pid 1312] sendfile(-1, -1, [3 [pid 1310] <... write resumed>) = 18 [pid 310] <... rmdir resumed>) = 0 executing program executing program [pid 1316] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1314] <... openat resumed>) = 3 [pid 1312] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./99", 0777 [pid 1310] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1316] <... socket resumed>) = 3 [pid 1314] write(3, "1000", 4 [pid 1312] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... mkdir resumed>) = 0 [pid 1316] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1310] <... socket resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1316] <... socket resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1316] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1310] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1316] <... connect resumed>) = -1 EEXIST (File exists) [pid 1316] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1316] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1318 [pid 1310] <... socket resumed>) = 4 [pid 1316] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1317 [pid 1316] exit_group(0 [pid 1314] <... write resumed>) = 4 [pid 1312] <... clone3 resumed>) = 1319 [pid 1310] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1316] <... exit_group resumed>) = ? [pid 1314] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1310] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 1317 attached [pid 1316] +++ exited with 0 +++ [pid 1314] <... close resumed>) = 0 [pid 1312] ioctl(3, PPPIOCSMRU, 0 [pid 1310] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1317] set_robust_list(0x555593f8a6a0, 24 [pid 1314] symlink("/dev/binderfs", "./binderfs" [pid 1312] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1310] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1317] <... set_robust_list resumed>) = 0 [pid 1314] <... symlink resumed>) = 0 [pid 1312] exit_group(0 [pid 1310] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1317] rt_sigprocmask(SIG_SETMASK, [] [pid 1314] write(1, "executing program\n", 18 [pid 1312] <... exit_group resumed>) = ? executing program [pid 1310] <... clone3 resumed>) = 1320 [pid 1317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1314] <... write resumed>) = 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 1310] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1312] +++ exited with 0 +++ [pid 1317] chdir("./99" [pid 1314] socket(AF_PPPOX, SOCK_STREAM, 1 [ 32.374616][ T1266] ------------[ cut here ]------------ [ 32.380152][ T1266] WARNING: CPU: 0 PID: 1266 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 32.390324][ T1266] Modules linked in: [ 32.394275][ T1266] CPU: 0 PID: 1266 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 32.403655][ T1266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 32.413760][ T1266] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [ 32.420155][ T1266] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 32.439869][ T1266] RSP: 0018:ffffc90001ee7b90 EFLAGS: 00010293 [ 32.445991][ T1266] RAX: ffffffff849ca097 RBX: ffff8881181ed000 RCX: ffff888108d91440 [ 32.454020][ T1266] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000c04eb7d [ 32.462048][ T1266] RBP: ffffc90001ee7bb0 R08: ffff8881181ed083 R09: 1ffff1102303da10 [pid 1310] exit_group(0 [pid 1317] <... chdir resumed>) = 0 [pid 1314] <... socket resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1314] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1317] <... prctl resumed>) = 0 [pid 1314] <... socket resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1317] setpgid(0, 0 [pid 1314] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1317] <... setpgid resumed>) = 0 [pid 1314] <... connect resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1314] sendfile(-1, -1, [3 [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1317] <... openat resumed>) = 3 [pid 1314] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 1317] write(3, "1000", 4 [pid 1314] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] getdents64(3 [pid 308] fstat(3 [pid 1317] <... write resumed>) = 4 [pid 1314] <... clone3 resumed>) = 1321 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1317] close(3 [pid 1314] ioctl(3, PPPIOCSMRU, 0 [pid 309] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 1317] <... close resumed>) = 0 [pid 1314] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1317] symlink("/dev/binderfs", "./binderfs" [pid 1314] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./102/binderfs" [pid 308] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1317] <... symlink resumed>) = 0 [pid 1314] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1317] write(1, "executing program\n", 18 [pid 1314] +++ exited with 0 +++ [pid 309] unlink("./102/binderfs" [pid 308] newfstatat(AT_FDCWD, "./97/binderfs" [pid 1317] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1317] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] getdents64(3 [pid 308] unlink("./97/binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1317] <... socket resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... unlink resumed>) = 0 [pid 1317] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] close(3 [pid 308] getdents64(3 [pid 1317] <... socket resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1317] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] rmdir("./102" [pid 308] close(3 [pid 1317] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 1317] sendfile(-1, -1, [3 [pid 309] mkdir("./103", 0777 [pid 308] rmdir("./97" [pid 307] <... restart_syscall resumed>) = 0 [pid 1317] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 1317] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./98", 0777 [pid 1317] <... clone3 resumed>) = 1322 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1317] ioctl(3, PPPIOCSMRU, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1317] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1317] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1323 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 3 [pid 1317] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 1317] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1324 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./101/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1323 attached , 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1323] set_robust_list(0x555593f8a6a0, 24 [pid 310] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 1323] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 1323] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./101" [pid 1323] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 1323] chdir("./103" [pid 310] fstat(3 [pid 307] mkdir("./102", 0777 [pid 1323] <... chdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1323] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1323] setpgid(0, 0 [pid 310] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1323] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] newfstatat(AT_FDCWD, "./99/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1325 [pid 1323] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1323] write(3, "1000", 4 [pid 310] unlink("./99/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1323] <... write resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 1323] close(3 [pid 310] getdents64(3 [pid 1323] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1323] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 1323] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1323] write(1, "executing program\n", 18 [pid 310] rmdir("./99" [pid 1323] <... write resumed>) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 1323] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] mkdir("./100", 0777 [pid 1323] <... socket resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1325 attached [pid 1323] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1325] set_robust_list(0x555593f8a6a0, 24 [pid 1323] <... socket resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1325] <... set_robust_list resumed>) = 0 [pid 1323] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1325] rt_sigprocmask(SIG_SETMASK, [] [pid 1323] <... connect resumed>) = -1 EEXIST (File exists) [pid 1325] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1323] sendfile(-1, -1, [3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1326 [pid 1325] chdir("./102" [pid 1323] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1325] <... chdir resumed>) = 0 [pid 1323] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1323] <... clone3 resumed>) = 1327 [pid 1325] <... prctl resumed>) = 0 [pid 1323] ioctl(3, PPPIOCSMRU, 0 [pid 1325] setpgid(0, 0 [pid 1323] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1325] <... setpgid resumed>) = 0 [pid 1323] exit_group(0 [pid 1325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1323] <... exit_group resumed>) = ? [pid 1325] <... openat resumed>) = 3 [pid 1323] +++ exited with 0 +++ [pid 1325] write(3, "1000", 4) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1325] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1325] <... close resumed>) = 0 [pid 1325] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1325] write(1, "executing program\n", 18) = 18 ci2-android-6-1/strace-static-x86_64: Process 1326 attached [pid 1325] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1326] set_robust_list(0x555593f8a6a0, 24 [pid 1325] <... socket resumed>) = 3 [pid 1326] <... set_robust_list resumed>) = 0 [pid 1325] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1326] rt_sigprocmask(SIG_SETMASK, [] [pid 1325] <... socket resumed>) = 4 [pid 1326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1325] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1326] chdir("./100" [pid 1325] <... connect resumed>) = -1 EEXIST (File exists) [pid 1326] <... chdir resumed>) = 0 [pid 1325] sendfile(-1, -1, [3 [pid 1326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1325] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1326] <... prctl resumed>) = 0 [pid 1325] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1326] setpgid(0, 0 [pid 1325] <... clone3 resumed>) = 1328 [pid 1326] <... setpgid resumed>) = 0 [pid 1325] ioctl(3, PPPIOCSMRU, 0 [pid 1326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1325] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... restart_syscall resumed>) = 0 [pid 1326] <... openat resumed>) = 3 [pid 1325] exit_group(0 [pid 1326] write(3, "1000", 4 [pid 1325] <... exit_group resumed>) = ? [pid 1326] <... write resumed>) = 4 [pid 1325] +++ exited with 0 +++ [pid 309] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1326] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1326] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1326] symlink("/dev/binderfs", "./binderfs" [pid 309] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1326] <... symlink resumed>) = 0 [pid 309] fstat(3 [pid 1326] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1326] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 307] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1326] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1326] <... socket resumed>) = 3 [pid 309] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1326] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 1326] <... socket resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./103/binderfs" [pid 307] fstat(3 [pid 1326] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1326] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./103/binderfs" [pid 307] getdents64(3 [pid 1326] sendfile(-1, -1, [3 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1326] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 307] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1326] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1326] <... clone3 resumed>) = 1329 [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./102/binderfs" [pid 1326] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1326] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] rmdir("./103" [pid 307] unlink("./102/binderfs" [pid 1326] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1326] <... exit_group resumed>) = ? [pid 309] mkdir("./104", 0777 [pid 307] getdents64(3 [pid 1326] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./102") = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1330 [pid 307] mkdir("./103", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1331 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./100/binderfs") = 0 [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1330 attached , 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1330] set_robust_list(0x555593f8a6a0, 24 [pid 310] close(3ci2-android-6-1/strace-static-x86_64: Process 1331 attached [pid 1330] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1331] set_robust_list(0x555593f8a6a0, 24 [pid 1330] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./100" [pid 1331] <... set_robust_list resumed>) = 0 [pid 1330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1331] rt_sigprocmask(SIG_SETMASK, [] [pid 1330] chdir("./104" [pid 310] mkdir("./101", 0777 [pid 1331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1330] <... chdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1331] chdir("./103" [pid 1330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1331] <... chdir resumed>) = 0 [pid 1330] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1330] setpgid(0, 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1331] <... prctl resumed>) = 0 [pid 1330] <... setpgid resumed>) = 0 [pid 1331] setpgid(0, 0 executing program executing program executing program executing program [pid 1330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1332 [pid 1331] <... setpgid resumed>) = 0 [ 32.470108][ T1266] R10: dffffc0000000000 R11: ffffed102303da11 R12: dffffc0000000000 [ 32.478137][ T1266] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881151da800 [ 32.486215][ T1266] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 32.495285][ T1266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.501919][ T1266] CR2: 00007f1cc08655bc CR3: 000000000700f000 CR4: 00000000003506b0 [ 32.509965][ T1266] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 1310] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1310] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1332 attached [pid 1331] <... openat resumed>) = 3 [pid 1332] set_robust_list(0x555593f8a6a0, 24 [pid 1331] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1332] <... set_robust_list resumed>) = 0 [pid 1331] <... write resumed>) = 4 [pid 306] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1332] rt_sigprocmask(SIG_SETMASK, [] [pid 1331] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1331] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1332] chdir("./101" [pid 1331] symlink("/dev/binderfs", "./binderfs" [pid 306] <... openat resumed>) = 3 [pid 1332] <... chdir resumed>) = 0 [pid 1331] <... symlink resumed>) = 0 [pid 306] fstat(3 [pid 1332] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1331] write(1, "executing program\n", 18 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1332] <... prctl resumed>) = 0 [pid 1331] <... write resumed>) = 18 [pid 306] getdents64(3 [pid 1332] setpgid(0, 0 [pid 1331] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1332] <... setpgid resumed>) = 0 [pid 1331] <... socket resumed>) = 3 [pid 306] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1331] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1332] <... openat resumed>) = 3 [pid 1331] <... socket resumed>) = 4 [ 32.517989][ T1266] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.526088][ T1266] Call Trace: [ 32.529428][ T1266] [ 32.532415][ T1266] pppol2tp_release+0x150/0x2b0 [ 32.537314][ T1266] sock_close+0xc9/0x220 [ 32.541609][ T1266] ? __cfi_sock_close+0x10/0x10 [ 32.546558][ T1266] __fput+0x1fd/0x8f0 [ 32.550588][ T1266] ____fput+0x15/0x20 [ 32.554634][ T1266] task_work_run+0x1e1/0x250 [ 32.559280][ T1266] ? __cfi_task_work_run+0x10/0x10 [ 32.564468][ T1266] ? free_nsproxy+0x21f/0x270 [ 32.569188][ T1266] do_exit+0xb0d/0x29f0 [ 32.573453][ T1266] ? __cfi_do_exit+0x10/0x10 [ 32.578091][ T1266] ? xfd_validate_state+0x70/0x150 [ 32.583269][ T1266] ? __kasan_check_write+0x14/0x20 [ 32.588417][ T1266] __x64_sys_exit+0x40/0x40 [ 32.593003][ T1266] x64_sys_call+0x67/0x9a0 [ 32.597457][ T1266] do_syscall_64+0x4c/0xa0 [ 32.601904][ T1266] ? clear_bhb_loop+0x30/0x80 [ 32.606679][ T1266] ? clear_bhb_loop+0x30/0x80 [ 32.611395][ T1266] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 32.617375][ T1266] RIP: 0033:0x7f1cc07fe169 [ 32.621814][ T1266] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 32.628888][ T1266] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.637560][ T1266] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 32.645633][ T1266] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.653651][ T1266] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 32.661657][ T1266] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c executing program executing program executing program [pid 306] newfstatat(AT_FDCWD, "./102/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1324 attached [pid 1332] write(3, "1000", 4 [pid 1331] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1332] <... write resumed>) = 4 [pid 1331] <... connect resumed>) = -1 ENODEV (No such device) [pid 1324] set_robust_list(0x555593f8a6a0, 24 [pid 306] unlink("./102/binderfs" [pid 1332] close(3 [pid 1331] sendfile(-1, -1, [3 [pid 1324] <... set_robust_list resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1332] <... close resumed>) = 0 [pid 1331] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1324] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 1332] symlink("/dev/binderfs", "./binderfs" [pid 1331] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1332] <... symlink resumed>) = 0 [pid 1331] <... clone3 resumed>) = 1333 [pid 1324] chdir("./98" [pid 306] close(3 [pid 1332] write(1, "executing program\n", 18 [pid 1331] ioctl(3, PPPIOCSMRU, 0 [pid 1324] <... chdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1332] <... write resumed>) = 18 [pid 1331] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rmdir("./102" [pid 1332] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1331] exit_group(0 [pid 1324] <... prctl resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1332] <... socket resumed>) = 3 [pid 1331] <... exit_group resumed>) = ? [pid 1324] setpgid(0, 0 [pid 306] mkdir("./103", 0777 [pid 1332] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1331] +++ exited with 0 +++ [pid 1324] <... setpgid resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1332] <... socket resumed>) = 4 [pid 1324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1332] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1324] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1332] <... connect resumed>) = -1 ENODEV (No such device) [pid 1324] write(3, "1000", 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1332] sendfile(-1, -1, [3 [pid 1324] <... write resumed>) = 4 [pid 1332] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1324] close(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1334 [pid 1332] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1324] <... close resumed>) = 0 [pid 307] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1332] <... clone3 resumed>) = 1335 [pid 1324] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1332] ioctl(3, PPPIOCSMRU, 0 [pid 1324] <... symlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1332] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1324] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 [pid 1332] exit_group(0 [pid 1324] <... write resumed>) = 18 [pid 307] fstat(3 [pid 1332] <... exit_group resumed>) = ? [pid 1324] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 1334 attached [pid 1332] +++ exited with 0 +++ [pid 1324] <... socket resumed>) = 3 [pid 307] getdents64(3 [pid 1334] set_robust_list(0x555593f8a6a0, 24 [pid 1324] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1334] <... set_robust_list resumed>) = 0 [pid 1324] <... socket resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] rt_sigprocmask(SIG_SETMASK, [] [pid 1324] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1324] <... connect resumed>) = -1 ENODEV (No such device) [pid 307] newfstatat(AT_FDCWD, "./103/binderfs" [pid 1334] chdir("./103" [pid 1324] sendfile(-1, -1, [3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1334] <... chdir resumed>) = 0 [pid 1324] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./103/binderfs" [pid 1334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1324] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 1334] <... prctl resumed>) = 0 [pid 1324] <... clone3 resumed>) = 1336 [pid 310] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 1334] setpgid(0, 0 [pid 1324] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1334] <... setpgid resumed>) = 0 [pid 1324] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] fstat(3 [pid 307] close(3 [pid 1334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1324] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 1334] <... openat resumed>) = 3 [pid 1324] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 307] rmdir("./103" [pid 1334] write(3, "1000", 4 [pid 1324] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rmdir resumed>) = 0 [pid 1334] <... write resumed>) = 4 [pid 310] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] mkdir("./104", 0777 [pid 1334] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 1334] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./101/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1334] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1334] <... symlink resumed>) = 0 [pid 310] unlink("./101/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1334] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1334] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1337 [pid 1334] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1334] <... socket resumed>) = 3 [pid 310] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1334] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 1334] <... socket resumed>) = 4 [pid 310] rmdir("./101" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1334] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] <... connect resumed>) = -1 ENODEV (No such device) [pid 310] mkdir("./102", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] sendfile(-1, -1, [3 [pid 310] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./98/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1337 attached [pid 1334] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1337] set_robust_list(0x555593f8a6a0, 24 [pid 1334] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] unlink("./98/binderfs" [pid 1337] <... set_robust_list resumed>) = 0 [pid 1334] <... clone3 resumed>) = 1338 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 1337] rt_sigprocmask(SIG_SETMASK, [] [pid 1334] ioctl(3, PPPIOCSMRU, 0 [pid 308] getdents64(3 [pid 1337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1334] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1339 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1337] chdir("./104" [pid 1334] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(3 [pid 1337] <... chdir resumed>) = 0 [pid 1334] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 1337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1334] +++ exited with 0 +++ [pid 308] rmdir("./98" [pid 1337] <... prctl resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1339 attached [pid 1337] setpgid(0, 0 [pid 308] mkdir("./99", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1339] set_robust_list(0x555593f8a6a0, 24 [pid 1337] <... setpgid resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 1339] <... set_robust_list resumed>) = 0 [pid 1337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1339] rt_sigprocmask(SIG_SETMASK, [] [pid 1337] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1337] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 1339] chdir("./102" [pid 1337] <... write resumed>) = 4 [pid 1330] <... openat resumed>) = 3 [pid 1330] write(3, "1000", 4) = 4 [pid 1330] close(3) = 0 [pid 1330] symlink("/dev/binderfs", "./binderfs" [pid 1339] <... chdir resumed>) = 0 [pid 1337] close(3 [pid 1330] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1340 attached [pid 1339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1337] <... close resumed>) = 0 [pid 1330] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1340 [pid 1340] set_robust_list(0x555593f8a6a0, 24 [pid 1339] <... prctl resumed>) = 0 executing program [pid 1337] symlink("/dev/binderfs", "./binderfs" [pid 1330] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1340] <... set_robust_list resumed>) = 0 [pid 1339] setpgid(0, 0 [pid 1337] <... symlink resumed>) = 0 [pid 1330] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1339] <... setpgid resumed>) = 0 [pid 1340] rt_sigprocmask(SIG_SETMASK, [] [pid 1337] write(1, "executing program\n", 18 [pid 1330] <... socket resumed>) = 3 executing program [pid 306] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1337] <... write resumed>) = 18 [pid 1330] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... openat resumed>) = 3 [pid 1339] <... openat resumed>) = 3 [pid 1337] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] fstat(3 [pid 1339] write(3, "1000", 4 [pid 1337] <... socket resumed>) = 3 [pid 1330] <... socket resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1340] chdir("./99" [pid 1339] <... write resumed>) = 4 [pid 1337] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1330] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] getdents64(3 [pid 1340] <... chdir resumed>) = 0 [pid 1339] close(3 [pid 1337] <... socket resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1339] <... close resumed>) = 0 [pid 1337] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1330] <... connect resumed>) = 0 [pid 306] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1339] symlink("/dev/binderfs", "./binderfs" [pid 1337] <... connect resumed>) = -1 EEXIST (File exists) [pid 1330] sendfile(-1, -1, [3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1340] <... prctl resumed>) = 0 [pid 1339] <... symlink resumed>) = 0 [pid 1337] sendfile(-1, -1, [3 [pid 306] newfstatat(AT_FDCWD, "./103/binderfs" [pid 1340] setpgid(0, 0 [pid 1339] write(1, "executing program\n", 18 executing program [pid 1337] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1330] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1340] <... setpgid resumed>) = 0 [pid 1339] <... write resumed>) = 18 [pid 1337] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1330] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] unlink("./103/binderfs" [pid 1340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1339] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1337] <... clone3 resumed>) = 1341 [pid 1330] <... clone3 resumed>) = 1342 [pid 1340] <... openat resumed>) = 3 [pid 1339] <... socket resumed>) = 3 [pid 1337] ioctl(3, PPPIOCSMRU, 0 [pid 1330] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... unlink resumed>) = 0 [pid 1340] write(3, "1000", 4 [pid 1339] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1337] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1330] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 306] getdents64(3 [pid 1340] <... write resumed>) = 4 [pid 1339] <... socket resumed>) = 4 [pid 1337] exit_group(0 [pid 1330] exit_group(0 [pid 1340] close(3 [pid 1339] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1330] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1337] <... exit_group resumed>) = ? [pid 1340] <... close resumed>) = 0 [pid 1339] <... connect resumed>) = -1 EEXIST (File exists) [pid 1330] +++ exited with 0 +++ [pid 306] close(3 [pid 1340] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1339] sendfile(-1, -1, [3 [pid 1337] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 executing program [pid 1340] write(1, "executing program\n", 18 [pid 1339] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./103" [pid 1340] <... write resumed>) = 18 [pid 1339] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 1340] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1340] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1340] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1340] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1339] <... clone3 resumed>) = 1343 [pid 309] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./104", 0777 [pid 1340] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1339] ioctl(3, PPPIOCSMRU, 0 [pid 1340] <... clone3 resumed>) = 1344 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 1339] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1340] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1340] exit_group(0 [pid 309] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1340] <... exit_group resumed>) = ? [pid 1339] exit_group(0) = ? [pid 309] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1340] +++ exited with 0 +++ [pid 309] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1339] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1345 ci2-android-6-1/strace-static-x86_64: Process 1345 attached [pid 1345] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1345] chdir("./104" [pid 309] newfstatat(AT_FDCWD, "./104/binderfs" [pid 308] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1345] <... chdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1345] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./104/binderfs" [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 310] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 309] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 310] unlink("./102/binderfs" [pid 309] rmdir("./104" [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./105", 0777 [pid 307] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 308] newfstatat(AT_FDCWD, "./99/binderfs" [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./102") = 0 [pid 310] mkdir("./103", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 1345] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] unlink("./99/binderfs" [pid 307] newfstatat(AT_FDCWD, "./104/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1346 [pid 308] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1347 [pid 307] unlink("./104/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] close(3 [pid 307] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1347 attached ci2-android-6-1/strace-static-x86_64: Process 1346 attached [pid 1345] <... setpgid resumed>) = 0 [pid 308] rmdir("./99" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1346] set_robust_list(0x555593f8a6a0, 24 [pid 1345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 1347] set_robust_list(0x555593f8a6a0, 24 [pid 307] close(3 [pid 308] mkdir("./100", 0777 [pid 307] <... close resumed>) = 0 [pid 1346] <... set_robust_list resumed>) = 0 [pid 1346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] rmdir("./104" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1346] chdir("./103" [pid 307] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./105", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1346] <... chdir resumed>) = 0 [pid 1346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1346] setpgid(0, 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1346] write(3, "1000", 4) = 4 [pid 1346] close(3) = 0 [pid 1346] symlink("/dev/binderfs", "./binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1348 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1346] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1347] <... set_robust_list resumed>) = 0 [pid 1345] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1346] write(1, "executing program\n", 18) = 18 [pid 1346] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 1346] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1349 [pid 1346] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1346] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1346] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1346] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1349 attached ci2-android-6-1/strace-static-x86_64: Process 1348 attached [pid 1347] rt_sigprocmask(SIG_SETMASK, [] [pid 1345] write(3, "1000", 4 [pid 1349] set_robust_list(0x555593f8a6a0, 24 [pid 1348] set_robust_list(0x555593f8a6a0, 24 [pid 1347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1346] <... clone3 resumed>) = 1350 [pid 1346] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1346] exit_group(0) = ? [pid 1349] <... set_robust_list resumed>) = 0 [pid 1348] <... set_robust_list resumed>) = 0 [pid 1347] chdir("./105" [pid 1345] <... write resumed>) = 4 [pid 1349] rt_sigprocmask(SIG_SETMASK, [] [pid 1348] rt_sigprocmask(SIG_SETMASK, [] [pid 1347] <... chdir resumed>) = 0 [pid 1346] +++ exited with 0 +++ [pid 1345] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1345] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1345] symlink("/dev/binderfs", "./binderfs" [pid 1349] chdir("./105") = 0 [pid 1349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1345] <... symlink resumed>) = 0 [pid 1347] <... prctl resumed>) = 0 [pid 1349] <... prctl resumed>) = 0 [pid 1349] setpgid(0, 0) = 0 [pid 1349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1348] chdir("./100" [pid 1347] setpgid(0, 0 [pid 1345] write(1, "executing program\n", 18 [pid 1349] <... openat resumed>) = 3 [pid 1349] write(3, "1000", 4) = 4 [pid 1349] close(3) = 0 executing program [pid 1349] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1347] <... setpgid resumed>) = 0 [pid 1345] <... write resumed>) = 18 [pid 1348] <... chdir resumed>) = 0 [pid 1345] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1349] write(1, "executing program\n", 18 [pid 1347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1345] <... socket resumed>) = 3 [pid 1349] <... write resumed>) = 18 [pid 1345] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1349] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1347] <... openat resumed>) = 3 [pid 1348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1345] <... socket resumed>) = 4 [pid 1349] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... restart_syscall resumed>) = 0 [pid 1349] <... socket resumed>) = 4 [pid 1348] <... prctl resumed>) = 0 [pid 1347] write(3, "1000", 4 executing program [pid 1345] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1349] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1348] setpgid(0, 0 [pid 1347] <... write resumed>) = 4 [pid 1345] <... connect resumed>) = -1 EEXIST (File exists) [pid 1349] <... connect resumed>) = -1 EEXIST (File exists) [pid 1348] <... setpgid resumed>) = 0 [pid 1347] close(3 [pid 1345] sendfile(-1, -1, [3 [pid 310] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1349] sendfile(-1, -1, [3 [pid 1348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1347] <... close resumed>) = 0 [pid 1345] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1349] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1348] <... openat resumed>) = 3 [pid 1347] symlink("/dev/binderfs", "./binderfs" [pid 1345] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1349] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... openat resumed>) = 3 [pid 1349] <... clone3 resumed>) = 1352 [pid 1348] write(3, "1000", 4 [pid 1347] <... symlink resumed>) = 0 [pid 1345] <... clone3 resumed>) = 1351 [pid 310] fstat(3 [pid 1349] ioctl(3, PPPIOCSMRU, 0 [pid 1348] <... write resumed>) = 4 [pid 1347] write(1, "executing program\n", 18 executing program [pid 1345] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1349] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1348] close(3 [pid 1347] <... write resumed>) = 18 [pid 1345] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] getdents64(3 [pid 1349] exit_group(0 [pid 1348] <... close resumed>) = 0 [pid 1347] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1345] exit_group(0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1349] <... exit_group resumed>) = ? [pid 1348] symlink("/dev/binderfs", "./binderfs" [pid 1347] <... socket resumed>) = 3 [pid 1345] <... exit_group resumed>) = ? [pid 310] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1349] +++ exited with 0 +++ [pid 1345] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./103/binderfs" [pid 1348] <... symlink resumed>) = 0 [pid 1347] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./103/binderfs" [pid 1348] write(1, "executing program\n", 18 [pid 1347] <... socket resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... unlink resumed>) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1348] <... write resumed>) = 18 executing program [pid 1347] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./103") = 0 [pid 1348] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1347] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./104", 0777 [pid 307] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 1348] <... socket resumed>) = 3 [pid 1347] sendfile(-1, -1, [3 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1348] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1347] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1348] <... socket resumed>) = 4 [pid 1347] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1348] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 3 [pid 1347] <... clone3 resumed>) = 1354 [pid 1348] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1353 [pid 307] fstat(3 [pid 306] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] sendfile(-1, -1, [3 [pid 1347] ioctl(3, PPPIOCSMRU, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1348] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1347] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1348] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] getdents64(3 [pid 1347] exit_group(0 [pid 306] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 1353 attached [pid 1353] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1353] chdir("./104" [pid 1348] <... clone3 resumed>) = 1355 [pid 306] <... openat resumed>) = 3 [pid 1353] <... chdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] fstat(3 [pid 1348] ioctl(3, PPPIOCSMRU, 0 [pid 1347] <... exit_group resumed>) = ? [pid 307] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1353] setpgid(0, 0) = 0 [pid 1353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1347] +++ exited with 0 +++ [pid 1353] write(3, "1000", 4) = 4 [pid 306] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] close(3 [pid 1348] exit_group(0 [pid 1353] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] newfstatat(AT_FDCWD, "./105/binderfs" [pid 309] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1353] write(1, "executing program\n", 18) = 18 [pid 1353] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1348] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./105/binderfs" [pid 306] newfstatat(AT_FDCWD, "./104/binderfs" [pid 309] <... openat resumed>) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1353] <... socket resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 307] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] unlink("./104/binderfs" [pid 1353] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [ 32.669719][ T1266] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 0000000000000062 [ 32.677762][ T1266] [ 32.680811][ T1266] ---[ end trace 0000000000000000 ]--- [pid 309] getdents64(3 [pid 1353] <... socket resumed>) = 4 [pid 306] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 306] getdents64(3 [pid 309] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./105/binderfs" [pid 307] rmdir("./105" [pid 306] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] unlink("./105/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1353] <... connect resumed>) = -1 EEXIST (File exists) [pid 1353] sendfile(-1, -1, [3 [pid 309] <... unlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./106", 0777 [pid 306] rmdir("./104" [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 1353] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1353] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./105", 0777 [pid 1353] <... clone3 resumed>) = 1356 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1353] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1353] exit_group(0) = ? [pid 1353] +++ exited with 0 +++ [pid 306] <... mkdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./105") = 0 [pid 309] mkdir("./106", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1357 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1357 attached [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1357] set_robust_list(0x555593f8a6a0, 24 [pid 308] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1357] <... set_robust_list resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./100/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1358 attached [pid 1357] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1358 [pid 308] unlink("./100/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 1357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./100" [pid 1357] chdir("./106" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1359 [pid 1357] <... chdir resumed>) = 0 [pid 308] mkdir("./101", 0777ci2-android-6-1/strace-static-x86_64: Process 1359 attached [pid 1358] set_robust_list(0x555593f8a6a0, 24 [pid 1357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1357] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1359] set_robust_list(0x555593f8a6a0, 24 [pid 1358] <... set_robust_list resumed>) = 0 [pid 1357] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1358] rt_sigprocmask(SIG_SETMASK, [] [pid 1357] <... setpgid resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1359] <... set_robust_list resumed>) = 0 [pid 1358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 1360 attached [pid 1359] rt_sigprocmask(SIG_SETMASK, [] [pid 1358] chdir("./106" [pid 1357] <... openat resumed>) = 3 [pid 1360] set_robust_list(0x555593f8a6a0, 24 [pid 1358] <... chdir resumed>) = 0 [pid 1357] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1360 [pid 1360] <... set_robust_list resumed>) = 0 [pid 1358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1357] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1360] rt_sigprocmask(SIG_SETMASK, [] [pid 1358] <... prctl resumed>) = 0 [pid 1357] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1358] setpgid(0, 0 [pid 1357] <... close resumed>) = 0 [pid 1360] chdir("./101" [pid 1358] <... setpgid resumed>) = 0 [pid 1357] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 1360] <... chdir resumed>) = 0 [pid 1359] chdir("./105" [pid 1360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1357] <... symlink resumed>) = 0 [pid 1360] <... prctl resumed>) = 0 [pid 1358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1357] write(1, "executing program\n", 18 [pid 310] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] setpgid(0, 0 [pid 1357] <... write resumed>) = 18 executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1360] <... setpgid resumed>) = 0 [pid 1358] <... openat resumed>) = 3 [pid 1357] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1358] write(3, "1000", 4 [pid 1357] <... socket resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 1359] <... chdir resumed>) = 0 [pid 1358] <... write resumed>) = 4 [pid 1357] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] fstat(3 [pid 1360] <... openat resumed>) = 3 [pid 1358] close(3 [pid 1357] <... socket resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1360] write(3, "1000", 4 [pid 1359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1358] <... close resumed>) = 0 [pid 1357] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] getdents64(3 [pid 1360] <... write resumed>) = 4 [pid 1359] <... prctl resumed>) = 0 [pid 1358] symlink("/dev/binderfs", "./binderfs" [pid 1357] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1360] close(3 [pid 1358] <... symlink resumed>) = 0 [pid 1357] sendfile(-1, -1, [3 [pid 1359] setpgid(0, 0 [pid 310] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] <... close resumed>) = 0 [pid 1358] write(1, "executing program\n", 18 [pid 1357] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1360] symlink("/dev/binderfs", "./binderfs" [pid 1359] <... setpgid resumed>) = 0 [pid 1358] <... write resumed>) = 18 [pid 1357] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] newfstatat(AT_FDCWD, "./104/binderfs" [pid 1359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1358] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./104/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./104" [pid 1358] <... socket resumed>) = 3 [pid 1357] <... clone3 resumed>) = 1361 [pid 310] <... rmdir resumed>) = 0 [pid 1360] <... symlink resumed>) = 0 [pid 1357] ioctl(3, PPPIOCSMRU, 0 [pid 310] mkdir("./105", 0777 executing program [pid 1360] write(1, "executing program\n", 18 [pid 1359] <... openat resumed>) = 3 [pid 1358] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1357] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1360] <... write resumed>) = 18 [pid 310] <... mkdir resumed>) = 0 [pid 1358] <... socket resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1357] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1360] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1359] write(3, "1000", 4 [pid 1358] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1357] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1360] <... socket resumed>) = 3 [pid 1359] <... write resumed>) = 4 [pid 1358] <... connect resumed>) = -1 EEXIST (File exists) [pid 1357] +++ exited with 0 +++ [pid 1360] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1359] close(3 [pid 1358] sendfile(-1, -1, [3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1362 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1360] <... socket resumed>) = 4 [pid 1359] <... close resumed>) = 0 [pid 1358] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1360] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1359] symlink("/dev/binderfs", "./binderfs" [pid 1358] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1360] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 1362 attached [pid 1362] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1362] chdir("./105" [pid 1358] <... clone3 resumed>) = 1363 [pid 1360] sendfile(-1, -1, [3 [pid 1358] ioctl(3, PPPIOCSMRU, 0 [pid 1360] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1358] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1360] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1362] <... chdir resumed>) = 0 [pid 1359] <... symlink resumed>) = 0 [pid 1362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1358] exit_group(0 [pid 1362] setpgid(0, 0 [pid 1358] <... exit_group resumed>) = ? [pid 1362] <... setpgid resumed>) = 0 [pid 1362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1362] write(3, "1000", 4) = 4 [pid 1362] close(3) = 0 [pid 1358] +++ exited with 0 +++ [pid 1362] symlink("/dev/binderfs", "./binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1362] <... symlink resumed>) = 0 [pid 1362] write(1, "executing program\n", 18) = 18 [pid 1362] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1362] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1360] <... clone3 resumed>) = 1364 [pid 1359] write(1, "executing program\n", 18 [pid 1362] <... socket resumed>) = 4 executing program executing program [pid 1362] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1360] ioctl(3, PPPIOCSMRU, 0 [pid 1359] <... write resumed>) = 18 [pid 1360] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1359] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1360] exit_group(0) = ? [pid 1359] <... socket resumed>) = 3 [pid 1362] <... connect resumed>) = -1 EEXIST (File exists) [pid 1359] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1362] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1362] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1360] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1359] <... socket resumed>) = 4 [pid 1359] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1362] <... clone3 resumed>) = 1365 [pid 1362] ioctl(3, PPPIOCSMRU, 0 [pid 1359] <... connect resumed>) = -1 EEXIST (File exists) [pid 1362] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1362] exit_group(0) = ? [pid 1359] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1359] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1362] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1359] <... clone3 resumed>) = 1366 [pid 1359] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1359] exit_group(0) = ? [pid 1359] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./106/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./106") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] mkdir("./107", 0777 [pid 310] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1367 attached [pid 310] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1367 [pid 307] fstat(3 [pid 306] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 1367] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 306] fstat(3 [pid 1367] <... set_robust_list resumed>) = 0 [pid 310] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1367] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 1367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./105/binderfs" [pid 308] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1367] chdir("./107" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./106/binderfs" [pid 306] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1367] <... chdir resumed>) = 0 [pid 310] unlink("./105/binderfs" [pid 308] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] unlink("./106/binderfs" [pid 306] newfstatat(AT_FDCWD, "./105/binderfs" [pid 1367] <... prctl resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1367] setpgid(0, 0 [pid 310] getdents64(3 [pid 308] fstat(3 [pid 307] getdents64(3 [pid 306] unlink("./105/binderfs" [pid 1367] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(3 [pid 308] getdents64(3 [pid 307] close(3 [pid 306] getdents64(3 [pid 1367] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1367] write(3, "1000", 4 [pid 310] rmdir("./105" [pid 308] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./106" [pid 306] close(3 [pid 1367] <... write resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1367] close(3 [pid 310] mkdir("./106", 0777 [pid 308] newfstatat(AT_FDCWD, "./101/binderfs" [pid 307] mkdir("./107", 0777 [pid 306] rmdir("./105" [pid 1367] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1367] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] unlink("./101/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./106", 0777 [pid 1367] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1367] write(1, "executing program\n", 18 executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 1367] <... write resumed>) = 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 1368 attached [pid 1367] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1368] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1368 [pid 308] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1369 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1368] <... set_robust_list resumed>) = 0 [pid 1367] <... socket resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1368] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./101" [pid 1368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1367] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1368] chdir("./106" [pid 308] mkdir("./102", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1370 ci2-android-6-1/strace-static-x86_64: Process 1370 attached ci2-android-6-1/strace-static-x86_64: Process 1369 attached [pid 1368] <... chdir resumed>) = 0 [pid 1367] <... socket resumed>) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1368] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1368] setpgid(0, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1370] set_robust_list(0x555593f8a6a0, 24 [pid 1369] set_robust_list(0x555593f8a6a0, 24 [pid 1367] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1371 attached [pid 1370] <... set_robust_list resumed>) = 0 [pid 1369] <... set_robust_list resumed>) = 0 [pid 1368] <... setpgid resumed>) = 0 [pid 1367] <... connect resumed>) = -1 EEXIST (File exists) [pid 1371] set_robust_list(0x555593f8a6a0, 24 [pid 1369] rt_sigprocmask(SIG_SETMASK, [] [pid 1368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1367] sendfile(-1, -1, [3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1371 [pid 1371] <... set_robust_list resumed>) = 0 [pid 1370] rt_sigprocmask(SIG_SETMASK, [] [pid 1369] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1368] <... openat resumed>) = 3 [pid 1367] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1371] rt_sigprocmask(SIG_SETMASK, [] [pid 1368] write(3, "1000", 4 [pid 1367] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1369] chdir("./107" [pid 1368] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1371] chdir("./102" [pid 1368] close(3 [pid 1371] <... chdir resumed>) = 0 [pid 1369] <... chdir resumed>) = 0 [pid 1368] <... close resumed>) = 0 [pid 1367] <... clone3 resumed>) = 1372 [pid 1371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1368] symlink("/dev/binderfs", "./binderfs" [pid 1370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1367] ioctl(3, PPPIOCSMRU, 0 [pid 1371] <... prctl resumed>) = 0 [pid 1368] <... symlink resumed>) = 0 [pid 1371] setpgid(0, 0 [pid 1369] <... prctl resumed>) = 0 executing program [pid 1368] write(1, "executing program\n", 18 [pid 1367] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1371] <... setpgid resumed>) = 0 [pid 1368] <... write resumed>) = 18 [pid 1371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1369] setpgid(0, 0 [pid 1368] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1367] exit_group(0 [pid 1371] <... openat resumed>) = 3 [pid 1370] chdir("./106" [pid 1369] <... setpgid resumed>) = 0 [pid 1368] <... socket resumed>) = 3 [pid 1367] <... exit_group resumed>) = ? [pid 1371] write(3, "1000", 4 [pid 1370] <... chdir resumed>) = 0 [pid 1369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1368] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1371] <... write resumed>) = 4 [pid 1368] <... socket resumed>) = 4 [pid 1371] close(3 [pid 1368] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1371] <... close resumed>) = 0 [pid 1368] <... connect resumed>) = -1 EEXIST (File exists) [pid 1371] symlink("/dev/binderfs", "./binderfs" [pid 1368] sendfile(-1, -1, [3 [pid 1367] +++ exited with 0 +++ [pid 1371] <... symlink resumed>) = 0 [pid 1370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1369] <... openat resumed>) = 3 [pid 1368] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1371] write(1, "executing program\n", 18 [pid 1370] <... prctl resumed>) = 0 [pid 1369] write(3, "1000", 4 [pid 1368] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1370] setpgid(0, 0 [pid 1369] <... write resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1370] <... setpgid resumed>) = 0 executing program [pid 1369] close(3 [pid 1371] <... write resumed>) = 18 [pid 1370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1369] <... close resumed>) = 0 [pid 1368] <... clone3 resumed>) = 1373 [pid 1371] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1370] <... openat resumed>) = 3 [pid 1369] symlink("/dev/binderfs", "./binderfs" [pid 1368] ioctl(3, PPPIOCSMRU, 0 [pid 1371] <... socket resumed>) = 3 [pid 1368] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1371] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1370] write(3, "1000", 4 [pid 1369] <... symlink resumed>) = 0 [pid 1368] exit_group(0 [pid 1371] <... socket resumed>) = 4 [pid 1370] <... write resumed>) = 4 executing program [pid 1369] write(1, "executing program\n", 18 [pid 1368] <... exit_group resumed>) = ? [pid 1371] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1370] close(3 [pid 1369] <... write resumed>) = 18 [pid 1370] <... close resumed>) = 0 [pid 1369] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1370] symlink("/dev/binderfs", "./binderfs" [pid 1369] <... socket resumed>) = 3 [pid 1368] +++ exited with 0 +++ [pid 1371] <... connect resumed>) = -1 EEXIST (File exists) [pid 1371] sendfile(-1, -1, [3 [pid 1370] <... symlink resumed>) = 0 [pid 1369] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1371] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1370] write(1, "executing program\n", 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1371] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1370] <... write resumed>) = 18 [pid 1369] <... socket resumed>) = 4 [pid 1370] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1369] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1370] <... socket resumed>) = 3 [pid 1369] <... connect resumed>) = -1 EEXIST (File exists) [pid 1370] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1369] sendfile(-1, -1, [3 [pid 1371] <... clone3 resumed>) = 1374 [pid 1370] <... socket resumed>) = 4 [pid 1369] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1371] ioctl(3, PPPIOCSMRU, 0 [pid 1370] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1369] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1371] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1370] <... connect resumed>) = -1 EEXIST (File exists) [pid 1371] exit_group(0) = ? [pid 1371] +++ exited with 0 +++ [pid 1370] sendfile(-1, -1, [3 [pid 1369] <... clone3 resumed>) = 1375 [pid 1370] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1369] ioctl(3, PPPIOCSMRU, 0 [pid 309] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1370] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1369] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1369] exit_group(0 [pid 1370] <... clone3 resumed>) = 1376 [pid 1369] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1370] ioctl(3, PPPIOCSMRU, 0 [pid 1369] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 3 [pid 1370] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] fstat(3 [pid 1370] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1370] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1370] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./107/binderfs") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 307] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./107" [pid 307] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] mkdir("./108", 0777 [pid 307] fstat(3 [pid 310] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 310] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./106/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1377 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 1377] set_robust_list(0x555593f8a6a0, 24 [pid 310] unlink("./106/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1377 [pid 307] newfstatat(AT_FDCWD, "./107/binderfs" [pid 1377] <... set_robust_list resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1377] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./107/binderfs" [pid 306] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1377] chdir("./108" [pid 310] close(3 [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1377] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 1377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rmdir("./106" [pid 307] close(3 [pid 306] fstat(3 [pid 1377] <... prctl resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1377] setpgid(0, 0 [pid 310] mkdir("./107", 0777 [pid 307] rmdir("./107" [pid 306] getdents64(3 [pid 1377] <... setpgid resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] mkdir("./108", 0777 [pid 306] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 308] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 1377] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1377] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./106/binderfs" [pid 1377] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1377] close(3 [pid 308] fstat(3 [pid 306] unlink("./106/binderfs" [pid 1377] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1379 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1378 [pid 306] <... unlink resumed>) = 0 [pid 1377] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 1377] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1377] write(1, "executing program\n", 18 executing program [pid 306] close(3 [pid 1377] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... close resumed>) = 0 [pid 1377] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] rmdir("./106" [pid 1377] <... socket resumed>) = 3 [pid 308] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 1377] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./107", 0777ci2-android-6-1/strace-static-x86_64: Process 1379 attached ci2-android-6-1/strace-static-x86_64: Process 1378 attached [pid 1377] <... socket resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./102/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 1377] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1377] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] unlink("./102/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1377] sendfile(-1, -1, [3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1379] set_robust_list(0x555593f8a6a0, 24 [pid 1378] set_robust_list(0x555593f8a6a0, 24 [pid 1377] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1380 attached [pid 1377] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] getdents64(3 [pid 1379] <... set_robust_list resumed>) = 0 [pid 1378] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1380] set_robust_list(0x555593f8a6a0, 24 [pid 1379] rt_sigprocmask(SIG_SETMASK, [] [pid 1378] rt_sigprocmask(SIG_SETMASK, [] [pid 1377] <... clone3 resumed>) = 1381 [pid 308] close(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1380 [pid 1380] <... set_robust_list resumed>) = 0 [pid 1377] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1380] rt_sigprocmask(SIG_SETMASK, [] [pid 1377] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] rmdir("./102" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1377] exit_group(0 [pid 1380] chdir("./107" [pid 1377] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 1380] <... chdir resumed>) = 0 [pid 1379] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./103", 0777 [pid 1380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1377] +++ exited with 0 +++ [pid 1380] <... prctl resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1380] setpgid(0, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1380] <... setpgid resumed>) = 0 [pid 1380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 1380] <... openat resumed>) = 3 [pid 1380] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1380] <... write resumed>) = 4 [pid 1380] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1380] <... close resumed>) = 0 [pid 1380] symlink("/dev/binderfs", "./binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1380] <... symlink resumed>) = 0 [pid 1379] chdir("./107" [pid 1378] chdir("./108" [pid 309] <... restart_syscall resumed>) = 0 executing program [pid 1380] write(1, "executing program\n", 18) = 18 [pid 1380] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1379] <... chdir resumed>) = 0 [pid 1378] <... chdir resumed>) = 0 [pid 309] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1382 attached [pid 1380] <... socket resumed>) = 3 [pid 1379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1382 [pid 1380] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1379] <... prctl resumed>) = 0 [pid 1378] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1382] set_robust_list(0x555593f8a6a0, 24 [pid 1380] <... socket resumed>) = 4 [pid 1379] setpgid(0, 0 [pid 1378] setpgid(0, 0 [pid 309] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1380] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1379] <... setpgid resumed>) = 0 [pid 309] fstat(3 [pid 1382] <... set_robust_list resumed>) = 0 [pid 1380] <... connect resumed>) = -1 EEXIST (File exists) [pid 1378] <... setpgid resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1382] rt_sigprocmask(SIG_SETMASK, [] [pid 1380] sendfile(-1, -1, [3 [pid 1379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 1380] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1380] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1379] <... openat resumed>) = 3 [pid 1378] <... openat resumed>) = 3 [pid 309] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1382] chdir("./103" [pid 1380] <... clone3 resumed>) = 1383 [pid 1379] write(3, "1000", 4 [pid 1378] write(3, "1000", 4 [pid 1382] <... chdir resumed>) = 0 [pid 1380] ioctl(3, PPPIOCSMRU, 0 [pid 1379] <... write resumed>) = 4 [pid 1378] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1380] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1379] close(3 [pid 309] newfstatat(AT_FDCWD, "./108/binderfs" [pid 1382] <... prctl resumed>) = 0 [pid 1380] exit_group(0 [pid 1378] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1382] setpgid(0, 0 [pid 1380] <... exit_group resumed>) = ? [pid 1379] <... close resumed>) = 0 [pid 1378] <... close resumed>) = 0 [pid 309] unlink("./108/binderfs" [pid 1382] <... setpgid resumed>) = 0 [pid 1379] symlink("/dev/binderfs", "./binderfs" [pid 1378] symlink("/dev/binderfs", "./binderfs" [pid 1382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1380] +++ exited with 0 +++ [pid 1379] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1378] <... symlink resumed>) = 0 [pid 1379] write(1, "executing program\n", 18 [pid 1378] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program executing program [pid 1382] <... openat resumed>) = 3 [pid 1379] <... write resumed>) = 18 [pid 1378] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1382] write(3, "1000", 4 [pid 1379] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1378] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] close(3) = 0 [pid 309] rmdir("./108" [pid 1382] <... write resumed>) = 4 [pid 1379] <... socket resumed>) = 3 [pid 1378] <... socket resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 1382] close(3 [pid 1379] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1378] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] mkdir("./109", 0777 [pid 1382] <... close resumed>) = 0 [pid 1379] <... socket resumed>) = 4 [pid 1378] <... socket resumed>) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1382] symlink("/dev/binderfs", "./binderfs" [pid 1379] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1378] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 1384 attached [pid 1379] <... connect resumed>) = -1 EEXIST (File exists) [pid 1378] <... connect resumed>) = -1 EEXIST (File exists) [pid 1384] set_robust_list(0x555593f8a6a0, 24 [pid 1382] <... symlink resumed>) = 0 [pid 1379] sendfile(-1, -1, [3 [pid 1378] sendfile(-1, -1, [3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1384 [pid 1382] write(1, "executing program\n", 18 [pid 1379] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1378] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1384] <... set_robust_list resumed>) = 0 [pid 1382] <... write resumed>) = 18 [pid 1379] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1378] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1384] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1384] chdir("./109" [pid 1379] <... clone3 resumed>) = 1385 [pid 1384] <... chdir resumed>) = 0 [pid 306] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1384] <... prctl resumed>) = 0 [pid 1378] <... clone3 resumed>) = 1386 [pid 306] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1384] setpgid(0, 0 [pid 1382] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1379] ioctl(3, PPPIOCSMRU, 0 [pid 1378] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... openat resumed>) = 3 [pid 1384] <... setpgid resumed>) = 0 [pid 1382] <... socket resumed>) = 3 [pid 1379] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1378] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] fstat(3 [pid 1384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1382] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1384] <... openat resumed>) = 3 [pid 1382] <... socket resumed>) = 4 [pid 1379] exit_group(0 [pid 1378] exit_group(0 [pid 306] getdents64(3 [pid 1384] write(3, "1000", 4 [pid 1382] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1379] <... exit_group resumed>) = ? [pid 1378] <... exit_group resumed>) = ? [pid 1384] <... write resumed>) = 4 [pid 1382] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1384] close(3 [pid 306] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1384] symlink("/dev/binderfs", "./binderfs" [pid 1379] +++ exited with 0 +++ [pid 306] newfstatat(AT_FDCWD, "./107/binderfs" [pid 1384] <... symlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1384] write(1, "executing program\n", 18 [pid 1382] sendfile(-1, -1, [3 [pid 1378] +++ exited with 0 +++ [pid 306] unlink("./107/binderfs" [pid 1384] <... write resumed>) = 18 [pid 1382] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1384] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1382] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... unlink resumed>) = 0 [pid 1384] <... socket resumed>) = 3 [pid 1382] <... clone3 resumed>) = 1387 [pid 1382] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1382] exit_group(0 [pid 1384] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1382] <... exit_group resumed>) = ? [pid 306] getdents64(3 [pid 1384] <... socket resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1384] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] close(3 [pid 1384] <... connect resumed>) = -1 EEXIST (File exists) [pid 1382] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1384] sendfile(-1, -1, [3 [pid 306] rmdir("./107" [pid 1384] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1384] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 307] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./108", 0777 [pid 310] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... mkdir resumed>) = 0 [pid 310] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./107/binderfs" [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1384] <... clone3 resumed>) = 1388 [pid 310] unlink("./107/binderfs") = 0 [pid 307] getdents64(3 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./107") = 0 [pid 310] mkdir("./108", 0777 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 ci2-android-6-1/strace-static-x86_64: Process 1389 attached [pid 1384] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1389 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1389] set_robust_list(0x555593f8a6a0, 24 [pid 1384] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1390 attached [pid 1389] <... set_robust_list resumed>) = 0 [pid 1384] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1390] set_robust_list(0x555593f8a6a0, 24 [pid 1389] rt_sigprocmask(SIG_SETMASK, [] [pid 1384] <... exit_group resumed>) = ? [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1390 [pid 307] newfstatat(AT_FDCWD, "./108/binderfs" [pid 1390] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1390] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1384] +++ exited with 0 +++ [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1389] chdir("./108" [pid 307] unlink("./108/binderfs" [pid 1389] <... chdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 1389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 1390] chdir("./108" [pid 1389] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1390] <... chdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 1390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1389] setpgid(0, 0 [pid 1390] <... prctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 1390] setpgid(0, 0 [pid 308] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./108" [pid 1390] <... setpgid resumed>) = 0 [pid 1389] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 1389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] mkdir("./109", 0777 [pid 1390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1389] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1389] write(3, "1000", 4 [pid 308] <... openat resumed>) = 3 [pid 307] <... mkdir resumed>) = 0 [pid 1389] <... write resumed>) = 4 [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1389] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1389] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1390] <... openat resumed>) = 3 [pid 1389] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1391 attached [pid 1389] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1391] set_robust_list(0x555593f8a6a0, 24 [pid 1389] write(1, "executing program\n", 18 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1391 executing program [pid 1391] <... set_robust_list resumed>) = 0 [pid 1390] write(3, "1000", 4 [pid 1389] <... write resumed>) = 18 [pid 308] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1391] rt_sigprocmask(SIG_SETMASK, [] [pid 1390] <... write resumed>) = 4 [pid 1389] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1390] close(3 [pid 308] newfstatat(AT_FDCWD, "./103/binderfs" [pid 1390] <... close resumed>) = 0 [pid 1389] <... socket resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1390] symlink("/dev/binderfs", "./binderfs" [pid 308] unlink("./103/binderfs" [pid 1391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1390] <... symlink resumed>) = 0 [pid 1389] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... unlink resumed>) = 0 [pid 1391] chdir("./109" [pid 1390] write(1, "executing program\n", 18 [pid 1389] <... socket resumed>) = 4 [pid 308] getdents64(3 [pid 1391] <... chdir resumed>) = 0 executing program [pid 1389] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1390] <... write resumed>) = 18 [pid 1389] <... connect resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1391] <... prctl resumed>) = 0 [pid 1389] sendfile(-1, -1, [3 [pid 308] close(3 [pid 1391] setpgid(0, 0 [pid 1390] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1389] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1391] <... setpgid resumed>) = 0 [pid 1389] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... close resumed>) = 0 [pid 1390] <... socket resumed>) = 3 [pid 308] rmdir("./103" [pid 1391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1390] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1389] <... clone3 resumed>) = 1392 [pid 308] <... rmdir resumed>) = 0 [pid 1390] <... socket resumed>) = 4 [pid 1389] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./104", 0777 [pid 1390] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... mkdir resumed>) = 0 [pid 1390] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1390] sendfile(-1, -1, [3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1390] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1391] <... openat resumed>) = 3 [pid 1389] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) ci2-android-6-1/strace-static-x86_64: Process 1393 attached [pid 1391] write(3, "1000", 4 [pid 1390] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1389] exit_group(0 [pid 1391] <... write resumed>) = 4 [pid 1389] <... exit_group resumed>) = ? [pid 309] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1393 [pid 1391] close(3 [pid 1390] <... clone3 resumed>) = 1394 [pid 1389] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1391] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1391] symlink("/dev/binderfs", "./binderfs" [pid 1390] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1393] set_robust_list(0x555593f8a6a0, 24 [pid 1391] <... symlink resumed>) = 0 [pid 309] fstat(3 [pid 1391] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 1391] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 1391] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1393] <... set_robust_list resumed>) = 0 [pid 1391] <... socket resumed>) = 3 [pid 1390] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1391] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1391] <... socket resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./109/binderfs" [pid 1391] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1391] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./109/binderfs" [pid 1391] sendfile(-1, -1, [3 [pid 309] <... unlink resumed>) = 0 [pid 1391] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1391] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1393] rt_sigprocmask(SIG_SETMASK, [] [pid 1391] <... clone3 resumed>) = 1395 [pid 1390] exit_group(0 [pid 309] close(3 [pid 1391] ioctl(3, PPPIOCSMRU, 0 [pid 1390] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 1391] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] rmdir("./109" [pid 1391] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 1391] <... exit_group resumed>) = ? [pid 309] mkdir("./110", 0777 [pid 1393] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1390] +++ exited with 0 +++ [pid 1391] +++ exited with 0 +++ [pid 1393] chdir("./104" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1393] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1396 attached [pid 307] <... restart_syscall resumed>) = 0 [pid 1396] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1396 [pid 1396] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1396] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1396] chdir("./110" [pid 307] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1396] <... chdir resumed>) = 0 [pid 1393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... openat resumed>) = 3 [pid 1396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] fstat(3 [pid 1396] <... prctl resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1396] setpgid(0, 0 [pid 307] getdents64(3 [pid 1396] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1396] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1396] write(3, "1000", 4 [pid 307] newfstatat(AT_FDCWD, "./109/binderfs" [pid 1396] <... write resumed>) = 4 [pid 1393] <... prctl resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1396] close(3 [pid 307] unlink("./109/binderfs" [pid 1396] <... close resumed>) = 0 [pid 1393] setpgid(0, 0 [pid 307] <... unlink resumed>) = 0 [pid 1396] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 1396] <... symlink resumed>) = 0 [pid 1393] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1396] write(1, "executing program\n", 18 [pid 307] close(3 [pid 1396] <... write resumed>) = 18 [pid 307] <... close resumed>) = 0 executing program [pid 1396] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rmdir("./109" [pid 1396] <... socket resumed>) = 3 [pid 1393] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 1396] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1393] write(3, "1000", 4 [pid 307] mkdir("./110", 0777 [pid 1396] <... socket resumed>) = 4 [pid 1393] <... write resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 1396] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1393] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 1396] <... connect resumed>) = -1 EEXIST (File exists) [pid 1393] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1396] sendfile(-1, -1, [3 [pid 1393] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1396] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1393] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1397 attached [pid 1396] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 executing program [pid 1393] write(1, "executing program\n", 18 [pid 306] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1397] set_robust_list(0x555593f8a6a0, 24 [pid 1396] <... clone3 resumed>) = 1398 [pid 1393] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1397 [pid 1397] <... set_robust_list resumed>) = 0 [pid 1393] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... openat resumed>) = 3 [pid 1397] rt_sigprocmask(SIG_SETMASK, [] [pid 1396] ioctl(3, PPPIOCSMRU, 0 [pid 1393] <... socket resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 1397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1396] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1393] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1396] exit_group(0 [pid 1393] <... socket resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1397] chdir("./110" [pid 1396] <... exit_group resumed>) = ? [pid 1393] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1393] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 1393] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1393] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1397] <... chdir resumed>) = 0 [pid 1396] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1393] <... clone3 resumed>) = 1399 [pid 310] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] <... prctl resumed>) = 0 [pid 1393] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1397] setpgid(0, 0 [pid 1393] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1397] <... setpgid resumed>) = 0 [pid 1393] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./108/binderfs" [pid 1397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1393] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1397] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] unlink("./108/binderfs" [pid 1397] write(3, "1000", 4 [pid 1393] +++ exited with 0 +++ [pid 310] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 1397] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 1397] close(3 [pid 310] newfstatat(AT_FDCWD, "./108/binderfs" [pid 309] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1397] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 1397] symlink("/dev/binderfs", "./binderfs" [pid 310] unlink("./108/binderfs" [pid 309] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 1397] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] rmdir("./108" [pid 1397] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 306] <... rmdir resumed>) = 0 [pid 1397] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 306] mkdir("./109", 0777 [pid 1397] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] close(3 [pid 309] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 1397] <... socket resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1397] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] rmdir("./108" [pid 309] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1397] <... socket resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1397] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] mkdir("./109", 0777 [pid 309] newfstatat(AT_FDCWD, "./110/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1400 attached [pid 1400] set_robust_list(0x555593f8a6a0, 24 [pid 1397] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1400 [pid 1397] sendfile(-1, -1, [3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./110/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1397] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1397] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 1400] <... set_robust_list resumed>) = 0 [pid 1397] <... clone3 resumed>) = 1401 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1402 [pid 309] close(3 [pid 1397] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... close resumed>) = 0 [pid 1397] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./110" [pid 308] <... restart_syscall resumed>) = 0 [pid 1397] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1397] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 1402 attached [pid 1397] +++ exited with 0 +++ [pid 309] mkdir("./111", 0777 [pid 308] <... openat resumed>) = 3 [pid 1400] chdir("./109" [pid 308] fstat(3 [pid 1402] set_robust_list(0x555593f8a6a0, 24 [pid 1400] <... chdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1403 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1402] <... set_robust_list resumed>) = 0 [pid 1402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1402] chdir("./109" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1400] <... prctl resumed>) = 0 [pid 308] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1400] <... setpgid resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./104/binderfs" [pid 1402] <... chdir resumed>) = 0 [pid 1400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1400] <... openat resumed>) = 3 [pid 308] unlink("./104/binderfs" [pid 1402] <... prctl resumed>) = 0 [pid 1400] write(3, "1000", 4 [pid 1402] setpgid(0, 0 [pid 1400] <... write resumed>) = 4 [pid 308] <... unlink resumed>) = 0 [pid 1402] <... setpgid resumed>) = 0 [pid 1400] close(3 [pid 308] getdents64(3 [pid 1402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1400] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1402] <... openat resumed>) = 3 [pid 1400] symlink("/dev/binderfs", "./binderfs" [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 1403 attached [pid 1402] write(3, "1000", 4 [pid 1400] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 1402] <... write resumed>) = 4 [pid 1400] write(1, "executing program\n", 18 [pid 308] rmdir("./104" [pid 1402] close(3 [pid 1400] <... write resumed>) = 18 [pid 1402] <... close resumed>) = 0 [pid 1400] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... rmdir resumed>) = 0 [pid 1402] symlink("/dev/binderfs", "./binderfs" [pid 1400] <... socket resumed>) = 3 [pid 1402] <... symlink resumed>) = 0 [pid 1400] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1402] write(1, "executing program\n", 18 [pid 1400] <... socket resumed>) = 4 [pid 1402] <... write resumed>) = 18 [pid 1400] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1402] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1400] <... connect resumed>) = -1 EEXIST (File exists) [pid 1402] <... socket resumed>) = 3 [pid 1400] sendfile(-1, -1, [3 [pid 308] mkdir("./105", 0777 [pid 1402] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1400] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1402] <... socket resumed>) = 4 executing program executing program [pid 1400] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1403] set_robust_list(0x555593f8a6a0, 24 [pid 1402] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1400] <... clone3 resumed>) = 1404 [pid 308] <... mkdir resumed>) = 0 [pid 1402] <... connect resumed>) = -1 EEXIST (File exists) [pid 1400] ioctl(3, PPPIOCSMRU, 0 [pid 1402] sendfile(-1, -1, [3 [pid 1400] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1402] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1400] exit_group(0 [pid 1402] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1400] <... exit_group resumed>) = ? [pid 1403] <... set_robust_list resumed>) = 0 [pid 1402] <... clone3 resumed>) = 1405 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1402] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1402] exit_group(0) = ? [pid 1403] rt_sigprocmask(SIG_SETMASK, [] [pid 1402] +++ exited with 0 +++ [pid 1400] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1403] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1403] chdir("./111") = 0 [pid 1403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1403] setpgid(0, 0) = 0 [pid 1403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1403] write(3, "1000", 4) = 4 [pid 1403] close(3 [pid 306] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1403] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1403] symlink("/dev/binderfs", "./binderfs" [pid 306] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1403] <... symlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 executing program [pid 1403] write(1, "executing program\n", 18 [pid 307] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 1403] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1403] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 1403] <... socket resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1403] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 306] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1403] <... socket resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1403] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] fstat(3 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./109/binderfs" [pid 1403] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1403] sendfile(-1, -1, [3 [pid 310] getdents64(3 [pid 307] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./109/binderfs" [pid 1403] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 1403] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./110/binderfs" [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1406 attached [pid 1403] <... clone3 resumed>) = 1407 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1406 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1403] ioctl(3, PPPIOCSMRU, 0 [pid 310] newfstatat(AT_FDCWD, "./109/binderfs" [pid 307] unlink("./110/binderfs" [pid 306] close(3 [pid 1403] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1406] set_robust_list(0x555593f8a6a0, 24 [pid 1403] exit_group(0 [pid 310] unlink("./109/binderfs" [pid 307] getdents64(3 [pid 306] rmdir("./109" [pid 1403] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1406] <... set_robust_list resumed>) = 0 [pid 1403] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3 [pid 306] mkdir("./110", 0777 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./110" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./109" [pid 307] mkdir("./111", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1406] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1408 attached [pid 310] mkdir("./110", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1408] set_robust_list(0x555593f8a6a0, 24 [pid 1406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1408 [pid 1408] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1409 attached [pid 1408] rt_sigprocmask(SIG_SETMASK, [] [pid 1406] chdir("./105" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1409] set_robust_list(0x555593f8a6a0, 24 [pid 1408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1409 [pid 1409] <... set_robust_list resumed>) = 0 [pid 1408] chdir("./110" [pid 1406] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1410 attached [pid 1409] rt_sigprocmask(SIG_SETMASK, [] [pid 1408] <... chdir resumed>) = 0 [pid 1406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1410 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1410] set_robust_list(0x555593f8a6a0, 24 [pid 1409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1406] <... prctl resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1410] <... set_robust_list resumed>) = 0 [pid 1409] chdir("./111" [pid 1408] <... prctl resumed>) = 0 [pid 1406] setpgid(0, 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1410] rt_sigprocmask(SIG_SETMASK, [] [pid 1409] <... chdir resumed>) = 0 [pid 1408] setpgid(0, 0 [pid 1406] <... setpgid resumed>) = 0 [pid 1410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1408] <... setpgid resumed>) = 0 [pid 1406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1410] chdir("./110" [pid 1409] <... prctl resumed>) = 0 [pid 1408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1410] <... chdir resumed>) = 0 [pid 1409] setpgid(0, 0 [pid 1408] <... openat resumed>) = 3 [pid 1406] <... openat resumed>) = 3 [pid 1410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1409] <... setpgid resumed>) = 0 [pid 1408] write(3, "1000", 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 1410] <... prctl resumed>) = 0 [pid 1409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1408] <... write resumed>) = 4 [pid 1406] write(3, "1000", 4 [pid 1410] setpgid(0, 0 [pid 1409] <... openat resumed>) = 3 [pid 1408] close(3 [pid 1406] <... write resumed>) = 4 [pid 1410] <... setpgid resumed>) = 0 [pid 1409] write(3, "1000", 4 [pid 1408] <... close resumed>) = 0 [pid 1406] close(3 [pid 309] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1409] <... write resumed>) = 4 [pid 1408] symlink("/dev/binderfs", "./binderfs" [pid 1406] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1410] <... openat resumed>) = 3 [pid 1409] close(3 [pid 1408] <... symlink resumed>) = 0 [pid 1406] symlink("/dev/binderfs", "./binderfs" [pid 309] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1410] write(3, "1000", 4 [pid 1409] <... close resumed>) = 0 [pid 1408] write(1, "executing program\n", 18 [pid 1406] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1410] <... write resumed>) = 4 executing program [pid 1409] symlink("/dev/binderfs", "./binderfs" [pid 1408] <... write resumed>) = 18 [pid 1406] write(1, "executing program\n", 18 [pid 309] fstat(3 [pid 1410] close(3 [pid 1409] <... symlink resumed>) = 0 executing program [pid 1408] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1406] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1410] <... close resumed>) = 0 [pid 1409] write(1, "executing program\n", 18 executing program [pid 1410] symlink("/dev/binderfs", "./binderfs" [pid 1409] <... write resumed>) = 18 [pid 1408] <... socket resumed>) = 3 [pid 1406] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] getdents64(3 [pid 1410] <... symlink resumed>) = 0 [pid 1409] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1408] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1406] <... socket resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1410] write(1, "executing program\n", 18 [pid 1409] <... socket resumed>) = 3 executing program [pid 1408] <... socket resumed>) = 4 [pid 1406] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1410] <... write resumed>) = 18 [pid 1409] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1408] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1406] <... socket resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1410] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1409] <... socket resumed>) = 4 [pid 1408] <... connect resumed>) = -1 EEXIST (File exists) [pid 1406] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] newfstatat(AT_FDCWD, "./111/binderfs" [pid 1410] <... socket resumed>) = 3 [pid 1409] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1408] sendfile(-1, -1, [3 [pid 1406] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1410] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1409] <... connect resumed>) = -1 EEXIST (File exists) [pid 1408] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1406] sendfile(-1, -1, [3 [pid 309] unlink("./111/binderfs" [pid 1410] <... socket resumed>) = 4 [pid 1409] sendfile(-1, -1, [3 [pid 1408] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1406] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1410] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1409] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1408] <... clone3 resumed>) = 1411 [pid 1406] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] getdents64(3 [pid 1410] <... connect resumed>) = -1 EEXIST (File exists) [pid 1409] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1408] ioctl(3, PPPIOCSMRU, 0 [pid 1406] <... clone3 resumed>) = 1412 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1410] sendfile(-1, -1, [3 [pid 1409] <... clone3 resumed>) = 1413 [pid 1408] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1406] ioctl(3, PPPIOCSMRU, 0 [pid 309] close(3 [pid 1410] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1409] ioctl(3, PPPIOCSMRU, 0 [pid 1408] exit_group(0 [pid 1406] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... close resumed>) = 0 [pid 1410] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1409] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1408] <... exit_group resumed>) = ? [pid 1406] exit_group(0 [pid 309] rmdir("./111" [pid 1410] <... clone3 resumed>) = 1414 [pid 1409] exit_group(0 [pid 1408] +++ exited with 0 +++ [pid 1406] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 1410] ioctl(3, PPPIOCSMRU, 0 [pid 1409] <... exit_group resumed>) = ? [pid 1406] +++ exited with 0 +++ [pid 309] mkdir("./112", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1410] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1409] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1410] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1410] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1410] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1415 attached [pid 308] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1415] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1415 [pid 308] <... openat resumed>) = 3 [pid 1415] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 1415] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 1415] chdir("./112" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1415] <... chdir resumed>) = 0 [pid 308] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1415] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./105/binderfs" [pid 1415] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./105/binderfs" [pid 1415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... unlink resumed>) = 0 [pid 1415] write(3, "1000", 4 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1415] <... write resumed>) = 4 [pid 308] close(3 [pid 1415] close(3 [pid 308] <... close resumed>) = 0 [pid 1415] <... close resumed>) = 0 [pid 308] rmdir("./105" [pid 1415] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 1415] <... symlink resumed>) = 0 [pid 308] mkdir("./106", 0777 [pid 1415] write(1, "executing program\n", 18) = 18 [pid 1415] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1415] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 1415] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1415] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1415] sendfile(-1, -1, [3 executing program [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 1415] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1415] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1416 attached ) = 1417 [pid 1416] set_robust_list(0x555593f8a6a0, 24 [pid 1415] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1416 [pid 1416] <... set_robust_list resumed>) = 0 [pid 1415] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1416] rt_sigprocmask(SIG_SETMASK, [] [pid 1415] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1415] <... exit_group resumed>) = ? [pid 310] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1416] chdir("./106" [pid 1415] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1416] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 1416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 1416] <... prctl resumed>) = 0 [pid 310] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1416] setpgid(0, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 1416] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1416] <... openat resumed>) = 3 [pid 310] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1416] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] newfstatat(AT_FDCWD, "./110/binderfs" [pid 1416] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./110/binderfs" [pid 307] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1416] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./110/binderfs" [pid 1416] <... close resumed>) = 0 [pid 310] unlink("./110/binderfs" [pid 307] newfstatat(AT_FDCWD, "./111/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 1416] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 1416] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 307] unlink("./111/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1416] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 307] <... unlink resumed>) = 0 [pid 306] close(3 [pid 1416] <... write resumed>) = 18 [pid 310] close(3 [pid 309] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 1416] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./110" [pid 1416] <... socket resumed>) = 3 [pid 310] rmdir("./110" [pid 309] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 1416] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 310] mkdir("./111", 0777 [pid 309] fstat(3 [pid 307] rmdir("./111" [pid 306] mkdir("./111", 0777 [pid 1416] <... socket resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./112/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 307] mkdir("./112", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 1416] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1416] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./112" [pid 307] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./113", 0777 [pid 1416] sendfile(-1, -1, [3 [pid 309] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1418 attached [pid 1416] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1418 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1418] set_robust_list(0x555593f8a6a0, 24 [pid 1416] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1420 [pid 1416] <... clone3 resumed>) = 1422 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1420 attached [pid 1420] set_robust_list(0x555593f8a6a0, 24 [pid 1418] <... set_robust_list resumed>) = 0 [pid 1416] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1421 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1419 [pid 1418] rt_sigprocmask(SIG_SETMASK, [] [pid 1416] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1421 attached ci2-android-6-1/strace-static-x86_64: Process 1419 attached [pid 1420] <... set_robust_list resumed>) = 0 [pid 1418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1416] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1418] chdir("./111" [pid 1416] <... exit_group resumed>) = ? [pid 1421] set_robust_list(0x555593f8a6a0, 24 [pid 1420] rt_sigprocmask(SIG_SETMASK, [] [pid 1419] set_robust_list(0x555593f8a6a0, 24 [pid 1416] +++ exited with 0 +++ [pid 1418] <... chdir resumed>) = 0 [pid 1421] <... set_robust_list resumed>) = 0 [pid 1421] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1419] <... set_robust_list resumed>) = 0 [pid 1418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1418] setpgid(0, 0) = 0 [pid 1418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1418] write(3, "1000", 4) = 4 [pid 1418] close(3) = 0 [pid 1418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1418] write(1, "executing program\n", 18) = 18 [pid 1418] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1418] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 executing program [pid 1418] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1418] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1418] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1420] chdir("./113" [pid 1418] <... clone3 resumed>) = 1423 [pid 1418] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1418] exit_group(0) = ? [pid 1418] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1420] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1419] chdir("./111") = 0 [pid 1419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1419] setpgid(0, 0) = 0 [pid 1419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1419] write(3, "1000", 4) = 4 [pid 1419] close(3) = 0 [pid 1419] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1419] write(1, "executing program\n", 18) = 18 executing program [pid 1421] chdir("./112" [pid 1419] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1421] <... chdir resumed>) = 0 [pid 1419] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1419] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1419] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1419] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1420] <... prctl resumed>) = 0 [pid 1419] <... clone3 resumed>) = 1424 [pid 1421] <... prctl resumed>) = 0 [pid 1420] setpgid(0, 0 [pid 1419] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1419] exit_group(0) = ? [pid 1421] setpgid(0, 0 [pid 1420] <... setpgid resumed>) = 0 [pid 1419] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1421] <... setpgid resumed>) = 0 [pid 1421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1421] <... openat resumed>) = 3 [pid 1420] <... openat resumed>) = 3 [pid 1421] write(3, "1000", 4 [pid 1420] write(3, "1000", 4) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1420] close(3) = 0 [pid 1420] symlink("/dev/binderfs", "./binderfs" [pid 1421] <... write resumed>) = 4 [pid 1421] close(3) = 0 [pid 310] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1421] write(1, "executing program\n", 18 [pid 1420] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 executing program executing program [pid 1420] write(1, "executing program\n", 18) = 18 [pid 310] fstat(3 [pid 1421] <... write resumed>) = 18 [pid 1421] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1420] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] <... socket resumed>) = 3 [pid 1420] <... socket resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1420] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1421] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1420] <... socket resumed>) = 4 [pid 310] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 1421] <... socket resumed>) = 4 [pid 1420] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 1420] <... connect resumed>) = -1 EEXIST (File exists) [pid 1421] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] newfstatat(AT_FDCWD, "./111/binderfs" [pid 308] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1421] <... connect resumed>) = -1 EEXIST (File exists) [pid 1420] sendfile(-1, -1, [3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1421] sendfile(-1, -1, [3 [pid 1420] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./111/binderfs" [pid 306] getdents64(3 [pid 1421] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1420] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] getdents64(3 [pid 1421] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1420] <... clone3 resumed>) = 1425 [pid 310] getdents64(3 [pid 308] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1420] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1420] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1420] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1421] <... clone3 resumed>) = 1426 [pid 1420] <... exit_group resumed>) = ? [pid 310] rmdir("./111" [pid 308] newfstatat(AT_FDCWD, "./106/binderfs" [pid 306] newfstatat(AT_FDCWD, "./111/binderfs" [pid 1421] ioctl(3, PPPIOCSMRU, 0 [pid 1420] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1421] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] mkdir("./112", 0777 [pid 308] unlink("./106/binderfs" [pid 306] unlink("./111/binderfs" [pid 1421] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... mkdir resumed>) = 0 [pid 1421] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1421] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 1427 attached [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 1427] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1427 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1427] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./111" [pid 1427] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./106" [pid 306] <... rmdir resumed>) = 0 [pid 1427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] mkdir("./112", 0777 [pid 1427] chdir("./112" [pid 308] <... rmdir resumed>) = 0 [pid 309] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./107", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 1427] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1428 attached ci2-android-6-1/strace-static-x86_64: Process 1429 attached [pid 1427] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1429] set_robust_list(0x555593f8a6a0, 24 [pid 1428] set_robust_list(0x555593f8a6a0, 24 [pid 1427] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1429 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1428 [pid 1429] <... set_robust_list resumed>) = 0 [pid 1427] <... setpgid resumed>) = 0 [pid 309] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1429] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1428] <... set_robust_list resumed>) = 0 [pid 1427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./113/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1429] chdir("./107" [pid 1427] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1429] <... chdir resumed>) = 0 [pid 309] unlink("./113/binderfs" [pid 1429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1427] write(3, "1000", 4 [pid 309] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1429] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 1429] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1429] <... setpgid resumed>) = 0 [pid 309] close(3 [pid 1429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 1429] <... openat resumed>) = 3 [pid 309] rmdir("./113" [pid 1429] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 1429] <... write resumed>) = 4 [pid 309] mkdir("./114", 0777 [pid 1428] rt_sigprocmask(SIG_SETMASK, [] [pid 1427] <... write resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 1429] close(3 [pid 1427] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 1429] <... close resumed>) = 0 [pid 1427] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1429] symlink("/dev/binderfs", "./binderfs" [pid 1427] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1429] <... symlink resumed>) = 0 [pid 1428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1427] <... symlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 1428] chdir("./112" executing program [pid 1427] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 ci2-android-6-1/strace-static-x86_64: Process 1430 attached [pid 1429] write(1, "executing program\n", 18 [pid 1428] <... chdir resumed>) = 0 [pid 1427] <... write resumed>) = 18 executing program [pid 307] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1430] set_robust_list(0x555593f8a6a0, 24 [pid 1429] <... write resumed>) = 18 [pid 1428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1427] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1430 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1430] <... set_robust_list resumed>) = 0 [pid 1429] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1428] <... prctl resumed>) = 0 [pid 1427] <... socket resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./112/binderfs" [pid 1429] <... socket resumed>) = 3 [pid 1430] rt_sigprocmask(SIG_SETMASK, [] [pid 1428] setpgid(0, 0 [pid 1427] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1430] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1429] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1428] <... setpgid resumed>) = 0 [pid 1427] <... socket resumed>) = 4 [pid 307] unlink("./112/binderfs" [pid 1430] chdir("./114" [pid 1429] <... socket resumed>) = 4 [pid 1428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1427] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... unlink resumed>) = 0 [pid 1430] <... chdir resumed>) = 0 [pid 1429] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1428] <... openat resumed>) = 3 [pid 1427] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 1429] <... connect resumed>) = -1 EEXIST (File exists) [pid 1428] write(3, "1000", 4 [pid 1427] sendfile(-1, -1, [3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1429] sendfile(-1, -1, [3 [pid 1430] <... prctl resumed>) = 0 [pid 1429] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1430] setpgid(0, 0 [pid 1429] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1428] <... write resumed>) = 4 [pid 1427] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] close(3 [pid 1428] close(3 [pid 1427] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... close resumed>) = 0 [pid 1430] <... setpgid resumed>) = 0 [pid 1429] <... clone3 resumed>) = 1431 [pid 1428] <... close resumed>) = 0 [pid 1427] <... clone3 resumed>) = 1432 [pid 1430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1429] ioctl(3, PPPIOCSMRU, 0 [pid 1428] symlink("/dev/binderfs", "./binderfs" [pid 1427] ioctl(3, PPPIOCSMRU, 0 [pid 307] rmdir("./112" [pid 1430] <... openat resumed>) = 3 [pid 1429] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1428] <... symlink resumed>) = 0 [pid 1427] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... rmdir resumed>) = 0 [pid 1430] write(3, "1000", 4 [pid 1429] exit_group(0 [pid 1428] write(1, "executing program\n", 18 [pid 1427] exit_group(0 executing program [pid 307] mkdir("./113", 0777 [pid 1430] <... write resumed>) = 4 [pid 1429] <... exit_group resumed>) = ? [pid 1428] <... write resumed>) = 18 [pid 1427] <... exit_group resumed>) = ? [pid 1430] close(3 [pid 1429] +++ exited with 0 +++ [pid 1428] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1427] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 1430] <... close resumed>) = 0 [pid 1428] <... socket resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1430] symlink("/dev/binderfs", "./binderfs" [pid 1428] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1428] <... socket resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1430] <... symlink resumed>) = 0 [pid 1428] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 1433 attached [pid 1430] write(1, "executing program\n", 18 [pid 1428] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 308] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1433] set_robust_list(0x555593f8a6a0, 24 [pid 1430] <... write resumed>) = 18 [pid 1428] sendfile(-1, -1, [3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1433 [pid 1433] <... set_robust_list resumed>) = 0 [pid 1430] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1428] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1433] rt_sigprocmask(SIG_SETMASK, [] [pid 1430] <... socket resumed>) = 3 [pid 1428] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1433] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1430] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1428] <... clone3 resumed>) = 1434 [pid 308] fstat(3 [pid 1433] chdir("./113" [pid 1428] ioctl(3, PPPIOCSMRU, 0 [pid 1433] <... chdir resumed>) = 0 [pid 1428] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1428] exit_group(0 [pid 1433] <... prctl resumed>) = 0 [pid 1428] <... exit_group resumed>) = ? [pid 1433] setpgid(0, 0 [pid 1428] +++ exited with 0 +++ [pid 1433] <... setpgid resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1433] <... openat resumed>) = 3 [pid 1430] <... socket resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1433] write(3, "1000", 4) = 4 [pid 1430] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1433] close(3 [pid 308] getdents64(3 [pid 1433] <... close resumed>) = 0 [pid 1430] <... connect resumed>) = -1 EEXIST (File exists) [pid 1433] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1430] sendfile(-1, -1, [3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1433] write(1, "executing program\n", 18) = 18 [pid 1430] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1433] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 308] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1433] <... socket resumed>) = 3 [pid 1430] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1433] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1433] <... socket resumed>) = 4 [pid 1433] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1433] sendfile(-1, -1, [3 [pid 310] <... restart_syscall resumed>) = 0 [pid 1433] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1433] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1430] <... clone3 resumed>) = 1435 [pid 308] newfstatat(AT_FDCWD, "./107/binderfs" [pid 1433] <... clone3 resumed>) = 1436 [pid 1430] ioctl(3, PPPIOCSMRU, 0 [pid 310] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1433] ioctl(3, PPPIOCSMRU, 0 [pid 1430] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./107/binderfs" [pid 1433] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1430] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 1430] <... exit_group resumed>) = ? [pid 308] getdents64(3 [pid 1433] exit_group(0 [pid 1430] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1433] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(3 [pid 1433] +++ exited with 0 +++ [pid 310] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./107" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rmdir resumed>) = 0 [pid 310] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./108", 0777 [pid 310] newfstatat(AT_FDCWD, "./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./112/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./112") = 0 [pid 310] mkdir("./113", 0777ci2-android-6-1/strace-static-x86_64: Process 1437 attached ) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1437 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1437] set_robust_list(0x555593f8a6a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1438 attached [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1438] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1438 [pid 1438] <... set_robust_list resumed>) = 0 [pid 1437] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1438] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1438] chdir("./113" [pid 307] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 1438] <... chdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 1438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1438] <... prctl resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 1438] setpgid(0, 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1438] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1438] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1437] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./112/binderfs" [pid 1438] write(3, "1000", 4 [pid 307] newfstatat(AT_FDCWD, "./113/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1438] <... write resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./112/binderfs" [pid 1438] close(3 [pid 1437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./113/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 1438] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 1438] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1438] <... symlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 1438] write(1, "executing program\n", 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 1438] <... write resumed>) = 18 [pid 307] <... close resumed>) = 0 executing program [pid 306] rmdir("./112" [pid 1438] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] rmdir("./113" [pid 306] <... rmdir resumed>) = 0 [pid 1438] <... socket resumed>) = 3 [pid 309] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./113", 0777 [pid 1438] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./114", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 1438] <... socket resumed>) = 4 [pid 309] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1438] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1438] <... connect resumed>) = -1 EEXIST (File exists) [pid 1437] chdir("./108" [pid 309] fstat(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1438] sendfile(-1, -1, [3 [pid 1437] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1439 attached [pid 1438] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(3 [pid 1438] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1437] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1439 [pid 1439] set_robust_list(0x555593f8a6a0, 24ci2-android-6-1/strace-static-x86_64: Process 1440 attached [pid 1437] setpgid(0, 0 [pid 309] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1437] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./114/binderfs" [pid 1438] <... clone3 resumed>) = 1441 [pid 1437] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1440 [pid 1439] <... set_robust_list resumed>) = 0 [pid 1438] ioctl(3, PPPIOCSMRU, 0 [pid 1437] write(3, "1000", 4 [pid 309] unlink("./114/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1440] set_robust_list(0x555593f8a6a0, 24 [pid 1439] rt_sigprocmask(SIG_SETMASK, [] [pid 1438] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1437] <... write resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1440] <... set_robust_list resumed>) = 0 [pid 1439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1438] exit_group(0 [pid 1437] close(3 [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1439] chdir("./113" [pid 1438] <... exit_group resumed>) = ? [pid 1437] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1440] rt_sigprocmask(SIG_SETMASK, [] [pid 1439] <... chdir resumed>) = 0 [pid 1437] symlink("/dev/binderfs", "./binderfs" [pid 309] close(3 [pid 1437] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1437] write(1, "executing program\n", 18 [pid 1438] +++ exited with 0 +++ executing program [pid 309] rmdir("./114" [pid 1440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1437] <... write resumed>) = 18 [pid 309] <... rmdir resumed>) = 0 [pid 1440] chdir("./114" [pid 1439] <... prctl resumed>) = 0 [pid 1437] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./115", 0777 [pid 1440] <... chdir resumed>) = 0 [pid 1439] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1439] <... setpgid resumed>) = 0 [pid 1437] <... socket resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1440] <... prctl resumed>) = 0 [pid 1439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1437] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1440] setpgid(0, 0 [pid 1439] <... openat resumed>) = 3 [pid 1437] <... socket resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1440] <... setpgid resumed>) = 0 [pid 1439] write(3, "1000", 4 [pid 1437] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1439] <... write resumed>) = 4 [pid 1437] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1442 attached [pid 1440] <... openat resumed>) = 3 [pid 1437] sendfile(-1, -1, [3 [pid 1442] set_robust_list(0x555593f8a6a0, 24 [pid 1437] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1442 [pid 1442] <... set_robust_list resumed>) = 0 [pid 1437] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1442] rt_sigprocmask(SIG_SETMASK, [] [pid 1440] write(3, "1000", 4 [pid 1439] close(3 [pid 1437] <... clone3 resumed>) = 1443 [pid 310] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1440] <... write resumed>) = 4 [pid 1439] <... close resumed>) = 0 [pid 1437] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... openat resumed>) = 3 [pid 1442] chdir("./115" [pid 1440] close(3 [pid 1439] symlink("/dev/binderfs", "./binderfs" [pid 1437] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] fstat(3 [pid 1442] <... chdir resumed>) = 0 [pid 1440] <... close resumed>) = 0 [pid 1439] <... symlink resumed>) = 0 [pid 1437] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1440] symlink("/dev/binderfs", "./binderfs" [pid 1439] write(1, "executing program\n", 18 [pid 1437] <... exit_group resumed>) = ? [pid 1442] <... prctl resumed>) = 0 [pid 1437] +++ exited with 0 +++ [pid 1442] setpgid(0, 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1442] <... setpgid resumed>) = 0 [pid 1439] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1440] <... symlink resumed>) = 0 [pid 1439] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program executing program [pid 1440] write(1, "executing program\n", 18 [pid 1442] <... openat resumed>) = 3 [pid 1440] <... write resumed>) = 18 [pid 1439] <... socket resumed>) = 3 [pid 310] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1440] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1439] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1440] <... socket resumed>) = 3 [pid 1439] <... socket resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./113/binderfs" [pid 1440] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1442] write(3, "1000", 4) = 4 [pid 1442] close(3) = 0 [pid 1442] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1442] write(1, "executing program\n", 18) = 18 [pid 1442] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1442] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1439] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] unlink("./113/binderfs" [pid 1440] <... socket resumed>) = 4 [pid 1442] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1439] <... connect resumed>) = 0 [pid 1442] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1442] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1439] sendfile(-1, -1, [3 [pid 310] <... unlink resumed>) = 0 [pid 1440] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1439] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 executing program [pid 1440] <... connect resumed>) = -1 EEXIST (File exists) [pid 1439] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1440] sendfile(-1, -1, [3 [pid 1442] <... clone3 resumed>) = 1444 [pid 1439] <... clone3 resumed>) = 1445 [pid 1440] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1442] ioctl(3, PPPIOCSMRU, 0 [pid 1439] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... close resumed>) = 0 [pid 1440] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1439] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 310] rmdir("./113" [pid 1442] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1442] exit_group(0) = ? [pid 1442] +++ exited with 0 +++ [pid 1440] <... clone3 resumed>) = 1446 [pid 1439] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 1440] ioctl(3, PPPIOCSMRU, 0 [pid 310] mkdir("./114", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1440] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1439] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... mkdir resumed>) = 0 [pid 1440] exit_group(0 [pid 1439] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1440] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1447 [pid 308] fstat(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1447 attached , 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./108/binderfs" [pid 1440] +++ exited with 0 +++ [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] unlink("./108/binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1447] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 308] <... unlink resumed>) = 0 [pid 1447] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 1447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./108") = 0 [pid 308] mkdir("./109", 0777 [pid 1447] chdir("./114" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1447] <... chdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1448 ci2-android-6-1/strace-static-x86_64: Process 1448 attached [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./115/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./115") = 0 [pid 309] mkdir("./116", 0777 [pid 1448] set_robust_list(0x555593f8a6a0, 24 [pid 1447] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1448] <... set_robust_list resumed>) = 0 [pid 1447] setpgid(0, 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1447] <... setpgid resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1448] rt_sigprocmask(SIG_SETMASK, [] [pid 1447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1447] <... openat resumed>) = 3 [pid 1447] write(3, "1000", 4) = 4 [pid 1447] close(3) = 0 [pid 1447] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1447] write(1, "executing program\n", 18) = 18 [pid 1447] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1447] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1447] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1447] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1447] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1448] chdir("./109" [pid 1447] <... clone3 resumed>) = 1450 [pid 1447] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... restart_syscall resumed>) = 0 [pid 1448] <... chdir resumed>) = 0 [pid 1447] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1449 [pid 306] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1447] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1449 attached [pid 1448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1447] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3 [pid 1448] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1448] setpgid(0, 0 [pid 307] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./113/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1448] <... setpgid resumed>) = 0 [pid 310] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] unlink("./113/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... unlink resumed>) = 0 [pid 1448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./114/binderfs" [pid 306] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 307] unlink("./114/binderfs" [pid 306] rmdir("./113" [pid 1448] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1448] write(3, "1000", 4 [pid 310] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] mkdir("./114", 0777 [pid 1449] set_robust_list(0x555593f8a6a0, 24 [pid 1448] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1448] close(3 [pid 310] newfstatat(AT_FDCWD, "./114/binderfs" [pid 307] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 1448] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1448] symlink("/dev/binderfs", "./binderfs" [pid 310] unlink("./114/binderfs" [pid 307] rmdir("./114" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1449] <... set_robust_list resumed>) = 0 [pid 1448] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1449] rt_sigprocmask(SIG_SETMASK, [] [pid 1448] write(1, "executing program\n", 18 executing program [pid 310] getdents64(3 [pid 307] mkdir("./115", 0777ci2-android-6-1/strace-static-x86_64: Process 1451 attached [pid 1449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1448] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1451] set_robust_list(0x555593f8a6a0, 24 [pid 1448] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1451 [pid 1451] <... set_robust_list resumed>) = 0 [pid 1448] <... socket resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1449] chdir("./116" [pid 1448] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] rmdir("./114" [pid 1451] rt_sigprocmask(SIG_SETMASK, [] [pid 1449] <... chdir resumed>) = 0 [pid 1448] <... socket resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1448] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] mkdir("./115", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1448] <... connect resumed>) = -1 EEXIST (File exists) [pid 1448] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1448] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1452 [pid 310] <... mkdir resumed>) = 0 [pid 1448] ioctl(3, PPPIOCSMRU, 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1453 [pid 1448] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1451] chdir("./114" [pid 1448] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1453 attached [pid 1449] <... prctl resumed>) = 0 [pid 1448] <... exit_group resumed>) = ? [pid 1453] set_robust_list(0x555593f8a6a0, 24 [pid 1451] <... chdir resumed>) = 0 [pid 1449] setpgid(0, 0 [pid 1448] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1454 attached [pid 1453] <... set_robust_list resumed>) = 0 [pid 1453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1454] set_robust_list(0x555593f8a6a0, 24 [pid 1451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1449] <... setpgid resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1454 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1453] chdir("./115" [pid 1454] <... set_robust_list resumed>) = 0 [pid 1451] <... prctl resumed>) = 0 [pid 1449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1453] <... chdir resumed>) = 0 [pid 1453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1453] setpgid(0, 0) = 0 [pid 1451] setpgid(0, 0 [pid 1453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1449] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1453] <... openat resumed>) = 3 [pid 1453] write(3, "1000", 4) = 4 [pid 1453] close(3) = 0 [pid 1453] symlink("/dev/binderfs", "./binderfs" [pid 1454] rt_sigprocmask(SIG_SETMASK, [] [pid 1451] <... setpgid resumed>) = 0 [pid 1449] write(3, "1000", 4 [pid 1454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1449] <... write resumed>) = 4 [pid 1453] <... symlink resumed>) = 0 [pid 1453] write(1, "executing program\n", 18) = 18 executing program [pid 1453] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1453] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1453] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1451] <... openat resumed>) = 3 [pid 1449] close(3 [pid 1453] <... connect resumed>) = -1 EEXIST (File exists) [pid 1453] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1453] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1455 [pid 1449] <... close resumed>) = 0 [pid 1453] ioctl(3, PPPIOCSMRU, 0 [pid 1451] write(3, "1000", 4 [pid 1453] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1449] symlink("/dev/binderfs", "./binderfs" [pid 1454] chdir("./115" [pid 1453] exit_group(0 [pid 1451] <... write resumed>) = 4 [pid 1449] <... symlink resumed>) = 0 [pid 1454] <... chdir resumed>) = 0 [pid 1453] <... exit_group resumed>) = ? [pid 1454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1451] close(3 executing program [pid 1449] write(1, "executing program\n", 18 [pid 1454] <... prctl resumed>) = 0 [pid 1453] +++ exited with 0 +++ [pid 1451] <... close resumed>) = 0 [pid 1449] <... write resumed>) = 18 [pid 1454] setpgid(0, 0 [pid 1451] symlink("/dev/binderfs", "./binderfs" [pid 1449] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1454] <... setpgid resumed>) = 0 [pid 1451] <... symlink resumed>) = 0 [pid 1449] <... socket resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1451] write(1, "executing program\n", 18 executing program [pid 1449] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1451] <... write resumed>) = 18 [pid 1449] <... socket resumed>) = 4 [pid 1454] <... openat resumed>) = 3 [pid 1451] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1454] write(3, "1000", 4 [pid 1449] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] <... write resumed>) = 4 [pid 1454] close(3) = 0 [pid 1454] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1454] write(1, "executing program\n", 18) = 18 [pid 1454] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1454] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 executing program [pid 1451] <... socket resumed>) = 3 [pid 1449] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1454] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1454] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1451] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1449] sendfile(-1, -1, [3 [pid 308] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 1451] <... socket resumed>) = 4 [pid 1449] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... openat resumed>) = 3 [pid 1454] <... clone3 resumed>) = 1456 [pid 1454] ioctl(3, PPPIOCSMRU, 0 [pid 1451] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1449] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] fstat(3 [pid 1454] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1451] <... connect resumed>) = -1 EEXIST (File exists) [pid 1454] exit_group(0) = ? [pid 1454] +++ exited with 0 +++ [pid 1451] sendfile(-1, -1, [3 [pid 1449] <... clone3 resumed>) = 1457 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1451] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1449] ioctl(3, PPPIOCSMRU, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1451] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1449] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1451] <... clone3 resumed>) = 1458 [pid 1449] exit_group(0 [pid 308] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1451] ioctl(3, PPPIOCSMRU, 0 [pid 1449] <... exit_group resumed>) = ? [pid 310] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 1451] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1449] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1451] exit_group(0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./109/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1451] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 308] unlink("./109/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1451] +++ exited with 0 +++ [pid 310] fstat(3 [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] close(3 [pid 307] newfstatat(AT_FDCWD, "./115/binderfs" [pid 310] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./109" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./115/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] mkdir("./110", 0777 [pid 307] unlink("./115/binderfs" [pid 310] unlink("./115/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 310] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 1459 attached [pid 310] <... close resumed>) = 0 [pid 307] close(3 [pid 306] <... openat resumed>) = 3 [pid 1459] set_robust_list(0x555593f8a6a0, 24 [pid 310] rmdir("./115" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1459 [pid 307] <... close resumed>) = 0 [pid 1459] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./115" [pid 306] fstat(3 [pid 1459] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./116", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./116", 0777 [pid 306] getdents64(3 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./114/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1460 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1461 [pid 306] unlink("./114/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1461 attached ci2-android-6-1/strace-static-x86_64: Process 1460 attached [pid 1459] chdir("./110" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 1461] set_robust_list(0x555593f8a6a0, 24 [pid 1459] <... chdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 1461] <... set_robust_list resumed>) = 0 [pid 1459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1460] set_robust_list(0x555593f8a6a0, 24 [pid 1459] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1460] <... set_robust_list resumed>) = 0 [pid 1459] setpgid(0, 0 [pid 1460] rt_sigprocmask(SIG_SETMASK, [] [pid 1459] <... setpgid resumed>) = 0 [pid 1461] rt_sigprocmask(SIG_SETMASK, [] [pid 1459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 3 [pid 306] close(3 [pid 1461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 306] <... close resumed>) = 0 [pid 1461] chdir("./116" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./114" [pid 1461] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 1461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] mkdir("./115", 0777 [pid 1461] <... prctl resumed>) = 0 [pid 1459] <... openat resumed>) = 3 [pid 309] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 1461] setpgid(0, 0 [pid 1460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1459] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1460] chdir("./116" [pid 1459] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./116/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1460] <... chdir resumed>) = 0 [pid 1459] close(3 [pid 1460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1459] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1460] <... prctl resumed>) = 0 [pid 1459] symlink("/dev/binderfs", "./binderfs" [pid 309] unlink("./116/binderfs" [pid 1460] setpgid(0, 0 [pid 1459] <... symlink resumed>) = 0 [pid 1460] <... setpgid resumed>) = 0 [pid 1459] write(1, "executing program\n", 18 [pid 1460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1459] <... write resumed>) = 18 [pid 1460] <... openat resumed>) = 3 executing program [pid 1459] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... unlink resumed>) = 0 [pid 1460] write(3, "1000", 4 [pid 1459] <... socket resumed>) = 3 [pid 309] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1462 [pid 1461] <... setpgid resumed>) = 0 [pid 1460] <... write resumed>) = 4 [pid 1459] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1460] close(3 [pid 1459] <... socket resumed>) = 4 [pid 309] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1460] <... close resumed>) = 0 [pid 1459] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1460] symlink("/dev/binderfs", "./binderfs" [pid 1459] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1462 attached [pid 1461] <... openat resumed>) = 3 [pid 1460] <... symlink resumed>) = 0 [pid 1459] sendfile(-1, -1, [3 [pid 309] rmdir("./116" [pid 1462] set_robust_list(0x555593f8a6a0, 24 [pid 1461] write(3, "1000", 4 [pid 1460] write(1, "executing program\n", 18 [pid 1459] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 309] <... rmdir resumed>) = 0 [pid 1462] <... set_robust_list resumed>) = 0 [pid 1461] <... write resumed>) = 4 [pid 1460] <... write resumed>) = 18 [pid 1459] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] mkdir("./117", 0777 [pid 1462] rt_sigprocmask(SIG_SETMASK, [] [pid 1461] close(3 [pid 1460] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... mkdir resumed>) = 0 [pid 1462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1461] <... close resumed>) = 0 [pid 1459] <... clone3 resumed>) = 1463 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1462] chdir("./115" [pid 1461] symlink("/dev/binderfs", "./binderfs" [pid 1460] <... socket resumed>) = 3 [pid 1459] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1462] <... chdir resumed>) = 0 [pid 1461] <... symlink resumed>) = 0 [pid 1460] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1459] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1462] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1461] write(1, "executing program\n", 18 [pid 1460] <... socket resumed>) = 4 [pid 1459] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 1464 attached [pid 1462] <... prctl resumed>) = 0 [pid 1461] <... write resumed>) = 18 [pid 1459] <... exit_group resumed>) = ? [pid 1464] set_robust_list(0x555593f8a6a0, 24 [pid 1462] setpgid(0, 0 [pid 1461] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1460] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1464 [pid 1464] <... set_robust_list resumed>) = 0 [pid 1462] <... setpgid resumed>) = 0 [pid 1461] <... socket resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1464] rt_sigprocmask(SIG_SETMASK, [] [pid 1462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1461] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1460] <... connect resumed>) = -1 EEXIST (File exists) [pid 1459] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1462] <... openat resumed>) = 3 [pid 1461] <... socket resumed>) = 4 [pid 1460] sendfile(-1, -1, [3 [pid 1464] chdir("./117" [pid 1462] write(3, "1000", 4 [pid 1460] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1461] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1464] <... chdir resumed>) = 0 [pid 1462] <... write resumed>) = 4 [pid 1461] <... connect resumed>) = -1 EEXIST (File exists) [pid 1460] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1462] close(3 [pid 1461] sendfile(-1, -1, [3 [pid 1464] <... prctl resumed>) = 0 [pid 1462] <... close resumed>) = 0 [pid 1461] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1464] setpgid(0, 0 [pid 1462] symlink("/dev/binderfs", "./binderfs" [pid 1461] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1464] <... setpgid resumed>) = 0 [pid 1462] <... symlink resumed>) = 0 [pid 1460] <... clone3 resumed>) = 1465 [pid 1464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1462] write(1, "executing program\n", 18 [pid 1461] <... clone3 resumed>) = 1466 executing program [pid 1460] ioctl(3, PPPIOCSMRU, 0 [pid 1464] <... openat resumed>) = 3 [pid 1462] <... write resumed>) = 18 [pid 1461] ioctl(3, PPPIOCSMRU, 0 [pid 1460] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1464] write(3, "1000", 4 [pid 1462] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1461] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1464] <... write resumed>) = 4 [pid 1462] <... socket resumed>) = 3 [pid 1461] exit_group(0 [pid 1460] exit_group(0 [pid 1464] close(3 [pid 1462] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1461] <... exit_group resumed>) = ? [pid 1460] <... exit_group resumed>) = ? [pid 1464] <... close resumed>) = 0 [pid 1462] <... socket resumed>) = 4 [pid 1461] +++ exited with 0 +++ [pid 1460] +++ exited with 0 +++ [pid 1464] symlink("/dev/binderfs", "./binderfs" [pid 1462] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1464] <... symlink resumed>) = 0 [pid 1462] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1464] write(1, "executing program\n", 18 [pid 1462] sendfile(-1, -1, [3 executing program [pid 1464] <... write resumed>) = 18 [pid 1462] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1464] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1462] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1464] <... socket resumed>) = 3 [pid 1464] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1464] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1462] <... clone3 resumed>) = 1467 [pid 1464] <... connect resumed>) = -1 EEXIST (File exists) [pid 1462] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1464] sendfile(-1, -1, [3 [pid 1462] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1464] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1462] exit_group(0 [pid 1464] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1462] <... exit_group resumed>) = ? [pid 1462] +++ exited with 0 +++ [pid 1464] <... clone3 resumed>) = 1468 [pid 308] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1464] ioctl(3, PPPIOCSMRU, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1464] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1464] exit_group(0) = ? [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 1464] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./110/binderfs" [pid 309] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 309] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] close(3 [pid 309] fstat(3 [pid 308] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./110" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 310] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] mkdir("./111", 0777 [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 310] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./117/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./116/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./117/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./116/binderfs" [pid 307] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] fstat(3 [pid 310] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 310] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 307] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./116" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1469 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./116/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./117", 0777 [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 1469 attached [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./117" [pid 307] unlink("./116/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./118", 0777 [pid 307] <... unlink resumed>) = 0 [pid 1469] set_robust_list(0x555593f8a6a0, 24 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1470 attached [pid 1469] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 1471 attached [pid 1471] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1471 [pid 1471] <... set_robust_list resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1470 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1471] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 1471] chdir("./118" [pid 307] rmdir("./116" [pid 1471] <... chdir resumed>) = 0 [pid 1471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./117", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1471] setpgid(0, 0) = 0 [pid 1471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... mkdir resumed>) = 0 [pid 1471] write(3, "1000", 4) = 4 [pid 1471] close(3) = 0 [pid 1471] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1471] write(1, "executing program\n", 18) = 18 [pid 1471] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1471] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1471] <... socket resumed>) = 4 [pid 1471] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1471] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 306] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1472 [pid 1471] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 306] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1472 attached [pid 1470] set_robust_list(0x555593f8a6a0, 24 [pid 1469] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1472] set_robust_list(0x555593f8a6a0, 24 [pid 1471] <... clone3 resumed>) = 1473 [pid 1470] <... set_robust_list resumed>) = 0 [pid 1469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./115/binderfs" [pid 1472] <... set_robust_list resumed>) = 0 [pid 1471] ioctl(3, PPPIOCSMRU, 0 [pid 1470] rt_sigprocmask(SIG_SETMASK, [] [pid 1469] chdir("./111" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1472] rt_sigprocmask(SIG_SETMASK, [] [pid 1471] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] unlink("./115/binderfs" [pid 1472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1471] exit_group(0 [pid 1470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1469] <... chdir resumed>) = 0 [pid 1471] <... exit_group resumed>) = ? [pid 306] <... unlink resumed>) = 0 [pid 1472] chdir("./117" [pid 1470] chdir("./117" [pid 1469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(3 [pid 1472] <... chdir resumed>) = 0 [pid 1471] +++ exited with 0 +++ [pid 1470] <... chdir resumed>) = 0 [pid 1469] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1469] setpgid(0, 0 [pid 1470] <... prctl resumed>) = 0 [pid 1469] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... close resumed>) = 0 [pid 1470] setpgid(0, 0 [pid 1472] <... prctl resumed>) = 0 [pid 1472] setpgid(0, 0 [pid 1470] <... setpgid resumed>) = 0 [pid 1469] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./115" [pid 1472] <... setpgid resumed>) = 0 [pid 1469] write(3, "1000", 4 [pid 1472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1469] <... write resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 1472] <... openat resumed>) = 3 [pid 1470] <... openat resumed>) = 3 [pid 1469] close(3 [pid 309] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./116", 0777 [pid 1472] write(3, "1000", 4 [pid 1470] write(3, "1000", 4 [pid 1469] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1472] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1472] close(3 [pid 309] <... openat resumed>) = 3 [pid 1472] <... close resumed>) = 0 [pid 309] fstat(3 [pid 1472] symlink("/dev/binderfs", "./binderfs" [pid 1469] symlink("/dev/binderfs", "./binderfs" [pid 1470] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1472] <... symlink resumed>) = 0 [pid 1470] close(3 [pid 1469] <... symlink resumed>) = 0 [pid 309] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1472] write(1, "executing program\n", 18 [pid 1470] <... close resumed>) = 0 [pid 1469] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program executing program [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1472] <... write resumed>) = 18 [pid 1470] symlink("/dev/binderfs", "./binderfs" [pid 1469] <... write resumed>) = 18 [pid 309] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1472] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1469] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1472] <... socket resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./118/binderfs" [pid 1472] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1472] <... socket resumed>) = 4 [pid 309] unlink("./118/binderfs" [pid 1472] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1470] <... symlink resumed>) = 0 [pid 1469] <... socket resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1474 [pid 1472] <... connect resumed>) = -1 EEXIST (File exists) [pid 1470] write(1, "executing program\n", 18 [pid 1469] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1472] sendfile(-1, -1, [3 [pid 1470] <... write resumed>) = 18 [pid 1469] <... socket resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1472] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1469] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] close(3 [pid 1472] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1470] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1469] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1474 attached [pid 1470] <... socket resumed>) = 3 [pid 1469] sendfile(-1, -1, [3 [pid 309] rmdir("./118" [pid 1474] set_robust_list(0x555593f8a6a0, 24 [pid 1472] <... clone3 resumed>) = 1475 [pid 1470] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1469] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1472] ioctl(3, PPPIOCSMRU, 0 [pid 1470] <... socket resumed>) = 4 [pid 1469] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] mkdir("./119", 0777 [pid 1472] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1470] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... mkdir resumed>) = 0 [pid 1472] exit_group(0 [pid 1470] <... connect resumed>) = -1 EEXIST (File exists) [pid 1469] <... clone3 resumed>) = 1476 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1474] <... set_robust_list resumed>) = 0 [pid 1472] <... exit_group resumed>) = ? [pid 1470] sendfile(-1, -1, [3 [pid 1469] ioctl(3, PPPIOCSMRU, 0 [pid 1474] rt_sigprocmask(SIG_SETMASK, [] [pid 1472] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1470] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1469] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1477 attached [pid 1470] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1477] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1477 [pid 1477] <... set_robust_list resumed>) = 0 [pid 1469] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1477] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1477] chdir("./119") = 0 [pid 1470] <... clone3 resumed>) = 1478 [pid 1469] <... exit_group resumed>) = ? [pid 1477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1470] ioctl(3, PPPIOCSMRU, 0 [pid 1477] <... prctl resumed>) = 0 [pid 1477] setpgid(0, 0) = 0 [pid 1477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1477] write(3, "1000", 4 [pid 1469] +++ exited with 0 +++ [pid 1477] <... write resumed>) = 4 [pid 1470] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1477] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1477] <... close resumed>) = 0 [pid 1470] exit_group(0 [pid 308] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1477] symlink("/dev/binderfs", "./binderfs" [pid 1474] chdir("./116" [pid 1470] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1477] <... symlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1477] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 3 [pid 1477] <... write resumed>) = 18 [pid 308] fstat(3 [pid 1477] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1470] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 1477] <... socket resumed>) = 3 [pid 1474] <... chdir resumed>) = 0 [pid 308] getdents64(3 [pid 1477] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1477] <... socket resumed>) = 4 [pid 1474] <... prctl resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1477] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1474] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1477] <... connect resumed>) = -1 EEXIST (File exists) [pid 1474] <... setpgid resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./111/binderfs" [pid 1477] sendfile(-1, -1, [3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1477] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./111/binderfs" [pid 1477] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1474] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 1474] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 1477] <... clone3 resumed>) = 1479 [pid 1474] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 1477] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 1477] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1474] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 1477] exit_group(0 [pid 1474] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 1477] <... exit_group resumed>) = ? [pid 1474] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./111" [pid 1474] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1477] +++ exited with 0 +++ [pid 1474] write(1, "executing program\n", 18 [pid 310] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 executing program [pid 1474] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./112", 0777 [pid 1474] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] newfstatat(AT_FDCWD, "./117/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1474] <... socket resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1474] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] unlink("./117/binderfs" [pid 1474] <... socket resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 1474] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1474] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1474] sendfile(-1, -1, [3 [pid 310] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1474] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1474] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rmdir("./117" [pid 1474] <... clone3 resumed>) = 1481 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1480 ci2-android-6-1/strace-static-x86_64: Process 1480 attached [pid 1474] ioctl(3, PPPIOCSMRU, 0 [pid 310] mkdir("./118", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1480] set_robust_list(0x555593f8a6a0, 24 [pid 1474] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1480] <... set_robust_list resumed>) = 0 [pid 1474] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1480] rt_sigprocmask(SIG_SETMASK, [] [pid 1474] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1474] +++ exited with 0 +++ [pid 1480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1480] chdir("./112" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1482 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1480] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1480] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./119/binderfs" [pid 1480] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./119/binderfs" [pid 1480] <... setpgid resumed>) = 0 [pid 307] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 1482 attached [pid 1480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 1482] set_robust_list(0x555593f8a6a0, 24 [pid 1480] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 307] fstat(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1480] write(3, "1000", 4 [pid 309] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 1480] <... write resumed>) = 4 [pid 309] rmdir("./119" [pid 307] getdents64(3 [pid 1482] <... set_robust_list resumed>) = 0 [pid 1480] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1482] rt_sigprocmask(SIG_SETMASK, [] [pid 1480] <... close resumed>) = 0 [pid 307] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1480] symlink("/dev/binderfs", "./binderfs" [pid 309] mkdir("./120", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1482] chdir("./118" [pid 1480] <... symlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./117/binderfs" [pid 1482] <... chdir resumed>) = 0 [pid 1480] write(1, "executing program\n", 18 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1480] <... write resumed>) = 18 executing program [pid 309] <... mkdir resumed>) = 0 [pid 307] unlink("./117/binderfs" [pid 1482] <... prctl resumed>) = 0 [pid 1480] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 1482] setpgid(0, 0 [pid 1480] <... socket resumed>) = 3 [pid 307] getdents64(3 [pid 1482] <... setpgid resumed>) = 0 [pid 1480] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1480] <... socket resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1482] <... openat resumed>) = 3 [pid 1480] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... close resumed>) = 0 [pid 1482] write(3, "1000", 4 [pid 1480] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./117" [pid 1482] <... write resumed>) = 4 [pid 1480] sendfile(-1, -1, [3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1483 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] close(3 [pid 1480] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./118", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1483 attached [pid 1482] <... close resumed>) = 0 [pid 1480] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1483] set_robust_list(0x555593f8a6a0, 24 [pid 1482] symlink("/dev/binderfs", "./binderfs" [pid 1480] <... clone3 resumed>) = 1484 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 1483] <... set_robust_list resumed>) = 0 [pid 1482] <... symlink resumed>) = 0 [pid 1480] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(3 [pid 1482] write(1, "executing program\n", 18 [pid 1480] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1483] rt_sigprocmask(SIG_SETMASK, [] [pid 1482] <... write resumed>) = 18 [pid 1480] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 1485 attached [pid 1483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1482] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1480] <... exit_group resumed>) = ? [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1485 [pid 306] getdents64(3 [pid 1485] set_robust_list(0x555593f8a6a0, 24 [pid 1483] chdir("./120" [pid 1482] <... socket resumed>) = 3 [pid 1483] <... chdir resumed>) = 0 [pid 1480] +++ exited with 0 +++ [pid 1485] <... set_robust_list resumed>) = 0 [pid 1482] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1485] rt_sigprocmask(SIG_SETMASK, [] [pid 1483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1482] <... socket resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1482] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] chdir("./118" [pid 1483] <... prctl resumed>) = 0 [pid 1482] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] newfstatat(AT_FDCWD, "./116/binderfs" [pid 1485] <... chdir resumed>) = 0 [pid 1482] sendfile(-1, -1, [3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1482] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] unlink("./116/binderfs" [pid 1485] <... prctl resumed>) = 0 [pid 1483] setpgid(0, 0 [pid 1482] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... unlink resumed>) = 0 [pid 1483] <... setpgid resumed>) = 0 [pid 1483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1482] <... clone3 resumed>) = 1486 [pid 1483] <... openat resumed>) = 3 [pid 1483] write(3, "1000", 4) = 4 [pid 1483] close(3) = 0 [pid 1483] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1482] ioctl(3, PPPIOCSMRU, 0 [pid 1485] setpgid(0, 0 [pid 306] getdents64(3 [pid 1485] <... setpgid resumed>) = 0 [pid 1482] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 1485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1483] write(1, "executing program\n", 18 [pid 1482] exit_group(0 [pid 306] close(3 [pid 1482] <... exit_group resumed>) = ? [pid 1483] <... write resumed>) = 18 [pid 306] <... close resumed>) = 0 [pid 1483] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1483] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1483] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1483] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1482] +++ exited with 0 +++ [pid 1483] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1485] <... openat resumed>) = 3 [pid 306] rmdir("./116" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1485] write(3, "1000", 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 1485] <... write resumed>) = 4 [pid 306] mkdir("./117", 0777 [pid 1485] close(3 [pid 1483] <... clone3 resumed>) = 1487 [pid 1483] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1485] <... close resumed>) = 0 [pid 1483] exit_group(0 [pid 306] <... mkdir resumed>) = 0 [pid 1485] symlink("/dev/binderfs", "./binderfs" [pid 1483] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1485] <... symlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 1485] write(1, "executing program\n", 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1485] <... write resumed>) = 18 [pid 1483] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1485] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1488 [pid 1485] <... socket resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1485] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1485] <... socket resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1485] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] sendfile(-1, -1, [3 [pid 309] newfstatat(AT_FDCWD, "./120/binderfs" [pid 1485] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1485] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] unlink("./120/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1485] <... clone3 resumed>) = 1489 [pid 309] rmdir("./120" [pid 1485] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] mkdir("./121", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1488 attached [pid 1485] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] fstat(3 [pid 1485] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1485] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1490 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./112/binderfs" [pid 310] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 308] unlink("./112/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1490 attached [pid 1488] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1490] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... unlink resumed>) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 1488] <... set_robust_list resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 308] rmdir("./112" [pid 307] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1488] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./113", 0777 [pid 307] <... openat resumed>) = 3 [pid 1490] <... set_robust_list resumed>) = 0 [pid 1488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] rt_sigprocmask(SIG_SETMASK, [] [pid 1488] chdir("./117" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 1490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1488] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./118/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 1488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1490] chdir("./121" [pid 1488] <... prctl resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 1491 attached [pid 1490] <... chdir resumed>) = 0 [pid 1488] setpgid(0, 0 [pid 310] unlink("./118/binderfs" [pid 307] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1491] set_robust_list(0x555593f8a6a0, 24 [pid 1488] <... setpgid resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1491 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1491] <... set_robust_list resumed>) = 0 [pid 1488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./118/binderfs" [pid 1491] rt_sigprocmask(SIG_SETMASK, [] [pid 1488] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1491] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1488] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] unlink("./118/binderfs" [pid 1491] chdir("./113" [pid 1490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1488] <... write resumed>) = 4 [pid 310] close(3 [pid 1491] <... chdir resumed>) = 0 [pid 1488] close(3 [pid 307] <... unlink resumed>) = 0 [pid 1491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1488] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 1491] <... prctl resumed>) = 0 [pid 1488] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./118" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1491] setpgid(0, 0 [pid 307] close(3 [pid 1491] <... setpgid resumed>) = 0 [pid 1488] <... symlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 1491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1488] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 executing program [pid 307] rmdir("./118" [pid 1490] <... prctl resumed>) = 0 [pid 1488] <... write resumed>) = 18 [pid 310] mkdir("./119", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 1491] <... openat resumed>) = 3 [pid 1490] setpgid(0, 0 [pid 1488] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] mkdir("./119", 0777 [pid 1491] write(3, "1000", 4 [pid 1488] <... socket resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1491] <... write resumed>) = 4 [pid 1488] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1491] close(3 [pid 1490] <... setpgid resumed>) = 0 [pid 1488] <... socket resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1491] <... close resumed>) = 0 [pid 1488] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1491] symlink("/dev/binderfs", "./binderfs" [pid 1488] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1491] <... symlink resumed>) = 0 [pid 1491] write(1, "executing program\n", 18) = 18 [pid 1491] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1491] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1491] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1491] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1488] sendfile(-1, -1, [3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1492 [pid 1488] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1493 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1488] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1491] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1495 [pid 1488] <... clone3 resumed>) = 1494 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1491] ioctl(3, PPPIOCSMRU, 0 [pid 1488] ioctl(3, PPPIOCSMRU, 0 [pid 1491] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1488] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1491] exit_group(0 [pid 1488] exit_group(0 [pid 1491] <... exit_group resumed>) = ? [pid 1488] <... exit_group resumed>) = ? [pid 1491] +++ exited with 0 +++ [pid 1488] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1492 attached [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1492] set_robust_list(0x555593f8a6a0, 24 [pid 1490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1492] <... set_robust_list resumed>) = 0 [pid 1492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1492] chdir("./119" [pid 1490] <... openat resumed>) = 3 [pid 1492] <... chdir resumed>) = 0 [pid 1490] write(3, "1000", 4 [pid 1492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1492] setpgid(0, 0) = 0 ci2-android-6-1/strace-static-x86_64: Process 1493 attached [pid 1492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1490] <... write resumed>) = 4 [pid 1492] <... openat resumed>) = 3 [pid 1490] close(3 [pid 1493] set_robust_list(0x555593f8a6a0, 24 [pid 1492] write(3, "1000", 4 [pid 1493] <... set_robust_list resumed>) = 0 [pid 1490] <... close resumed>) = 0 [pid 1492] <... write resumed>) = 4 [pid 1492] close(3) = 0 [pid 1492] symlink("/dev/binderfs", "./binderfs" [pid 1490] symlink("/dev/binderfs", "./binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 1493] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1490] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 3 executing program [pid 1492] <... symlink resumed>) = 0 [pid 1493] chdir("./119" [pid 1490] <... write resumed>) = 18 [pid 308] fstat(3 [pid 1493] <... chdir resumed>) = 0 [pid 1490] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1490] <... socket resumed>) = 3 [pid 1493] <... prctl resumed>) = 0 [pid 1490] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1493] setpgid(0, 0 [pid 1490] <... socket resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 1493] <... setpgid resumed>) = 0 [pid 1490] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1493] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1493] <... write resumed>) = 4 [pid 306] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1493] close(3 [pid 306] <... openat resumed>) = 3 [pid 1493] <... close resumed>) = 0 [pid 306] fstat(3 [pid 1493] symlink("/dev/binderfs", "./binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1493] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1493] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 1493] <... write resumed>) = 18 [pid 306] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1493] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1493] <... socket resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./117/binderfs" [pid 1493] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1493] <... socket resumed>) = 4 [pid 306] unlink("./117/binderfs" [pid 1493] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... unlink resumed>) = 0 [pid 1493] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 1493] sendfile(-1, -1, [3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1493] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] close(3 [pid 1493] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... close resumed>) = 0 [pid 1493] <... clone3 resumed>) = 1496 [pid 306] rmdir("./117" [pid 1493] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... rmdir resumed>) = 0 [pid 1493] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] mkdir("./118", 0777 [pid 1493] exit_group(0 [pid 306] <... mkdir resumed>) = 0 [pid 1493] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1493] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1497 [pid 308] newfstatat(AT_FDCWD, "./113/binderfs" [pid 307] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./113/binderfs" [pid 307] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 307] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] rmdir("./113" [pid 307] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./114", 0777 [pid 307] newfstatat(AT_FDCWD, "./119/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1497 attached [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1497] set_robust_list(0x555593f8a6a0, 24 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./119/binderfs" [pid 1497] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1497] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 1497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1497] chdir("./118" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1498 [pid 307] close(3 [pid 1497] <... chdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 1497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./119" [pid 1497] <... prctl resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1497] setpgid(0, 0 [pid 307] mkdir("./120", 0777 [pid 1497] <... setpgid resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [ 33.162383][ T1445] ------------[ cut here ]------------ [ 33.168244][ T1445] WARNING: CPU: 0 PID: 1445 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 33.178525][ T1445] Modules linked in: [ 33.182616][ T1445] CPU: 0 PID: 1445 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 33.192085][ T1445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 33.202257][ T1445] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 1497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1497] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1497] write(3, "1000", 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1497] <... write resumed>) = 4 [pid 1497] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1499 ci2-android-6-1/strace-static-x86_64: Process 1498 attached [pid 1497] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1498] set_robust_list(0x555593f8a6a0, 24 [pid 1497] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1498] <... set_robust_list resumed>) = 0 [pid 1497] <... symlink resumed>) = 0 [pid 1498] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1497] write(1, "executing program\n", 18ci2-android-6-1/strace-static-x86_64: Process 1499 attached [pid 1498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1497] <... write resumed>) = 18 [pid 1499] set_robust_list(0x555593f8a6a0, 24 [pid 1498] chdir("./114" [pid 1497] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1499] <... set_robust_list resumed>) = 0 [pid 1498] <... chdir resumed>) = 0 [pid 1497] <... socket resumed>) = 3 [pid 1499] rt_sigprocmask(SIG_SETMASK, [] [pid 1498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1497] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1498] <... prctl resumed>) = 0 [pid 1497] <... socket resumed>) = 4 [pid 1499] chdir("./120" [pid 1498] setpgid(0, 0 [pid 1497] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1499] <... chdir resumed>) = 0 [pid 1498] <... setpgid resumed>) = 0 [pid 1497] <... connect resumed>) = -1 EEXIST (File exists) [pid 1499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1497] sendfile(-1, -1, [3 [pid 1499] <... prctl resumed>) = 0 [pid 1498] <... openat resumed>) = 3 [pid 1497] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1499] setpgid(0, 0 [pid 1498] write(3, "1000", 4 [pid 1497] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1499] <... setpgid resumed>) = 0 [pid 1498] <... write resumed>) = 4 [pid 1497] <... clone3 resumed>) = 1500 [pid 1499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1498] close(3 [pid 1497] ioctl(3, PPPIOCSMRU, 0 [pid 1499] <... openat resumed>) = 3 [pid 1498] <... close resumed>) = 0 [pid 1497] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1499] write(3, "1000", 4 [pid 1498] symlink("/dev/binderfs", "./binderfs" [pid 1497] exit_group(0 [pid 1499] <... write resumed>) = 4 [pid 1498] <... symlink resumed>) = 0 [pid 1497] <... exit_group resumed>) = ? [pid 1499] close(3 [pid 1498] write(1, "executing program\n", 18 [pid 1497] +++ exited with 0 +++ [pid 1499] <... close resumed>) = 0 executing program [pid 1498] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1499] symlink("/dev/binderfs", "./binderfs" [pid 1498] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1499] <... symlink resumed>) = 0 [pid 1498] <... socket resumed>) = 3 executing program [pid 1499] write(1, "executing program\n", 18 [pid 1498] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1499] <... write resumed>) = 18 [pid 1498] <... socket resumed>) = 4 [pid 1499] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1498] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1499] <... socket resumed>) = 3 [pid 1498] <... connect resumed>) = -1 EEXIST (File exists) [pid 1499] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1498] sendfile(-1, -1, [3 [pid 1499] <... socket resumed>) = 4 [pid 1498] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [ 33.209005][ T1445] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 33.229184][ T1445] RSP: 0018:ffffc90002187b90 EFLAGS: 00010293 [ 33.235542][ T1445] RAX: ffffffff849ca097 RBX: ffff888119479000 RCX: ffff8881192c1440 [ 33.244035][ T1445] RDX: 0000000000000000 RSI: 000000000e9fddc0 RDI: 000000000c04eb7d [ 33.252313][ T1445] RBP: ffffc90002187bb0 R08: ffff888119479083 R09: 1ffff1102328f210 [pid 1499] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1498] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1499] <... connect resumed>) = -1 EEXIST (File exists) [pid 1498] <... clone3 resumed>) = 1501 [pid 306] <... restart_syscall resumed>) = 0 [pid 1499] sendfile(-1, -1, [3 [pid 1498] ioctl(3, PPPIOCSMRU, 0 [pid 1492] write(1, "executing program\n", 18 [pid 1499] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1498] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1492] <... write resumed>) = 18 [pid 1499] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1498] exit_group(0 [pid 1492] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1499] <... clone3 resumed>) = 1502 [ 33.260348][ T1445] R10: dffffc0000000000 R11: ffffed102328f211 R12: dffffc0000000000 [ 33.268384][ T1445] R13: dffffc0000000000 R14: 000000000e9fddc0 R15: ffff8881125a1000 [ 33.276516][ T1445] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 33.285514][ T1445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.292133][ T1445] CR2: 0000555593f8a398 CR3: 000000000700f000 CR4: 00000000003506b0 [ 33.300166][ T1445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 1498] <... exit_group resumed>) = ? [pid 1492] <... socket resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1499] ioctl(3, PPPIOCSMRU, 0 [pid 1498] +++ exited with 0 +++ [pid 1492] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1499] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1492] <... socket resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1498, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 306] <... openat resumed>) = 3 [pid 1499] exit_group(0 [pid 1492] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] fstat(3 [pid 1499] <... exit_group resumed>) = ? [pid 1492] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1499] +++ exited with 0 +++ [pid 1492] sendfile(-1, -1, [3 [pid 308] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 1492] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1492] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1492] <... clone3 resumed>) = 1503 [pid 308] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1492] ioctl(3, PPPIOCSMRU, 0 [pid 308] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./118/binderfs" [pid 1492] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1492] exit_group(0 [pid 308] getdents64(3 [pid 307] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./118/binderfs" [pid 1492] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 1492] +++ exited with 0 +++ [pid 308] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./114/binderfs" [pid 307] fstat(3 [pid 306] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 308] unlink("./114/binderfs" [pid 307] getdents64(3 [pid 306] rmdir("./118" [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 307] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./119", 0777 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 307] newfstatat(AT_FDCWD, "./120/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 33.308434][ T1445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.316467][ T1445] Call Trace: [ 33.319771][ T1445] [ 33.322776][ T1445] pppol2tp_release+0x150/0x2b0 [ 33.327780][ T1445] sock_close+0xc9/0x220 [ 33.332250][ T1445] ? __cfi_sock_close+0x10/0x10 [ 33.337151][ T1445] __fput+0x1fd/0x8f0 [ 33.341173][ T1445] ____fput+0x15/0x20 [ 33.345251][ T1445] task_work_run+0x1e1/0x250 [ 33.350227][ T1445] ? __cfi_task_work_run+0x10/0x10 [ 33.355690][ T1445] ? free_nsproxy+0x21f/0x270 [pid 308] rmdir("./114" [pid 307] unlink("./120/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] mkdir("./115", 0777 [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1504 [pid 310] fstat(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./120" [pid 310] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1504 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1505 [pid 307] mkdir("./121", 0777 [pid 1504] set_robust_list(0x555593f8a6a0, 24 [pid 310] newfstatat(AT_FDCWD, "./119/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 1504] <... set_robust_list resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1504] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./119/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1505 attached [pid 1504] chdir("./119" [pid 310] getdents64(3 [pid 1505] set_robust_list(0x555593f8a6a0, 24 [pid 1504] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1506 [pid 1505] <... set_robust_list resumed>) = 0 [pid 1504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1505] rt_sigprocmask(SIG_SETMASK, [] [pid 1504] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1504] setpgid(0, 0 [pid 310] rmdir("./119" [pid 1505] chdir("./115" [pid 1504] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1505] <... chdir resumed>) = 0 [pid 1504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] mkdir("./120", 0777 [pid 1505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1504] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 1505] <... prctl resumed>) = 0 [pid 1504] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1505] setpgid(0, 0 [pid 1504] <... write resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1505] <... setpgid resumed>) = 0 [pid 1504] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1504] <... close resumed>) = 0 [pid 1505] <... openat resumed>) = 3 [pid 1504] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1507 [pid 1505] write(3, "1000", 4 [pid 1504] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1505] <... write resumed>) = 4 executing program [pid 1504] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1505] close(3 [pid 1504] <... write resumed>) = 18 [pid 1505] <... close resumed>) = 0 [ 33.360543][ T1445] do_exit+0xb0d/0x29f0 [ 33.365021][ T1445] ? __cfi_do_exit+0x10/0x10 [ 33.369802][ T1445] ? xfd_validate_state+0x70/0x150 [ 33.375082][ T1445] ? __kasan_check_write+0x14/0x20 [ 33.380383][ T1445] __x64_sys_exit+0x40/0x40 [ 33.385134][ T1445] x64_sys_call+0x67/0x9a0 [ 33.389717][ T1445] do_syscall_64+0x4c/0xa0 [ 33.394321][ T1445] ? clear_bhb_loop+0x30/0x80 [ 33.399040][ T1445] ? clear_bhb_loop+0x30/0x80 [ 33.403848][ T1445] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [pid 1504] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1505] symlink("/dev/binderfs", "./binderfs" [pid 1504] <... socket resumed>) = 3 [pid 1505] <... symlink resumed>) = 0 [pid 1504] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [pid 1505] write(1, "executing program\n", 18 [pid 1504] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 1507 attached [pid 1505] <... write resumed>) = 18 [pid 1504] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1507] set_robust_list(0x555593f8a6a0, 24 [pid 1505] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1504] <... connect resumed>) = -1 EEXIST (File exists) [pid 1507] <... set_robust_list resumed>) = 0 [pid 1505] <... socket resumed>) = 3 [pid 1504] sendfile(-1, -1, [3 [pid 1507] rt_sigprocmask(SIG_SETMASK, [] [pid 1505] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1504] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1505] <... socket resumed>) = 4 [pid 1504] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1507] chdir("./120" [pid 1505] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1504] <... clone3 resumed>) = 1508 [pid 1507] <... chdir resumed>) = 0 [pid 1505] <... connect resumed>) = -1 EEXIST (File exists) [pid 1504] ioctl(3, PPPIOCSMRU, 0 [pid 1507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1505] sendfile(-1, -1, [3 [pid 1504] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1507] <... prctl resumed>) = 0 [pid 1505] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1504] exit_group(0 [pid 1507] setpgid(0, 0 [pid 1505] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1504] <... exit_group resumed>) = ? [pid 1507] <... setpgid resumed>) = 0 [pid 1505] <... clone3 resumed>) = 1509 [pid 1504] +++ exited with 0 +++ [pid 1507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1505] ioctl(3, PPPIOCSMRU, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1507] <... openat resumed>) = 3 [pid 1505] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1507] write(3, "1000", 4 [pid 1505] exit_group(0 [pid 1507] <... write resumed>) = 4 [pid 1505] <... exit_group resumed>) = ? [pid 1507] close(3 [pid 1505] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 1507] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1507] symlink("/dev/binderfs", "./binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1507] <... symlink resumed>) = 0 [pid 306] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1507] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1507] <... write resumed>) = 18 [pid 306] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1507] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... openat resumed>) = 3 [pid 1507] <... socket resumed>) = 3 [pid 308] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 1507] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1507] <... socket resumed>) = 4 [pid 308] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 1507] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1507] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 306] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1507] sendfile(-1, -1, [3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 33.410135][ T1445] RIP: 0033:0x7f1cc07fe169 [ 33.414793][ T1445] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 33.422073][ T1445] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 33.430790][ T1445] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 33.438929][ T1445] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.447148][ T1445] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 33.455339][ T1445] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 1507] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./119/binderfs" [pid 1507] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1507] <... clone3 resumed>) = 1510 [pid 308] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./119/binderfs" [pid 1507] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 1507] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] newfstatat(AT_FDCWD, "./115/binderfs" [pid 306] getdents64(3 [pid 1507] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1507] <... exit_group resumed>) = ? [pid 308] unlink("./115/binderfs" [pid 306] close(3 [pid 1507] +++ exited with 0 +++ [pid 308] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 306] rmdir("./119" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3 [pid 306] mkdir("./120", 0777ci2-android-6-1/strace-static-x86_64: Process 1506 attached [pid 1490] <... connect resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1506] set_robust_list(0x555593f8a6a0, 24 [pid 1490] sendfile(-1, -1, [3 [pid 308] rmdir("./115" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1506] <... set_robust_list resumed>) = 0 [pid 1490] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1506] rt_sigprocmask(SIG_SETMASK, [] [pid 1490] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] mkdir("./116", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1490] <... clone3 resumed>) = 1511 [pid 308] <... mkdir resumed>) = 0 [pid 1506] chdir("./121" [pid 1490] ioctl(3, PPPIOCSMRU, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1512 [pid 1506] <... chdir resumed>) = 0 [pid 1490] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1490] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1506] <... prctl resumed>) = 0 [pid 1490] <... exit_group resumed>) = ? [pid 1506] setpgid(0, 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1513 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1490] +++ exited with 0 +++ [pid 1506] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1513 attached [pid 1506] <... openat resumed>) = 3 [pid 1506] write(3, "1000", 4) = 4 [pid 1513] set_robust_list(0x555593f8a6a0, 24 [pid 1506] close(3) = 0 [pid 1506] symlink("/dev/binderfs", "./binderfs" [pid 1513] <... set_robust_list resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1512 attached [pid 1513] rt_sigprocmask(SIG_SETMASK, [] [pid 1506] <... symlink resumed>) = 0 [pid 1512] set_robust_list(0x555593f8a6a0, 24 executing program [pid 1506] write(1, "executing program\n", 18 [pid 1512] <... set_robust_list resumed>) = 0 [pid 1506] <... write resumed>) = 18 [pid 1512] rt_sigprocmask(SIG_SETMASK, [] [pid 1506] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... restart_syscall resumed>) = 0 [pid 1512] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1506] <... socket resumed>) = 3 [pid 1506] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1506] <... socket resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1512] chdir("./120" [pid 310] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1506] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... openat resumed>) = 3 [pid 1512] <... chdir resumed>) = 0 [pid 1506] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 1512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1506] sendfile(-1, -1, [3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1512] <... prctl resumed>) = 0 [pid 1506] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1512] setpgid(0, 0 [pid 1506] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./120/binderfs" [pid 1512] <... setpgid resumed>) = 0 [pid 1506] <... clone3 resumed>) = 1514 [pid 310] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1506] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1512] <... openat resumed>) = 3 [pid 1506] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] close(3 [pid 1513] chdir("./116" [pid 1512] write(3, "1000", 4 [pid 1506] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 1513] <... chdir resumed>) = 0 [pid 1512] <... write resumed>) = 4 [pid 1506] <... exit_group resumed>) = ? [pid 310] rmdir("./120" [pid 1513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1512] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 1513] <... prctl resumed>) = 0 [pid 310] mkdir("./121", 0777 [pid 1513] setpgid(0, 0 [pid 1512] <... close resumed>) = 0 [pid 1506] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 1513] <... setpgid resumed>) = 0 [pid 1512] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1512] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1513] <... openat resumed>) = 3 [pid 1512] write(1, "executing program\n", 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1513] write(3, "1000", 4 [pid 1512] <... write resumed>) = 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 1513] <... write resumed>) = 4 [pid 1512] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1515 executing program [pid 1513] close(3 [pid 1512] <... socket resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 1513] <... close resumed>) = 0 [pid 1512] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1513] symlink("/dev/binderfs", "./binderfs" [pid 1512] <... socket resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1513] <... symlink resumed>) = 0 [pid 1512] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1513] write(1, "executing program\n", 18 [pid 1512] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] <... openat resumed>) = 3 [pid 1513] <... write resumed>) = 18 [pid 1512] sendfile(-1, -1, [3 [pid 309] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 1513] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1512] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1513] <... socket resumed>) = 3 [pid 1512] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] fstat(3 [pid 307] getdents64(3 [pid 1513] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1513] <... socket resumed>) = 4 [pid 1512] <... clone3 resumed>) = 1516 [pid 309] getdents64(3 [pid 307] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1513] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1512] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1515 attached [pid 1513] <... connect resumed>) = -1 EEXIST (File exists) [pid 1512] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./121/binderfs" [pid 1515] set_robust_list(0x555593f8a6a0, 24 [pid 1513] sendfile(-1, -1, [3 [pid 1512] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1515] <... set_robust_list resumed>) = 0 [pid 1513] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1512] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./121/binderfs" [pid 307] unlink("./121/binderfs" [pid 1515] rt_sigprocmask(SIG_SETMASK, [] [pid 1513] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1513] <... clone3 resumed>) = 1517 [pid 1512] +++ exited with 0 +++ [pid 309] unlink("./121/binderfs" [pid 307] getdents64(3 [pid 1515] chdir("./121" [pid 1513] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1515] <... chdir resumed>) = 0 [pid 1513] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] getdents64(3 [pid 307] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1513] exit_group(0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 1515] <... prctl resumed>) = 0 [pid 1513] <... exit_group resumed>) = ? [pid 309] close(3 [pid 307] rmdir("./121" [pid 1515] setpgid(0, 0 [pid 1513] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1515] <... setpgid resumed>) = 0 [pid 309] rmdir("./121" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] mkdir("./122", 0777 [pid 1515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... mkdir resumed>) = 0 [pid 1515] <... openat resumed>) = 3 [pid 309] mkdir("./122", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1515] write(3, "1000", 4 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1515] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1515] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1515] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 ci2-android-6-1/strace-static-x86_64: Process 1518 attached [pid 1515] symlink("/dev/binderfs", "./binderfs" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1519 [pid 308] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1518 [pid 306] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1519 attached [pid 1518] set_robust_list(0x555593f8a6a0, 24 [pid 1515] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1519] set_robust_list(0x555593f8a6a0, 24 [pid 1518] <... set_robust_list resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./120/binderfs" [pid 1519] <... set_robust_list resumed>) = 0 [pid 1518] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1519] rt_sigprocmask(SIG_SETMASK, [] [pid 1518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./120/binderfs" [pid 1519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1518] chdir("./122" [pid 306] <... unlink resumed>) = 0 [pid 1519] chdir("./122" [pid 1518] <... chdir resumed>) = 0 [pid 306] getdents64(3 [pid 1519] <... chdir resumed>) = 0 [pid 1518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1518] <... prctl resumed>) = 0 [pid 306] close(3 [pid 1519] <... prctl resumed>) = 0 [pid 1518] setpgid(0, 0 [pid 306] <... close resumed>) = 0 [pid 1519] setpgid(0, 0 [pid 1518] <... setpgid resumed>) = 0 [pid 306] rmdir("./120" [pid 1519] <... setpgid resumed>) = 0 [pid 1518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1515] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 308] fstat(3 [pid 306] <... rmdir resumed>) = 0 [pid 1515] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] mkdir("./121", 0777 [pid 1515] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] getdents64(3 [pid 1515] <... socket resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1515] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 1519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1515] <... socket resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1515] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] newfstatat(AT_FDCWD, "./116/binderfs" [pid 1515] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1519] <... openat resumed>) = 3 [pid 1518] <... openat resumed>) = 3 [pid 1515] sendfile(-1, -1, [3 [pid 308] unlink("./116/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1520 attached [pid 1519] write(3, "1000", 4 [pid 1518] write(3, "1000", 4 [pid 1515] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... unlink resumed>) = 0 [pid 1520] set_robust_list(0x555593f8a6a0, 24 [pid 1515] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1520 [pid 1519] <... write resumed>) = 4 [pid 1518] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1520] <... set_robust_list resumed>) = 0 [pid 1519] close(3 [pid 1518] close(3 [pid 1515] <... clone3 resumed>) = 1521 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1520] rt_sigprocmask(SIG_SETMASK, [] [pid 1515] ioctl(3, PPPIOCSMRU, 0 [pid 308] close(3 [pid 1520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1519] <... close resumed>) = 0 [pid 1518] <... close resumed>) = 0 [pid 1515] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... close resumed>) = 0 [pid 1520] chdir("./121" [pid 1519] symlink("/dev/binderfs", "./binderfs" [pid 1518] symlink("/dev/binderfs", "./binderfs" [pid 1515] exit_group(0 [pid 308] rmdir("./116" [pid 1520] <... chdir resumed>) = 0 [pid 1515] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 1520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1519] <... symlink resumed>) = 0 [pid 1518] <... symlink resumed>) = 0 [pid 1515] +++ exited with 0 +++ [pid 1520] <... prctl resumed>) = 0 [pid 1519] write(1, "executing program\n", 18 [pid 1518] write(1, "executing program\n", 18 [pid 308] mkdir("./117", 0777 [pid 1520] setpgid(0, 0 [pid 1519] <... write resumed>) = 18 [pid 1518] <... write resumed>) = 18 executing program executing program [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... mkdir resumed>) = 0 [pid 1520] <... setpgid resumed>) = 0 [pid 310] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1519] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1518] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1520] <... openat resumed>) = 3 [pid 1519] <... socket resumed>) = 3 [pid 1518] <... socket resumed>) = 3 [pid 310] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1520] write(3, "1000", 4 [pid 1519] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1518] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... openat resumed>) = 3 [pid 1520] <... write resumed>) = 4 [pid 1520] close(3) = 0 [pid 1520] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1520] write(1, "executing program\n", 18 [pid 310] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1522 attached [pid 1520] <... write resumed>) = 18 [pid 1519] <... socket resumed>) = 4 [pid 1518] <... socket resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1522 [pid 1522] set_robust_list(0x555593f8a6a0, 24 [pid 1520] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1519] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1518] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1522] <... set_robust_list resumed>) = 0 [pid 1520] <... socket resumed>) = 3 [pid 1519] <... connect resumed>) = -1 EEXIST (File exists) [pid 1518] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 33.463822][ T1445] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 0000000000000071 [ 33.472110][ T1445] [ 33.475278][ T1445] ---[ end trace 0000000000000000 ]--- [pid 1522] rt_sigprocmask(SIG_SETMASK, [] [pid 1520] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1519] sendfile(-1, -1, [3 [pid 1518] sendfile(-1, -1, [3 [pid 310] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1520] <... socket resumed>) = 4 [pid 1519] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1518] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1522] chdir("./117" [pid 1520] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1519] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1518] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] newfstatat(AT_FDCWD, "./121/binderfs" [pid 1520] <... connect resumed>) = -1 EEXIST (File exists) [pid 1520] sendfile(-1, -1, [3 [pid 1519] <... clone3 resumed>) = 1523 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1520] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1520] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1522] <... chdir resumed>) = 0 [pid 1520] <... clone3 resumed>) = 1525 [pid 1519] ioctl(3, PPPIOCSMRU, 0 [pid 1518] <... clone3 resumed>) = 1524 [pid 310] unlink("./121/binderfs" [pid 1522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1520] ioctl(3, PPPIOCSMRU, 0 [pid 1519] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1518] ioctl(3, PPPIOCSMRU, 0 [pid 1522] <... prctl resumed>) = 0 [pid 1520] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1519] exit_group(0 [pid 1518] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... unlink resumed>) = 0 [pid 1522] setpgid(0, 0 [pid 1520] exit_group(0 [pid 1519] <... exit_group resumed>) = ? [pid 1518] exit_group(0 [pid 310] getdents64(3 [pid 1522] <... setpgid resumed>) = 0 [pid 1520] <... exit_group resumed>) = ? [pid 1522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1519] +++ exited with 0 +++ [pid 1518] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1522] <... openat resumed>) = 3 [pid 1520] +++ exited with 0 +++ [pid 1518] +++ exited with 0 +++ [pid 1522] write(3, "1000", 4 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1522] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1522] close(3 [pid 310] rmdir("./121" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1522] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1522] symlink("/dev/binderfs", "./binderfs" [pid 310] mkdir("./122", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./121/binderfs" [pid 1522] <... symlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1522] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 306] unlink("./121/binderfs" [pid 1522] <... write resumed>) = 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1522] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1522] <... socket resumed>) = 3 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1526 attached [pid 1522] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] getdents64(3 [pid 1526] set_robust_list(0x555593f8a6a0, 24 [pid 1522] <... socket resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1526 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1526] <... set_robust_list resumed>) = 0 [pid 1522] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 1526] rt_sigprocmask(SIG_SETMASK, [] [pid 1522] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(3 [pid 1526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1522] sendfile(-1, -1, [3 [pid 1526] chdir("./122" [pid 1522] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = 0 [pid 1526] <... chdir resumed>) = 0 [pid 1522] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] rmdir("./121" [pid 307] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 1526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1522] <... clone3 resumed>) = 1527 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./122", 0777 [pid 1526] <... prctl resumed>) = 0 [pid 1522] ioctl(3, PPPIOCSMRU, 0 [pid 307] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1526] setpgid(0, 0 [pid 1522] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1526] <... setpgid resumed>) = 0 [pid 1522] exit_group(0 [pid 1526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1522] <... exit_group resumed>) = ? [pid 307] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 1522] +++ exited with 0 +++ [pid 307] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1526] <... openat resumed>) = 3 [pid 1526] write(3, "1000", 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1526] <... write resumed>) = 4 [pid 308] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1526] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1526] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1526] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1526] <... symlink resumed>) = 0 [pid 308] fstat(3 [pid 1526] write(1, "executing program\n", 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1526] <... write resumed>) = 18 [pid 308] getdents64(3 [pid 307] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1526] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 1526] <... socket resumed>) = 3 [pid 308] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1528 ci2-android-6-1/strace-static-x86_64: Process 1528 attached [pid 1526] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1526] <... socket resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./117/binderfs" [pid 307] newfstatat(AT_FDCWD, "./122/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1528] set_robust_list(0x555593f8a6a0, 24 [pid 1526] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1526] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./117/binderfs" [pid 1526] sendfile(-1, -1, [3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 1526] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1526] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1528] <... set_robust_list resumed>) = 0 [pid 1526] <... clone3 resumed>) = 1529 [pid 309] fstat(3 [pid 308] close(3 [pid 307] unlink("./122/binderfs" [pid 1526] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 1526] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] getdents64(3 [pid 308] rmdir("./117" [pid 1526] exit_group(0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rmdir resumed>) = 0 [pid 1526] <... exit_group resumed>) = ? [pid 309] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./118", 0777 [pid 1528] rt_sigprocmask(SIG_SETMASK, [] [pid 1526] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./122/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./122/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 1530 attached [pid 1528] chdir("./122" [pid 309] getdents64(3 [pid 307] close(3 [pid 1530] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1530 [pid 1530] <... set_robust_list resumed>) = 0 [pid 309] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 1530] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./122" [pid 1530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./122" [pid 1530] chdir("./118" [pid 1528] <... chdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1530] <... chdir resumed>) = 0 [pid 310] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./123", 0777 [pid 1530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 307] mkdir("./123", 0777 [pid 1530] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1530] setpgid(0, 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1530] <... setpgid resumed>) = 0 [pid 310] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1528] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1531 attached [pid 1530] <... openat resumed>) = 3 [pid 1528] setpgid(0, 0 [pid 310] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1531] set_robust_list(0x555593f8a6a0, 24 [pid 1530] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1531 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1531] <... set_robust_list resumed>) = 0 [pid 1530] <... write resumed>) = 4 [pid 1528] <... setpgid resumed>) = 0 [pid 310] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1531] rt_sigprocmask(SIG_SETMASK, [] [pid 1530] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1530] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./122/binderfs" [pid 1531] chdir("./123" [pid 1530] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1531] <... chdir resumed>) = 0 [pid 1530] <... symlink resumed>) = 0 [pid 310] unlink("./122/binderfs" [pid 1531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1530] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1532 [pid 1531] <... prctl resumed>) = 0 [pid 1530] <... write resumed>) = 18 executing program [pid 1528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 1531] setpgid(0, 0 [pid 1530] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1531] <... setpgid resumed>) = 0 [pid 1530] <... socket resumed>) = 3 [pid 310] close(3 [pid 1531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1530] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1532 attached [pid 1531] <... openat resumed>) = 3 [pid 1530] <... socket resumed>) = 4 [pid 1528] <... openat resumed>) = 3 [pid 310] rmdir("./122" [pid 1532] set_robust_list(0x555593f8a6a0, 24 [pid 1531] write(3, "1000", 4 [pid 1530] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1528] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 1531] <... write resumed>) = 4 [pid 1530] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./123", 0777 [pid 1532] <... set_robust_list resumed>) = 0 [pid 1531] close(3 [pid 1530] sendfile(-1, -1, [3 [pid 1528] <... write resumed>) = 4 [pid 1531] <... close resumed>) = 0 [pid 1530] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1531] symlink("/dev/binderfs", "./binderfs" [pid 1530] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1532] rt_sigprocmask(SIG_SETMASK, [] [pid 1528] close(3 [pid 1532] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1530] <... clone3 resumed>) = 1533 [pid 1528] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1532] chdir("./123" [pid 1531] <... symlink resumed>) = 0 [pid 1530] ioctl(3, PPPIOCSMRU, 0 [pid 1528] symlink("/dev/binderfs", "./binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1534 attached [pid 1532] <... chdir resumed>) = 0 [pid 1531] write(1, "executing program\n", 18 [pid 1530] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 1528] <... symlink resumed>) = 0 [pid 1531] <... write resumed>) = 18 [pid 1530] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1534 [pid 1531] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1530] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1534] set_robust_list(0x555593f8a6a0, 24 [pid 1532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1531] <... socket resumed>) = 3 [pid 1530] +++ exited with 0 +++ [pid 1528] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1531] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1531] <... socket resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1531] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1531] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 1531] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1534] <... set_robust_list resumed>) = 0 [pid 1532] <... prctl resumed>) = 0 [pid 1531] <... clone3 resumed>) = 1535 [pid 1528] <... write resumed>) = 18 [pid 1531] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1532] setpgid(0, 0 [pid 1531] exit_group(0 [pid 1528] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1531] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1534] rt_sigprocmask(SIG_SETMASK, [] [pid 1532] <... setpgid resumed>) = 0 [pid 1528] <... socket resumed>) = 3 [pid 1531] +++ exited with 0 +++ [pid 1528] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... openat resumed>) = 3 [pid 1532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 1528] <... socket resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1528] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] getdents64(3 [pid 1532] <... openat resumed>) = 3 [pid 1528] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1532] write(3, "1000", 4 [pid 1528] sendfile(-1, -1, [3 [pid 308] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1532] <... write resumed>) = 4 [pid 1528] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./118/binderfs" [pid 1532] close(3 [pid 1528] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./118/binderfs") = 0 [pid 309] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 1532] <... close resumed>) = 0 [pid 1528] <... clone3 resumed>) = 1536 [pid 309] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 309] fstat(3 [pid 308] rmdir("./118" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 1528] ioctl(3, PPPIOCSMRU, 0 [pid 309] getdents64(3 [pid 308] mkdir("./119", 0777 [pid 1534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1532] symlink("/dev/binderfs", "./binderfs" [pid 1528] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./123/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./123/binderfs" [pid 1532] <... symlink resumed>) = 0 [pid 1528] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1537 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./123" [pid 1528] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./124", 0777 [pid 1532] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1528] +++ exited with 0 +++ executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1537 attached ci2-android-6-1/strace-static-x86_64: Process 1538 attached [pid 1534] chdir("./123" [pid 1532] <... write resumed>) = 18 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1538 [pid 1538] set_robust_list(0x555593f8a6a0, 24 [pid 1532] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1538] <... set_robust_list resumed>) = 0 [pid 1534] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1538] chdir("./124") = 0 [pid 1538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1538] setpgid(0, 0) = 0 [pid 1538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1538] write(3, "1000", 4) = 4 [pid 1538] close(3) = 0 [pid 1538] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1532] <... socket resumed>) = 3 [pid 1538] write(1, "executing program\n", 18) = 18 [pid 1534] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1532] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1538] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1538] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1538] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1538] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1538] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1532] <... socket resumed>) = 4 [pid 1534] <... prctl resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1537] set_robust_list(0x555593f8a6a0, 24 [pid 1534] setpgid(0, 0 [pid 1532] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1538] <... clone3 resumed>) = 1539 [pid 1537] <... set_robust_list resumed>) = 0 [pid 1534] <... setpgid resumed>) = 0 [pid 1532] <... connect resumed>) = -1 EEXIST (File exists) [pid 1538] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1532] sendfile(-1, -1, [3 [pid 1538] exit_group(0 [pid 1534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1532] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1538] <... exit_group resumed>) = ? [pid 1537] rt_sigprocmask(SIG_SETMASK, [] [pid 1534] <... openat resumed>) = 3 [pid 1532] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1538] +++ exited with 0 +++ [pid 1534] write(3, "1000", 4 [pid 1532] <... clone3 resumed>) = 1540 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1534] <... write resumed>) = 4 [pid 1532] ioctl(3, PPPIOCSMRU, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1534] close(3 [pid 1532] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... openat resumed>) = 3 [pid 1537] chdir("./119" [pid 1534] <... close resumed>) = 0 [pid 1532] exit_group(0 [pid 306] fstat(3 [pid 1534] symlink("/dev/binderfs", "./binderfs" [pid 1532] <... exit_group resumed>) = ? [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1537] <... chdir resumed>) = 0 [pid 1534] <... symlink resumed>) = 0 [pid 1537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1537] setpgid(0, 0) = 0 [pid 1537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1534] write(1, "executing program\n", 18 executing program [pid 1532] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 1537] <... openat resumed>) = 3 [pid 1534] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1537] write(3, "1000", 4 [pid 1534] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1537] <... write resumed>) = 4 [pid 1534] <... socket resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1537] close(3 [pid 1534] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] newfstatat(AT_FDCWD, "./122/binderfs" [pid 1537] <... close resumed>) = 0 [pid 1534] <... socket resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1537] symlink("/dev/binderfs", "./binderfs" [pid 1534] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] unlink("./122/binderfs" [pid 1537] <... symlink resumed>) = 0 [pid 1534] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 1534] sendfile(-1, -1, [3 [pid 307] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 1537] write(1, "executing program\n", 18 [pid 1534] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 1537] <... write resumed>) = 18 [pid 1534] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 1537] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1537] <... socket resumed>) = 3 [pid 1534] <... clone3 resumed>) = 1541 [pid 307] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 1537] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1534] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 306] rmdir("./122" [pid 1537] <... socket resumed>) = 4 [pid 1534] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1537] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1534] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] mkdir("./123", 0777 [pid 1537] <... connect resumed>) = -1 EEXIST (File exists) [pid 1534] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 1537] sendfile(-1, -1, [3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1537] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1537] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 1537] <... clone3 resumed>) = 1542 [pid 1534] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./124/binderfs" [pid 307] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1537] ioctl(3, PPPIOCSMRU, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1537] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./124/binderfs" [pid 307] newfstatat(AT_FDCWD, "./123/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1537] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 1537] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 1537] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./124") = 0 [pid 307] unlink("./123/binderfs" [pid 309] mkdir("./125", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1543 attached ci2-android-6-1/strace-static-x86_64: Process 1544 attached [pid 307] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1543 [pid 1544] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1544 [pid 1544] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1544] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1544] chdir("./125") = 0 [pid 1544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1544] setpgid(0, 0) = 0 [pid 1544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1543] set_robust_list(0x555593f8a6a0, 24 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1544] write(3, "1000", 4) = 4 [pid 1544] close(3) = 0 [pid 1544] symlink("/dev/binderfs", "./binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 1543] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1544] <... symlink resumed>) = 0 [pid 1543] rt_sigprocmask(SIG_SETMASK, [] [pid 1544] write(1, "executing program\n", 18 [pid 308] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1544] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1544] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1544] <... socket resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] close(3 [pid 1544] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 1544] <... socket resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1544] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 1544] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rmdir("./123" [pid 1544] sendfile(-1, -1, [3 [pid 308] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1544] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1544] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] newfstatat(AT_FDCWD, "./119/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 1543] chdir("./123" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./124", 0777 [pid 1544] <... clone3 resumed>) = 1545 [pid 1543] <... chdir resumed>) = 0 [pid 308] unlink("./119/binderfs" [pid 1544] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... unlink resumed>) = 0 [pid 1544] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 1544] exit_group(0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1544] <... exit_group resumed>) = ? [pid 308] close(3 [pid 1543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1544] +++ exited with 0 +++ [pid 1543] <... prctl resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1543] setpgid(0, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./119" [pid 1543] <... setpgid resumed>) = 0 [pid 310] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rmdir resumed>) = 0 [pid 1543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./120", 0777ci2-android-6-1/strace-static-x86_64: Process 1546 attached [pid 1543] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... mkdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1546 [pid 1543] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1543] <... write resumed>) = 4 [pid 310] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1543] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1546] set_robust_list(0x555593f8a6a0, 24 [pid 1543] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1547 attached [pid 1543] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1547] set_robust_list(0x555593f8a6a0, 24 [pid 1543] <... symlink resumed>) = 0 [pid 310] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1547 [pid 1547] <... set_robust_list resumed>) = 0 [pid 1543] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1547] rt_sigprocmask(SIG_SETMASK, [] [pid 1543] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./123/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1543] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1547] chdir("./120" [pid 1543] <... socket resumed>) = 3 [pid 310] unlink("./123/binderfs" [pid 1547] <... chdir resumed>) = 0 [pid 1543] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... unlink resumed>) = 0 [pid 1547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1543] <... socket resumed>) = 4 [pid 310] getdents64(3 [pid 1547] <... prctl resumed>) = 0 [pid 1543] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1547] setpgid(0, 0 [pid 1543] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 1547] <... setpgid resumed>) = 0 [pid 1543] sendfile(-1, -1, [3 [pid 310] <... close resumed>) = 0 [pid 1546] <... set_robust_list resumed>) = 0 [pid 1543] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1546] rt_sigprocmask(SIG_SETMASK, [] [pid 1543] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rmdir("./123" [pid 1546] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1543] <... clone3 resumed>) = 1548 [pid 1547] <... openat resumed>) = 3 [pid 1543] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rmdir resumed>) = 0 [pid 1547] write(3, "1000", 4 [pid 1543] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] mkdir("./124", 0777 [pid 309] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1547] <... write resumed>) = 4 [pid 1546] chdir("./124" [pid 1543] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1547] close(3 [pid 1546] <... chdir resumed>) = 0 [pid 1543] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1546] setpgid(0, 0) = 0 [pid 1546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1543] +++ exited with 0 +++ [pid 1547] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 1547] symlink("/dev/binderfs", "./binderfs" [pid 1546] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1546] <... write resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1546] close(3) = 0 [pid 1546] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1546] write(1, "executing program\n", 18 [pid 1547] <... symlink resumed>) = 0 [pid 1546] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1549 [pid 1547] write(1, "executing program\n", 18 [pid 1546] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1547] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1547] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program executing program [pid 309] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1547] <... socket resumed>) = 3 [pid 1546] <... socket resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1546] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] newfstatat(AT_FDCWD, "./125/binderfs" [pid 1547] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1547] <... socket resumed>) = 4 [pid 1546] <... socket resumed>) = 4 [pid 309] unlink("./125/binderfs" [pid 1546] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 1547] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1546] sendfile(-1, -1, [3 [pid 309] getdents64(3 [pid 1547] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1547] sendfile(-1, -1, [3 [pid 309] close(3 [pid 1547] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1547] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rmdir("./125" [pid 1546] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1546] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1547] <... clone3 resumed>) = 1550 [pid 1546] <... clone3 resumed>) = 1551 [pid 309] <... rmdir resumed>) = 0 [pid 1547] ioctl(3, PPPIOCSMRU, 0 [pid 1546] ioctl(3, PPPIOCSMRU, 0 [pid 309] mkdir("./126", 0777 [pid 1546] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1546] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 1549 attached [pid 1547] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1546] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 1549] set_robust_list(0x555593f8a6a0, 24 [pid 1547] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1549] <... set_robust_list resumed>) = 0 [pid 1547] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1549] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1549] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1547] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1549] chdir("./124" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1552 attached [pid 1549] <... chdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1552] set_robust_list(0x555593f8a6a0, 24 [pid 1549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1552 [pid 1552] <... set_robust_list resumed>) = 0 [pid 1549] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1549] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1549] <... setpgid resumed>) = 0 [pid 308] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1549] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1549] write(3, "1000", 4 [pid 308] <... openat resumed>) = 3 [pid 1549] <... write resumed>) = 4 [pid 308] fstat(3 [pid 1549] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1549] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1552] rt_sigprocmask(SIG_SETMASK, [] [pid 1549] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1549] <... symlink resumed>) = 0 [pid 308] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1549] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1549] <... write resumed>) = 18 [pid 308] newfstatat(AT_FDCWD, "./120/binderfs" [pid 1549] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1549] <... socket resumed>) = 3 [pid 308] unlink("./120/binderfs" [pid 307] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1549] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... unlink resumed>) = 0 [pid 1549] <... socket resumed>) = 4 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1549] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1549] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] close(3 [pid 1549] sendfile(-1, -1, [3 [pid 308] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 1549] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rmdir("./120" [pid 1549] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 1552] chdir("./126" [pid 1549] <... clone3 resumed>) = 1553 [pid 308] mkdir("./121", 0777 [pid 1552] <... chdir resumed>) = 0 [pid 1549] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1549] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... mkdir resumed>) = 0 [pid 1549] exit_group(0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1549] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1552] <... prctl resumed>) = 0 [pid 1549] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1552] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 1554 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1554] set_robust_list(0x555593f8a6a0, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1554 [pid 1554] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1554] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 1554] chdir("./121") = 0 [pid 1554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1554] setpgid(0, 0) = 0 [pid 1554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1554] write(3, "1000", 4) = 4 [pid 1554] close(3) = 0 [pid 1554] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1552] <... setpgid resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./124/binderfs" [pid 1554] write(1, "executing program\n", 18 [pid 1552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1554] <... write resumed>) = 18 [pid 307] unlink("./124/binderfs" [pid 306] getdents64(3 [pid 1554] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1552] <... openat resumed>) = 3 [pid 1554] <... socket resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 1552] write(3, "1000", 4 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1552] <... write resumed>) = 4 [pid 307] close(3 [pid 306] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1552] close(3 executing program [pid 1554] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1552] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./124" [pid 1552] symlink("/dev/binderfs", "./binderfs" [pid 306] newfstatat(AT_FDCWD, "./123/binderfs" [pid 1554] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1554] <... connect resumed>) = -1 EEXIST (File exists) [pid 1554] sendfile(-1, -1, [3 [pid 1552] <... symlink resumed>) = 0 [pid 306] unlink("./123/binderfs" [pid 307] mkdir("./125", 0777 [pid 1554] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1554] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1555 executing program [pid 1552] write(1, "executing program\n", 18 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1554] ioctl(3, PPPIOCSMRU, 0 [pid 1552] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 1554] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1552] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1554] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1554] <... exit_group resumed>) = ? [pid 1554] +++ exited with 0 +++ [pid 1552] <... socket resumed>) = 3 [pid 306] close(3 [pid 1552] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1556 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1556 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./123" [pid 1552] <... socket resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1556] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1552] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] mkdir("./124", 0777 [pid 1556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1556] chdir("./125") = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1552] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1552] sendfile(-1, -1, [3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1556] <... prctl resumed>) = 0 [pid 1552] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1556] setpgid(0, 0) = 0 [pid 1556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1556] write(3, "1000", 4) = 4 [pid 1556] close(3) = 0 [pid 1556] symlink("/dev/binderfs", "./binderfs" [pid 1552] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1557 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1556] <... symlink resumed>) = 0 [pid 1556] write(1, "executing program\n", 18) = 18 [pid 1556] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1556] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1556] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1556] sendfile(-1, -1, [3 [pid 1552] <... clone3 resumed>) = 1558 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1556] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1556] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 executing program [pid 1552] ioctl(3, PPPIOCSMRU, 0 [pid 1556] <... clone3 resumed>) = 1559 [pid 1552] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1556] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1552] exit_group(0 [pid 1556] exit_group(0) = ? [pid 1552] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./124/binderfs" [pid 1552] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3) = 0 [pid 308] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./124" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1557 attached [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./125", 0777 [pid 308] <... openat resumed>) = 3 [pid 1557] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... mkdir resumed>) = 0 [pid 308] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 ci2-android-6-1/strace-static-x86_64: Process 1560 attached [pid 1557] <... set_robust_list resumed>) = 0 [pid 1556] +++ exited with 0 +++ [pid 308] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1560 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./121/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./121/binderfs" [pid 1557] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./121") = 0 [pid 308] mkdir("./122", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1560] set_robust_list(0x555593f8a6a0, 24 [pid 1557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1560] <... set_robust_list resumed>) = 0 [pid 1557] chdir("./124"ci2-android-6-1/strace-static-x86_64: Process 1561 attached [pid 309] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1561] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1561 [pid 1561] <... set_robust_list resumed>) = 0 [pid 309] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1561] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 1561] chdir("./122" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1561] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 1561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1561] <... prctl resumed>) = 0 [pid 309] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1561] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1561] <... setpgid resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./126/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1561] <... openat resumed>) = 3 [pid 309] unlink("./126/binderfs" [pid 307] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1560] rt_sigprocmask(SIG_SETMASK, [] [pid 1557] <... chdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 1561] write(3, "1000", 4 [pid 1560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 1561] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 1561] close(3 [pid 309] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1561] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1561] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./126" [pid 1561] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 1561] write(1, "executing program\n", 18 [pid 309] mkdir("./127", 0777 [pid 1561] <... write resumed>) = 18 [pid 309] <... mkdir resumed>) = 0 [pid 1561] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1561] <... socket resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1561] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 1561] <... socket resumed>) = 4 [pid 1557] <... prctl resumed>) = 0 [pid 307] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1561] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1557] setpgid(0, 0 [pid 1560] chdir("./125" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1562 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1561] <... connect resumed>) = -1 EEXIST (File exists) [pid 1557] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./125/binderfs" [pid 1561] sendfile(-1, -1, [3 [pid 1557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1561] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1557] <... openat resumed>) = 3 [pid 307] unlink("./125/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1562 attached [pid 1561] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1560] <... chdir resumed>) = 0 [pid 1557] write(3, "1000", 4 [pid 307] <... unlink resumed>) = 0 [pid 1562] set_robust_list(0x555593f8a6a0, 24 [pid 1560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3 [pid 1562] <... set_robust_list resumed>) = 0 [pid 1561] <... clone3 resumed>) = 1563 [pid 1560] <... prctl resumed>) = 0 [pid 1557] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1561] ioctl(3, PPPIOCSMRU, 0 [pid 1557] close(3 [pid 307] close(3 [pid 1561] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1557] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 1561] exit_group(0 [pid 1557] symlink("/dev/binderfs", "./binderfs" [pid 307] rmdir("./125" [pid 1562] rt_sigprocmask(SIG_SETMASK, [] [pid 1561] <... exit_group resumed>) = ? [pid 1560] setpgid(0, 0 [pid 1557] <... symlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1561] +++ exited with 0 +++ [pid 1560] <... setpgid resumed>) = 0 [pid 1557] write(1, "executing program\n", 18 executing program [pid 307] mkdir("./126", 0777 [pid 1562] chdir("./127" [pid 1560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1557] <... write resumed>) = 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... mkdir resumed>) = 0 [pid 1557] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1557] <... socket resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1557] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1560] <... openat resumed>) = 3 [pid 1562] <... chdir resumed>) = 0 [pid 1557] <... socket resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1564 attached [pid 1557] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1564 [pid 1557] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1557] sendfile(-1, -1, [3 [pid 308] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1557] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1557] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1564] set_robust_list(0x555593f8a6a0, 24 [pid 1562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1560] write(3, "1000", 4 [pid 1557] <... clone3 resumed>) = 1565 [pid 308] <... openat resumed>) = 3 [pid 1557] ioctl(3, PPPIOCSMRU, 0 [pid 308] fstat(3 [pid 1557] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1557] exit_group(0 [pid 308] getdents64(3 [pid 1557] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1564] <... set_robust_list resumed>) = 0 [pid 1562] <... prctl resumed>) = 0 [pid 1560] <... write resumed>) = 4 [pid 1557] +++ exited with 0 +++ [pid 308] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1562] setpgid(0, 0 [pid 1560] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./122/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./122/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./122") = 0 [pid 1562] <... setpgid resumed>) = 0 [pid 1560] <... close resumed>) = 0 [pid 308] mkdir("./123", 0777 [pid 1564] rt_sigprocmask(SIG_SETMASK, [] [pid 1562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1560] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1566 attached [pid 1564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1562] <... openat resumed>) = 3 [pid 1560] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1566] set_robust_list(0x555593f8a6a0, 24 [pid 1564] chdir("./126" [pid 1562] write(3, "1000", 4 [pid 1560] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1566 executing program [pid 306] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1566] <... set_robust_list resumed>) = 0 [pid 1564] <... chdir resumed>) = 0 [pid 1562] <... write resumed>) = 4 [pid 1560] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 1566] rt_sigprocmask(SIG_SETMASK, [] [pid 1564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1562] close(3 [pid 1560] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 1566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1566] chdir("./123" [pid 306] getdents64(3 [pid 1566] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1566] setpgid(0, 0 [pid 306] newfstatat(AT_FDCWD, "./124/binderfs" [pid 1566] <... setpgid resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1564] <... prctl resumed>) = 0 [pid 1562] <... close resumed>) = 0 [pid 1560] <... socket resumed>) = 3 [pid 306] unlink("./124/binderfs" [pid 1564] setpgid(0, 0 [pid 1562] symlink("/dev/binderfs", "./binderfs" [pid 1560] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1566] <... openat resumed>) = 3 [pid 306] <... unlink resumed>) = 0 [pid 1566] write(3, "1000", 4 [pid 306] getdents64(3 [pid 1566] <... write resumed>) = 4 [pid 1562] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1560] <... socket resumed>) = 4 [pid 1566] close(3 [pid 1564] <... setpgid resumed>) = 0 [pid 1562] write(1, "executing program\n", 18 [pid 306] close(3 [pid 1566] <... close resumed>) = 0 [pid 1564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1560] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... close resumed>) = 0 [pid 1566] symlink("/dev/binderfs", "./binderfs" [pid 1562] <... write resumed>) = 18 [pid 306] rmdir("./124" [pid 1566] <... symlink resumed>) = 0 [pid 1564] <... openat resumed>) = 3 [pid 1562] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1560] <... connect resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1566] write(1, "executing program\n", 18 [pid 1562] <... socket resumed>) = 3 [pid 306] mkdir("./125", 0777 executing program [pid 1564] write(3, "1000", 4 [pid 1562] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1560] sendfile(-1, -1, [3 [pid 1566] <... write resumed>) = 18 [pid 1564] <... write resumed>) = 4 [pid 1562] <... socket resumed>) = 4 [pid 1560] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... mkdir resumed>) = 0 [pid 1564] close(3 [pid 1562] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1560] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1566] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1564] <... close resumed>) = 0 [pid 1562] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1566] <... socket resumed>) = 3 [pid 1564] symlink("/dev/binderfs", "./binderfs" [pid 1562] sendfile(-1, -1, [3 [pid 1560] <... clone3 resumed>) = 1567 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1566] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1564] <... symlink resumed>) = 0 [pid 1562] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1560] ioctl(3, PPPIOCSMRU, 0 [pid 1564] write(1, "executing program\n", 18 executing program [pid 1562] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1560] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1566] <... socket resumed>) = 4 [pid 1564] <... write resumed>) = 18 [pid 1562] <... clone3 resumed>) = 1568 [pid 1560] exit_group(0 [pid 1564] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1562] ioctl(3, PPPIOCSMRU, 0 [pid 1560] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1569 [pid 1566] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 1569 attached ) = -1 EEXIST (File exists) [pid 1564] <... socket resumed>) = 3 [pid 1562] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1560] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1569] set_robust_list(0x555593f8a6a0, 24 [pid 1566] sendfile(-1, -1, [3 [pid 1564] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1562] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1564] <... socket resumed>) = 4 [pid 1562] <... exit_group resumed>) = ? [pid 1569] <... set_robust_list resumed>) = 0 [pid 1566] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1564] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1569] rt_sigprocmask(SIG_SETMASK, [] [pid 1566] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1562] +++ exited with 0 +++ [pid 1564] <... connect resumed>) = -1 EEXIST (File exists) [pid 1569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1566] <... clone3 resumed>) = 1570 [pid 1564] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1564] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1569] chdir("./125" [pid 1566] ioctl(3, PPPIOCSMRU, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1569] <... chdir resumed>) = 0 [pid 1566] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1564] <... clone3 resumed>) = 1571 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1564] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1566] exit_group(0 [pid 1564] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1566] <... exit_group resumed>) = ? [pid 1564] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1566] +++ exited with 0 +++ [pid 1564] <... exit_group resumed>) = ? [pid 1569] <... prctl resumed>) = 0 [pid 310] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1569] setpgid(0, 0 [pid 1564] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1569] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1569] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1569] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 1569] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1569] close(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] getdents64(3 [pid 307] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... close resumed>) = 0 [pid 310] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1569] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./125/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 1569] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] newfstatat(AT_FDCWD, "./127/binderfs" [pid 307] fstat(3 [pid 1569] <... write resumed>) = 18 [pid 310] unlink("./125/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1569] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./127/binderfs" [pid 307] getdents64(3 [pid 1569] <... socket resumed>) = 3 [pid 310] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1569] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... socket resumed>) = 4 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... close resumed>) = 0 [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./126/binderfs" [pid 1569] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./125" [pid 309] <... close resumed>) = 0 [pid 308] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1569] sendfile(-1, -1, [3 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./127" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./126/binderfs" [pid 1569] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./126", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 1569] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... mkdir resumed>) = 0 [pid 309] mkdir("./128", 0777 [pid 308] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 1569] <... clone3 resumed>) = 1572 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... mkdir resumed>) = 0 [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1569] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 1569] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1573 attached [pid 1569] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rmdir("./126" [pid 1573] set_robust_list(0x555593f8a6a0, 24 [pid 1569] <... exit_group resumed>) = ? [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1573 [pid 1573] <... set_robust_list resumed>) = 0 [pid 308] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1573] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1574 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./123/binderfs" [pid 307] mkdir("./127", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1573] chdir("./126" [pid 308] unlink("./123/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 1569] +++ exited with 0 +++ [pid 1573] <... chdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 1574 attached [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3 [pid 1573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1573] setpgid(0, 0) = 0 [pid 1573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1573] write(3, "1000", 4) = 4 [pid 1573] close(3) = 0 [pid 1573] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1573] write(1, "executing program\n", 18) = 18 [pid 1573] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1573] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1573] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1573] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1573] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1576 [pid 1573] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1573] exit_group(0) = ? executing program [pid 1573] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1575 [pid 306] <... restart_syscall resumed>) = 0 [pid 1574] set_robust_list(0x555593f8a6a0, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./123" [pid 1574] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1575 attached [pid 308] mkdir("./124", 0777 [pid 1574] rt_sigprocmask(SIG_SETMASK, [] [pid 1575] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1575] chdir("./127" [pid 1574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1574] chdir("./128" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 1575] <... chdir resumed>) = 0 [pid 1575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1575] setpgid(0, 0) = 0 [pid 1575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] fstat(3 [pid 1574] <... chdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1577 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1575] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 1574] <... prctl resumed>) = 0 [pid 1575] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1574] setpgid(0, 0 [pid 1575] close(3 [pid 1574] <... setpgid resumed>) = 0 [pid 306] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1575] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1575] symlink("/dev/binderfs", "./binderfs" [pid 306] newfstatat(AT_FDCWD, "./125/binderfs" [pid 1574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1575] <... symlink resumed>) = 0 [pid 1574] <... openat resumed>) = 3 [pid 306] unlink("./125/binderfs" [pid 1575] write(1, "executing program\n", 18 [pid 306] <... unlink resumed>) = 0 [pid 1574] write(3, "1000", 4 [pid 306] getdents64(3 [pid 1575] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1574] <... write resumed>) = 4 executing program [pid 306] close(3 [pid 1575] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1574] close(3 [pid 306] <... close resumed>) = 0 [pid 1575] <... socket resumed>) = 3 [pid 1574] <... close resumed>) = 0 [pid 306] rmdir("./125" [pid 1575] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1574] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 1575] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] mkdir("./126", 0777 [pid 1575] <... connect resumed>) = -1 EEXIST (File exists) [pid 1575] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1575] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1577 attached ) = 1578 [pid 1574] <... symlink resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1577] set_robust_list(0x555593f8a6a0, 24 [pid 1575] ioctl(3, PPPIOCSMRU, 0 [pid 1574] write(1, "executing program\n", 18 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1577] <... set_robust_list resumed>) = 0 [pid 1575] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 1574] <... write resumed>) = 18 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1577] rt_sigprocmask(SIG_SETMASK, [] [pid 1575] exit_group(0 [pid 1574] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1575] <... exit_group resumed>) = ? [pid 1574] <... socket resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 1577] chdir("./124" [pid 1574] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1579 [pid 1577] <... chdir resumed>) = 0 [pid 1574] <... socket resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1575] +++ exited with 0 +++ [pid 1574] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1577] <... prctl resumed>) = 0 [pid 1574] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1577] setpgid(0, 0 [pid 1574] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1577] <... setpgid resumed>) = 0 [pid 1574] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 1579 attached [pid 1577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1574] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] fstat(3 [pid 1579] set_robust_list(0x555593f8a6a0, 24 [pid 1574] <... clone3 resumed>) = 1580 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1579] <... set_robust_list resumed>) = 0 [pid 1577] <... openat resumed>) = 3 [pid 1574] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 1577] write(3, "1000", 4 [pid 1574] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1579] rt_sigprocmask(SIG_SETMASK, [] [pid 1577] <... write resumed>) = 4 [pid 1574] exit_group(0 [pid 310] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1577] close(3 [pid 1574] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1579] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1577] <... close resumed>) = 0 [pid 1579] chdir("./126" [pid 1574] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./126/binderfs" [pid 1577] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1577] <... symlink resumed>) = 0 [pid 310] unlink("./126/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1577] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 executing program [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1577] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 307] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1577] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1579] <... chdir resumed>) = 0 [pid 1577] <... socket resumed>) = 3 [pid 310] close(3 [pid 307] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1577] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 1577] <... socket resumed>) = 4 [pid 310] rmdir("./126" [pid 307] fstat(3 [pid 1579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1577] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1577] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./127", 0777 [pid 307] getdents64(3 [pid 1579] <... prctl resumed>) = 0 [pid 1577] sendfile(-1, -1, [3 [pid 1579] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 1577] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1577] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1579] <... setpgid resumed>) = 0 [pid 1579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1579] write(3, "1000", 4) = 4 [pid 1579] close(3) = 0 [pid 1577] <... clone3 resumed>) = 1581 [pid 307] newfstatat(AT_FDCWD, "./127/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1577] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1579] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1579] write(1, "executing program\n", 18) = 18 [pid 1579] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1577] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1582 [pid 307] unlink("./127/binderfs" [pid 1579] <... socket resumed>) = 3 [pid 1577] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1579] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1577] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1579] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1579] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1579] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1582 attached [pid 1577] +++ exited with 0 +++ [pid 1579] <... clone3 resumed>) = 1583 [pid 307] getdents64(3 [pid 1579] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1582] set_robust_list(0x555593f8a6a0, 24 [pid 1579] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(3 [pid 1579] <... exit_group resumed>) = ? [pid 1582] <... set_robust_list resumed>) = 0 [pid 309] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 1579] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./127" [pid 1582] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 3 [pid 307] mkdir("./128", 0777 [pid 1582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 1582] chdir("./127") = 0 [pid 1582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1582] setpgid(0, 0) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1582] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1582] write(3, "1000", 4 [pid 309] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1582] <... write resumed>) = 4 [pid 1582] close(3) = 0 [pid 1582] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] newfstatat(AT_FDCWD, "./128/binderfs" [pid 1582] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1584 [pid 1582] <... write resumed>) = 18 [pid 309] unlink("./128/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1582] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 309] getdents64(3 [pid 1582] <... socket resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1582] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] close(3 [pid 1582] <... socket resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 1582] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] rmdir("./128" [pid 1582] <... connect resumed>) = -1 EEXIST (File exists) [pid 1582] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1582] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1585 [pid 1582] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rmdir resumed>) = 0 [pid 1582] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] mkdir("./129", 0777 [pid 1582] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 1584 attached [pid 309] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1582] +++ exited with 0 +++ [pid 1584] set_robust_list(0x555593f8a6a0, 24 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1584] <... set_robust_list resumed>) = 0 [pid 1584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1584] chdir("./128" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1584] <... chdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1584] setpgid(0, 0) = 0 [pid 1584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1584] <... openat resumed>) = 3 [pid 1584] write(3, "1000", 4) = 4 [pid 1584] close(3) = 0 [pid 1584] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1584] write(1, "executing program\n", 18) = 18 [pid 1584] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1584] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1584] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1584] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1584] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1586 attached [pid 308] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1586] set_robust_list(0x555593f8a6a0, 24 [pid 1584] <... clone3 resumed>) = 1587 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1586 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1586] <... set_robust_list resumed>) = 0 [pid 1584] ioctl(3, PPPIOCSMRU, 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1586] rt_sigprocmask(SIG_SETMASK, [] [pid 1584] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1584] exit_group(0) = ? [pid 310] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 1586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1584] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 1586] chdir("./129" [pid 310] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1586] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1586] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1586] setpgid(0, 0 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1586] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] newfstatat(AT_FDCWD, "./124/binderfs" [pid 307] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 1586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 1586] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./124/binderfs" [pid 307] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1586] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./127/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 1586] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1586] close(3 [pid 310] unlink("./127/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1586] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] close(3 [pid 1586] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] newfstatat(AT_FDCWD, "./126/binderfs" [pid 310] close(3 [pid 308] rmdir("./124" [pid 307] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./127" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./126/binderfs" [pid 1586] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./125", 0777 [pid 307] newfstatat(AT_FDCWD, "./128/binderfs" [pid 310] mkdir("./128", 0777 [pid 306] <... unlink resumed>) = 0 [pid 1586] write(1, "executing program\n", 18) = 18 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 executing program [pid 1586] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./128/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1586] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 1586] <... socket resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1586] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./126" [pid 1586] sendfile(-1, -1, [3ci2-android-6-1/strace-static-x86_64: Process 1589 attached ci2-android-6-1/strace-static-x86_64: Process 1588 attached ], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1589 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1588 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 1589] set_robust_list(0x555593f8a6a0, 24 [pid 1588] set_robust_list(0x555593f8a6a0, 24 [pid 1586] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 306] mkdir("./127", 0777 [pid 1589] <... set_robust_list resumed>) = 0 [pid 1588] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./128" [pid 306] <... mkdir resumed>) = 0 [pid 1589] rt_sigprocmask(SIG_SETMASK, [] [pid 1588] rt_sigprocmask(SIG_SETMASK, [] [pid 1586] <... clone3 resumed>) = 1590 [pid 307] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1586] ioctl(3, PPPIOCSMRU, 0 [pid 307] mkdir("./129", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1589] chdir("./128" [pid 1588] chdir("./125" [pid 1586] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... mkdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1589] <... chdir resumed>) = 0 [pid 1588] <... chdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1586] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1591 [pid 1589] <... prctl resumed>) = 0 [pid 1588] <... prctl resumed>) = 0 [pid 1586] <... exit_group resumed>) = ? [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1589] setpgid(0, 0 [pid 1588] setpgid(0, 0 [pid 1586] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1589] <... setpgid resumed>) = 0 [pid 1588] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1592 [pid 1589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1592 attached ci2-android-6-1/strace-static-x86_64: Process 1591 attached [pid 1589] <... openat resumed>) = 3 [pid 1588] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1589] write(3, "1000", 4 [pid 1588] write(3, "1000", 4 [pid 1589] <... write resumed>) = 4 [pid 1588] <... write resumed>) = 4 [pid 1589] close(3 [pid 1588] close(3 [pid 1589] <... close resumed>) = 0 [pid 1588] <... close resumed>) = 0 [pid 1589] symlink("/dev/binderfs", "./binderfs" [pid 1588] symlink("/dev/binderfs", "./binderfs" [pid 1592] set_robust_list(0x555593f8a6a0, 24 [pid 1591] set_robust_list(0x555593f8a6a0, 24 [pid 1588] <... symlink resumed>) = 0 [pid 1588] write(1, "executing program\n", 18) = 18 executing program [pid 1588] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1588] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1588] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1588] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1588] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1593 [pid 1588] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1588] exit_group(0) = ? [pid 1592] <... set_robust_list resumed>) = 0 [pid 1591] <... set_robust_list resumed>) = 0 [pid 1589] <... symlink resumed>) = 0 [pid 1588] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1591] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1589] write(1, "executing program\n", 18 [pid 1592] rt_sigprocmask(SIG_SETMASK, [] [pid 1591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1589] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] unlink("./129/binderfs" [pid 1592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1591] chdir("./127" [pid 1589] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./129") = 0 [pid 1589] <... socket resumed>) = 3 [pid 309] mkdir("./130", 0777 [pid 1592] chdir("./129" [pid 1591] <... chdir resumed>) = 0 [pid 1589] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1592] <... chdir resumed>) = 0 [pid 1591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1589] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 1594 attached [pid 1592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1594] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1594 [pid 1594] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1594] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1589] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1591] <... prctl resumed>) = 0 [pid 1592] <... prctl resumed>) = 0 [pid 1594] chdir("./130" [pid 1592] setpgid(0, 0 [pid 1591] setpgid(0, 0 [pid 1589] <... connect resumed>) = -1 EEXIST (File exists) [pid 1594] <... chdir resumed>) = 0 [pid 1592] <... setpgid resumed>) = 0 [pid 1591] <... setpgid resumed>) = 0 [pid 1589] sendfile(-1, -1, [3 [pid 308] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1589] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] <... prctl resumed>) = 0 [pid 308] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1594] setpgid(0, 0 [pid 1592] <... openat resumed>) = 3 [pid 1589] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1591] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 1594] <... setpgid resumed>) = 0 [pid 1592] write(3, "1000", 4 [pid 308] fstat(3 [pid 1594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1594] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 1594] write(3, "1000", 4 [pid 1592] <... write resumed>) = 4 [pid 1591] write(3, "1000", 4 [pid 1589] <... clone3 resumed>) = 1595 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1594] <... write resumed>) = 4 [pid 1592] close(3 [pid 1591] <... write resumed>) = 4 [pid 1589] ioctl(3, PPPIOCSMRU, 0 [pid 308] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] close(3 [pid 1592] <... close resumed>) = 0 [pid 1591] close(3 [pid 1589] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] <... close resumed>) = 0 [pid 1592] symlink("/dev/binderfs", "./binderfs" [pid 1591] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./125/binderfs" [pid 1594] symlink("/dev/binderfs", "./binderfs" [pid 1591] symlink("/dev/binderfs", "./binderfs" [pid 1589] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1594] <... symlink resumed>) = 0 [pid 1592] <... symlink resumed>) = 0 [pid 1591] <... symlink resumed>) = 0 [pid 1589] <... exit_group resumed>) = ? [pid 308] unlink("./125/binderfs" [pid 1594] write(1, "executing program\n", 18 [pid 1592] write(1, "executing program\n", 18 [pid 1591] write(1, "executing program\n", 18 [pid 308] <... unlink resumed>) = 0 [pid 1594] <... write resumed>) = 18 [pid 308] getdents64(3 [pid 1594] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program executing program executing program [pid 1594] <... socket resumed>) = 3 [pid 1592] <... write resumed>) = 18 [pid 1591] <... write resumed>) = 18 [pid 1589] +++ exited with 0 +++ [pid 308] close(3 [pid 1594] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1592] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1591] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 1594] <... socket resumed>) = 4 [pid 1592] <... socket resumed>) = 3 [pid 1591] <... socket resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./125" [pid 1594] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1592] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1591] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rmdir resumed>) = 0 [pid 1594] <... connect resumed>) = -1 EEXIST (File exists) [pid 1592] <... socket resumed>) = 4 [pid 308] mkdir("./126", 0777 [pid 1592] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1591] <... socket resumed>) = 4 [pid 1594] sendfile(-1, -1, [3 [pid 1592] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 1594] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1594] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1592] sendfile(-1, -1, [3 [pid 1591] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1594] <... clone3 resumed>) = 1596 [pid 1592] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1591] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1594] ioctl(3, PPPIOCSMRU, 0 [pid 1592] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1591] sendfile(-1, -1, [3ci2-android-6-1/strace-static-x86_64: Process 1597 attached [pid 1594] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1597] set_robust_list(0x555593f8a6a0, 24 [pid 1594] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1597 [pid 1597] <... set_robust_list resumed>) = 0 [pid 1594] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1592] <... clone3 resumed>) = 1598 [pid 1591] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1597] rt_sigprocmask(SIG_SETMASK, [] [pid 1594] +++ exited with 0 +++ [pid 1592] ioctl(3, PPPIOCSMRU, 0 [pid 1591] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1592] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1597] chdir("./126") = 0 [pid 1597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1597] setpgid(0, 0) = 0 [pid 1597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1591] <... clone3 resumed>) = 1599 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1597] <... openat resumed>) = 3 [pid 1592] exit_group(0 [pid 1597] write(3, "1000", 4 [pid 1591] ioctl(3, PPPIOCSMRU, 0 [pid 1592] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1597] <... write resumed>) = 4 [pid 1591] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1597] close(3) = 0 [pid 1597] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1597] write(1, "executing program\n", 18) = 18 [pid 1592] +++ exited with 0 +++ [pid 1597] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1597] <... socket resumed>) = 3 [pid 1591] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1597] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1591] <... exit_group resumed>) = ? [pid 1597] <... socket resumed>) = 4 [pid 1597] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1597] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1597] sendfile(-1, -1, [3 [pid 310] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1597] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1591] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1597] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1597] <... clone3 resumed>) = 1600 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1597] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 1597] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... openat resumed>) = 3 [pid 1597] exit_group(0 [pid 310] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1597] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1597] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./128/binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./130/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] unlink("./128/binderfs" [pid 309] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] rmdir("./130" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 309] mkdir("./131", 0777 [pid 307] fstat(3 [pid 306] fstat(3 [pid 310] rmdir("./128" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 310] mkdir("./129", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./129/binderfs" [pid 306] newfstatat(AT_FDCWD, "./127/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1602 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1601 [pid 307] unlink("./129/binderfs" [pid 306] unlink("./127/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1602 attached ci2-android-6-1/strace-static-x86_64: Process 1601 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 306] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./129" [pid 306] rmdir("./127" [pid 1602] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 307] mkdir("./130", 0777 [pid 306] mkdir("./128", 0777 [pid 1602] <... set_robust_list resumed>) = 0 [pid 1601] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1602] rt_sigprocmask(SIG_SETMASK, [] [pid 1601] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1601] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1604 attached ci2-android-6-1/strace-static-x86_64: Process 1603 attached [pid 308] newfstatat(AT_FDCWD, "./126/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1603 [pid 1602] chdir("./129" [pid 1604] set_robust_list(0x555593f8a6a0, 24 [pid 1603] set_robust_list(0x555593f8a6a0, 24 [pid 1601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1604 [pid 1604] <... set_robust_list resumed>) = 0 [pid 1603] <... set_robust_list resumed>) = 0 [pid 308] unlink("./126/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1604] rt_sigprocmask(SIG_SETMASK, [] [pid 1603] rt_sigprocmask(SIG_SETMASK, [] [pid 1602] <... chdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 1604] chdir("./128" [pid 1603] chdir("./130" [pid 1602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1601] chdir("./131" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1604] <... chdir resumed>) = 0 [pid 1603] <... chdir resumed>) = 0 [pid 1602] <... prctl resumed>) = 0 [pid 308] close(3 [pid 1604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... close resumed>) = 0 [pid 1604] <... prctl resumed>) = 0 [pid 1603] <... prctl resumed>) = 0 [pid 308] rmdir("./126" [pid 1604] setpgid(0, 0 [pid 1603] setpgid(0, 0 [pid 1602] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 1604] <... setpgid resumed>) = 0 [pid 1603] <... setpgid resumed>) = 0 [pid 1601] <... chdir resumed>) = 0 [pid 308] mkdir("./127", 0777 [pid 1604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1602] <... setpgid resumed>) = 0 [pid 1601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1604] <... openat resumed>) = 3 [pid 1603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 1604] write(3, "1000", 4 [pid 1603] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1604] <... write resumed>) = 4 [pid 1603] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1604] close(3 [pid 1603] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1604] <... close resumed>) = 0 [pid 1602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1601] <... prctl resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1605 attached [pid 1604] symlink("/dev/binderfs", "./binderfs" [pid 1603] close(3 [pid 1602] <... openat resumed>) = 3 [pid 1605] set_robust_list(0x555593f8a6a0, 24 [pid 1604] <... symlink resumed>) = 0 [pid 1603] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1605 [pid 1605] <... set_robust_list resumed>) = 0 executing program [pid 1604] write(1, "executing program\n", 18 [pid 1603] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1605] rt_sigprocmask(SIG_SETMASK, [] [pid 1604] <... write resumed>) = 18 [pid 1603] <... symlink resumed>) = 0 [pid 1602] write(3, "1000", 4 [pid 1601] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1604] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1603] write(1, "executing program\n", 18 [pid 1602] <... write resumed>) = 4 executing program [pid 1605] chdir("./127" [pid 1604] <... socket resumed>) = 3 [pid 1603] <... write resumed>) = 18 [pid 1602] close(3 [pid 1601] <... setpgid resumed>) = 0 [pid 1605] <... chdir resumed>) = 0 [pid 1604] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1603] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1604] <... socket resumed>) = 4 [pid 1603] <... socket resumed>) = 3 [pid 1602] <... close resumed>) = 0 [pid 1601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1605] <... prctl resumed>) = 0 [pid 1604] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1603] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1602] symlink("/dev/binderfs", "./binderfs" [pid 1605] setpgid(0, 0 [pid 1604] <... connect resumed>) = -1 EEXIST (File exists) [pid 1603] <... socket resumed>) = 4 [pid 1605] <... setpgid resumed>) = 0 [pid 1604] sendfile(-1, -1, [3 [pid 1603] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1602] <... symlink resumed>) = 0 [pid 1605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1604] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1603] <... connect resumed>) = -1 EEXIST (File exists) [pid 1602] write(1, "executing program\n", 18 [pid 1601] <... openat resumed>) = 3 [pid 1605] <... openat resumed>) = 3 executing program [pid 1604] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1603] sendfile(-1, -1, [3 [pid 1602] <... write resumed>) = 18 [pid 1602] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1601] write(3, "1000", 4 [pid 1605] write(3, "1000", 4 [pid 1604] <... clone3 resumed>) = 1606 [pid 1603] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1602] <... socket resumed>) = 3 [pid 1601] <... write resumed>) = 4 [pid 1605] <... write resumed>) = 4 [pid 1604] ioctl(3, PPPIOCSMRU, 0 [pid 1603] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1605] close(3 [pid 1604] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1603] <... clone3 resumed>) = 1607 [pid 1605] <... close resumed>) = 0 [pid 1604] exit_group(0 [pid 1603] ioctl(3, PPPIOCSMRU, 0 [pid 1605] symlink("/dev/binderfs", "./binderfs" [pid 1604] <... exit_group resumed>) = ? [pid 1603] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1605] <... symlink resumed>) = 0 [pid 1604] +++ exited with 0 +++ [pid 1603] exit_group(0 [pid 1602] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1601] close(3 [pid 1605] write(1, "executing program\n", 18 [pid 1603] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1605] <... write resumed>) = 18 [pid 1603] +++ exited with 0 +++ [pid 1602] <... socket resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1605] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 1605] <... socket resumed>) = 3 executing program [pid 1602] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1605] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1602] <... connect resumed>) = -1 EEXIST (File exists) [pid 1601] <... close resumed>) = 0 [pid 1605] <... socket resumed>) = 4 [pid 1602] sendfile(-1, -1, [3 [pid 1601] symlink("/dev/binderfs", "./binderfs" [pid 307] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1605] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1602] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1605] <... connect resumed>) = -1 EEXIST (File exists) [pid 1602] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1605] sendfile(-1, -1, [3 [pid 1601] <... symlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 1605] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] fstat(3 [pid 306] fstat(3 [pid 1605] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1605] <... clone3 resumed>) = 1609 [pid 1602] <... clone3 resumed>) = 1608 [pid 1601] write(1, "executing program\n", 18 executing program [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 1605] ioctl(3, PPPIOCSMRU, 0 [pid 1602] ioctl(3, PPPIOCSMRU, 0 [pid 1601] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1605] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1602] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1601] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1605] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1605] <... exit_group resumed>) = ? [pid 1602] exit_group(0 [pid 1601] <... socket resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./130/binderfs" [pid 306] newfstatat(AT_FDCWD, "./128/binderfs" [pid 1605] +++ exited with 0 +++ [pid 1602] <... exit_group resumed>) = ? [pid 1601] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./130/binderfs" [pid 306] unlink("./128/binderfs" [pid 1602] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1601] <... socket resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 1601] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1601] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] close(3 [pid 1601] sendfile(-1, -1, [3 [pid 308] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1601] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./130" [pid 306] rmdir("./128" [pid 1601] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./131", 0777 [pid 306] mkdir("./129", 0777 [pid 1601] <... clone3 resumed>) = 1610 [pid 310] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1601] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1601] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./127/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1611 attached [pid 1601] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1611 ci2-android-6-1/strace-static-x86_64: Process 1612 attached [pid 1601] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 308] unlink("./127/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1612] set_robust_list(0x555593f8a6a0, 24 [pid 1611] set_robust_list(0x555593f8a6a0, 24 [pid 1601] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1612 [pid 1612] <... set_robust_list resumed>) = 0 [pid 310] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1612] rt_sigprocmask(SIG_SETMASK, [] [pid 1611] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./129/binderfs" [pid 308] close(3 [pid 1612] chdir("./129" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 1612] <... chdir resumed>) = 0 [pid 310] unlink("./129/binderfs" [pid 308] rmdir("./127" [pid 1612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 1612] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 308] mkdir("./128", 0777 [pid 1612] setpgid(0, 0 [pid 1611] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 1612] <... setpgid resumed>) = 0 [pid 310] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1612] <... openat resumed>) = 3 [pid 310] rmdir("./129" [pid 309] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1612] write(3, "1000", 4 [pid 1611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1613 attached [pid 1612] <... write resumed>) = 4 [pid 310] mkdir("./130", 0777 [pid 1613] set_robust_list(0x555593f8a6a0, 24 [pid 1612] close(3 [pid 1611] chdir("./131" [pid 309] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1613] <... set_robust_list resumed>) = 0 [pid 1612] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1613 [pid 1613] rt_sigprocmask(SIG_SETMASK, [] [pid 1612] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1612] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1613] chdir("./128" [pid 1612] write(1, "executing program\n", 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1614 attached [pid 1613] <... chdir resumed>) = 0 [pid 1612] <... write resumed>) = 18 [pid 1611] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1614] set_robust_list(0x555593f8a6a0, 24 [pid 1613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1612] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1614 [pid 1614] <... set_robust_list resumed>) = 0 [pid 1613] <... prctl resumed>) = 0 [pid 1612] <... socket resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1614] rt_sigprocmask(SIG_SETMASK, [] [pid 1613] setpgid(0, 0 [pid 1612] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1613] <... setpgid resumed>) = 0 [pid 1612] <... socket resumed>) = 4 [pid 309] getdents64(3 [pid 1614] chdir("./130" [pid 1613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1612] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1614] <... chdir resumed>) = 0 [pid 1613] <... openat resumed>) = 3 [pid 1612] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1613] write(3, "1000", 4 [pid 1612] sendfile(-1, -1, [3 [pid 1614] <... prctl resumed>) = 0 [pid 1613] <... write resumed>) = 4 [pid 1612] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1614] setpgid(0, 0 [pid 1613] close(3 [pid 1612] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1614] <... setpgid resumed>) = 0 [pid 1613] <... close resumed>) = 0 [pid 1611] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1613] symlink("/dev/binderfs", "./binderfs" [pid 1612] <... clone3 resumed>) = 1615 [pid 1611] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./131/binderfs" [pid 1614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1613] <... symlink resumed>) = 0 [pid 1611] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1614] <... openat resumed>) = 3 [pid 1613] write(1, "executing program\n", 18 [pid 1612] ioctl(3, PPPIOCSMRU, 0 [pid 1611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] unlink("./131/binderfs" [pid 1614] write(3, "1000", 4 [pid 1613] <... write resumed>) = 18 [pid 1612] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 1614] <... write resumed>) = 4 [pid 1613] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1612] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 1614] close(3 [pid 1613] <... socket resumed>) = 3 [pid 1612] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 1614] <... close resumed>) = 0 [pid 1613] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1611] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1614] symlink("/dev/binderfs", "./binderfs" [pid 1613] <... socket resumed>) = 4 [pid 1612] +++ exited with 0 +++ [pid 1611] write(3, "1000", 4 [pid 309] close(3 [pid 1611] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 1614] <... symlink resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1613] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1611] close(3 [pid 1614] write(1, "executing program\n", 18 executing program [pid 309] rmdir("./131" [pid 1614] <... write resumed>) = 18 [pid 1613] <... connect resumed>) = -1 EEXIST (File exists) [pid 1611] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1614] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1613] sendfile(-1, -1, [3 [pid 1611] symlink("/dev/binderfs", "./binderfs" [pid 309] mkdir("./132", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 1614] <... socket resumed>) = 3 [pid 1613] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1614] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1613] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1614] <... socket resumed>) = 4 [pid 1611] <... symlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1614] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1613] <... clone3 resumed>) = 1616 [pid 1611] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 306] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1614] <... connect resumed>) = -1 EEXIST (File exists) [pid 1613] ioctl(3, PPPIOCSMRU, 0 [pid 1611] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1614] sendfile(-1, -1, [3 [pid 1613] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1611] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1614] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1613] exit_group(0 [pid 306] <... openat resumed>) = 3 [pid 1614] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1613] <... exit_group resumed>) = ? [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1617 attached [pid 1614] <... clone3 resumed>) = 1618 [pid 1613] +++ exited with 0 +++ [pid 1611] <... socket resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1614] ioctl(3, PPPIOCSMRU, 0 [pid 1611] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1617 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 1614] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1611] <... socket resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1614] exit_group(0 [pid 1611] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1614] <... exit_group resumed>) = ? [pid 1611] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1617] set_robust_list(0x555593f8a6a0, 24 [pid 1614] +++ exited with 0 +++ [pid 1611] sendfile(-1, -1, [3 [pid 306] newfstatat(AT_FDCWD, "./129/binderfs" [pid 1617] <... set_robust_list resumed>) = 0 [pid 1611] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1617] rt_sigprocmask(SIG_SETMASK, [] [pid 1611] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./129/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 1611] <... clone3 resumed>) = 1619 [pid 308] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 1611] ioctl(3, PPPIOCSMRU, 0 [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1617] chdir("./132" [pid 1611] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rmdir("./129" [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 1611] exit_group(0 [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./130", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./128/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] unlink("./128/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1611] <... exit_group resumed>) = ? [pid 310] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./130/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1620 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./130/binderfs" [pid 308] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] rmdir("./128" [pid 1617] <... chdir resumed>) = 0 [pid 1611] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./129", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1620 attached [pid 1617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./130" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1620] set_robust_list(0x555593f8a6a0, 24 [pid 1617] <... prctl resumed>) = 0 [pid 310] mkdir("./131", 0777ci2-android-6-1/strace-static-x86_64: Process 1621 attached [pid 1620] <... set_robust_list resumed>) = 0 [pid 1617] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 1621] set_robust_list(0x555593f8a6a0, 24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1621 [pid 1621] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1621] rt_sigprocmask(SIG_SETMASK, [] [pid 1620] rt_sigprocmask(SIG_SETMASK, [] [pid 1617] <... setpgid resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 1622 attached [pid 1621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1622] set_robust_list(0x555593f8a6a0, 24 [pid 1621] chdir("./129" [pid 1620] chdir("./130" [pid 1617] <... openat resumed>) = 3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1622 [pid 1622] <... set_robust_list resumed>) = 0 [pid 1621] <... chdir resumed>) = 0 [pid 1620] <... chdir resumed>) = 0 [pid 1617] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1622] rt_sigprocmask(SIG_SETMASK, [] [pid 1621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1621] <... prctl resumed>) = 0 [pid 1620] <... prctl resumed>) = 0 [pid 1622] chdir("./131" [pid 1621] setpgid(0, 0 [pid 1620] setpgid(0, 0 [pid 1622] <... chdir resumed>) = 0 [pid 1621] <... setpgid resumed>) = 0 [pid 1620] <... setpgid resumed>) = 0 [pid 1622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1622] <... prctl resumed>) = 0 [pid 1621] <... openat resumed>) = 3 [pid 1620] <... openat resumed>) = 3 [pid 1617] <... write resumed>) = 4 [pid 1622] setpgid(0, 0 [pid 1621] write(3, "1000", 4 [pid 1620] write(3, "1000", 4 [pid 1617] close(3 [pid 1622] <... setpgid resumed>) = 0 [pid 1621] <... write resumed>) = 4 [pid 1620] <... write resumed>) = 4 [pid 1622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1621] close(3 [pid 1620] close(3 [pid 1617] <... close resumed>) = 0 [pid 1622] <... openat resumed>) = 3 [pid 1621] <... close resumed>) = 0 [pid 1620] <... close resumed>) = 0 [pid 1622] write(3, "1000", 4 [pid 1621] symlink("/dev/binderfs", "./binderfs" [pid 1620] symlink("/dev/binderfs", "./binderfs" [pid 1617] symlink("/dev/binderfs", "./binderfs" [pid 1622] <... write resumed>) = 4 [pid 1621] <... symlink resumed>) = 0 [pid 1620] <... symlink resumed>) = 0 [pid 1622] close(3 executing program [pid 1621] write(1, "executing program\n", 18 [pid 1620] write(1, "executing program\n", 18 [pid 1622] <... close resumed>) = 0 [pid 1621] <... write resumed>) = 18 executing program [pid 1620] <... write resumed>) = 18 [pid 1617] <... symlink resumed>) = 0 [pid 1622] symlink("/dev/binderfs", "./binderfs" [pid 1621] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1620] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1622] <... symlink resumed>) = 0 [pid 1621] <... socket resumed>) = 3 [pid 1620] <... socket resumed>) = 3 [pid 1617] write(1, "executing program\n", 18 [pid 1622] write(1, "executing program\n", 18 [pid 1621] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program executing program [pid 1620] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1617] <... write resumed>) = 18 [pid 1622] <... write resumed>) = 18 [pid 1621] <... socket resumed>) = 4 [pid 1620] <... socket resumed>) = 4 [pid 1622] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1621] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1620] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1617] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1622] <... socket resumed>) = 3 [pid 1621] <... connect resumed>) = 0 [pid 1620] <... connect resumed>) = -1 EEXIST (File exists) [pid 1622] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1621] sendfile(-1, -1, [3 [pid 1620] sendfile(-1, -1, [3 [pid 1617] <... socket resumed>) = 3 [pid 1622] <... socket resumed>) = 4 [pid 1621] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1620] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1617] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1622] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1621] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1620] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1622] <... connect resumed>) = -1 EEXIST (File exists) [pid 1621] <... clone3 resumed>) = 1623 [pid 1617] <... socket resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 1622] sendfile(-1, -1, [3 [pid 1621] ioctl(3, PPPIOCSMRU, 0 [pid 1620] <... clone3 resumed>) = 1624 [pid 1617] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1622] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1621] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1620] ioctl(3, PPPIOCSMRU, 0 [pid 1622] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1621] exit_group(0 [pid 1620] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1617] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1622] <... clone3 resumed>) = 1625 [pid 1621] <... exit_group resumed>) = ? [pid 1620] exit_group(0 [pid 1617] sendfile(-1, -1, [3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1622] ioctl(3, PPPIOCSMRU, 0 [pid 1621] +++ exited with 0 +++ [pid 1620] <... exit_group resumed>) = ? [pid 1617] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1622] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1620] +++ exited with 0 +++ [pid 1617] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 3 [pid 1622] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1622] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1622] +++ exited with 0 +++ [pid 1617] <... clone3 resumed>) = 1626 [pid 307] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1617] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1617] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./131/binderfs" [pid 1617] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1617] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 307] unlink("./131/binderfs" [pid 310] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 1617] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 310] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./129/binderfs" [pid 307] rmdir("./131" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./131/binderfs" [pid 308] unlink("./129/binderfs" [pid 307] mkdir("./132", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 310] unlink("./131/binderfs" [pid 308] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(3 [pid 308] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] close(3 [pid 308] rmdir("./129"ci2-android-6-1/strace-static-x86_64: Process 1627 attached [pid 310] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1627 [pid 310] rmdir("./131" [pid 308] mkdir("./130", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1627] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./132", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1627] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1627] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1628 attached [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1629 attached [pid 1628] set_robust_list(0x555593f8a6a0, 24 [pid 1627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1628 [pid 1629] set_robust_list(0x555593f8a6a0, 24 [pid 1628] <... set_robust_list resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1629 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1629] <... set_robust_list resumed>) = 0 [pid 1628] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] rt_sigprocmask(SIG_SETMASK, [] [pid 1628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1628] chdir("./130" [pid 306] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1629] chdir("./132" [pid 1628] <... chdir resumed>) = 0 [pid 1627] chdir("./132" [pid 306] <... openat resumed>) = 3 [pid 1629] <... chdir resumed>) = 0 [pid 1628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] fstat(3 [pid 1629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1628] <... prctl resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1629] <... prctl resumed>) = 0 [pid 1628] setpgid(0, 0 [pid 306] getdents64(3 [pid 1629] setpgid(0, 0 [pid 1628] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1629] <... setpgid resumed>) = 0 [pid 1628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1627] <... chdir resumed>) = 0 [pid 306] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1628] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1629] <... openat resumed>) = 3 [pid 1628] write(3, "1000", 4 [pid 1627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] newfstatat(AT_FDCWD, "./130/binderfs" [pid 1629] write(3, "1000", 4 [pid 1628] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1629] <... write resumed>) = 4 [pid 1628] close(3 [pid 306] unlink("./130/binderfs" [pid 1629] close(3 [pid 1628] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1629] <... close resumed>) = 0 [pid 1628] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 1629] symlink("/dev/binderfs", "./binderfs" [pid 1628] <... symlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1629] <... symlink resumed>) = 0 executing program [pid 1628] write(1, "executing program\n", 18 [pid 1627] <... prctl resumed>) = 0 [pid 306] close(3 [pid 1629] write(1, "executing program\n", 18 [pid 1628] <... write resumed>) = 18 [pid 306] <... close resumed>) = 0 [pid 1629] <... write resumed>) = 18 [pid 1628] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] rmdir("./130" [pid 1629] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1628] <... socket resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 1629] <... socket resumed>) = 3 [pid 1628] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1627] setpgid(0, 0 [pid 309] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./131", 0777 [pid 1629] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1628] <... socket resumed>) = 4 [pid 1627] <... setpgid resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1629] <... socket resumed>) = 4 [pid 1628] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] fstat(3 [pid 306] <... mkdir resumed>) = 0 [pid 1629] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1628] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1629] <... connect resumed>) = -1 EEXIST (File exists) [pid 1628] sendfile(-1, -1, [3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1629] sendfile(-1, -1, [3 [pid 1628] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1629] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1628] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1627] <... openat resumed>) = 3 [pid 309] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1627] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1627] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./132/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1630 [pid 1627] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1628] <... clone3 resumed>) = 1631 [pid 1627] <... close resumed>) = 0 [pid 309] unlink("./132/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1630 attached [pid 1629] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1628] ioctl(3, PPPIOCSMRU, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1627] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1627] <... symlink resumed>) = 0 [pid 309] getdents64(3 [pid 1627] write(1, "executing program\n", 18 [pid 1629] <... clone3 resumed>) = 1632 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1630] set_robust_list(0x555593f8a6a0, 24 [pid 1629] ioctl(3, PPPIOCSMRU, 0 [pid 1628] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1630] <... set_robust_list resumed>) = 0 [pid 1629] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 1628] exit_group(0 [pid 1627] <... write resumed>) = 18 [pid 1630] rt_sigprocmask(SIG_SETMASK, [] [pid 1629] exit_group(0 [pid 1628] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 1630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1629] <... exit_group resumed>) = ? [pid 1627] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] rmdir("./132" [pid 1630] chdir("./131" [pid 1629] +++ exited with 0 +++ [pid 1628] +++ exited with 0 +++ [pid 1627] <... socket resumed>) = 3 [pid 1630] <... chdir resumed>) = 0 [pid 1627] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rmdir resumed>) = 0 [pid 1630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./133", 0777 [pid 1630] <... prctl resumed>) = 0 [pid 310] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1628, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1630] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1630] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1627] <... socket resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1630] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 1630] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 1630] <... write resumed>) = 4 [pid 1627] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1630] close(3 [pid 1627] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 1630] <... close resumed>) = 0 [pid 1627] sendfile(-1, -1, [3 [pid 310] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1630] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1630] <... symlink resumed>) = 0 [pid 1627] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./132/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1630] write(1, "executing program\n", 18 executing program [pid 1627] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1633 [pid 308] newfstatat(AT_FDCWD, "./130/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1633 attached [pid 1630] <... write resumed>) = 18 [pid 310] unlink("./132/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1630] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./130/binderfs" [pid 1630] <... socket resumed>) = 3 [pid 310] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 1630] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 1630] <... socket resumed>) = 4 [pid 1627] <... clone3 resumed>) = 1634 [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1630] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... close resumed>) = 0 [pid 308] close(3 [pid 1630] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./132" [pid 308] <... close resumed>) = 0 [pid 1630] sendfile(-1, -1, [3 [pid 310] <... rmdir resumed>) = 0 [pid 1627] ioctl(3, PPPIOCSMRU, 0 [pid 308] rmdir("./130" [pid 1630] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1627] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] mkdir("./133", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 1633] set_robust_list(0x555593f8a6a0, 24 [pid 1630] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1627] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 308] mkdir("./131", 0777 [pid 1633] <... set_robust_list resumed>) = 0 [pid 1630] <... clone3 resumed>) = 1635 [pid 1627] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1630] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 1630] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1630] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1630] <... exit_group resumed>) = ? [pid 1627] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1636 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1636 attached [pid 1633] rt_sigprocmask(SIG_SETMASK, [] [pid 1630] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1636] set_robust_list(0x555593f8a6a0, 24 [pid 1633] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1637 attached [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1637 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1637] set_robust_list(0x555593f8a6a0, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1637] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1637] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1633] chdir("./133" [pid 307] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1637] chdir("./131" [pid 1633] <... chdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1637] <... chdir resumed>) = 0 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 1637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 1637] <... prctl resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1637] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 1637] <... setpgid resumed>) = 0 [pid 307] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1637] <... openat resumed>) = 3 [pid 1636] <... set_robust_list resumed>) = 0 [pid 1633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] newfstatat(AT_FDCWD, "./132/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1637] write(3, "1000", 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./131/binderfs" [pid 1637] <... write resumed>) = 4 [pid 307] unlink("./132/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1637] close(3 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./131/binderfs" [pid 1637] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 1637] symlink("/dev/binderfs", "./binderfs" [pid 1633] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 1637] <... symlink resumed>) = 0 [pid 1636] rt_sigprocmask(SIG_SETMASK, [] [pid 1633] setpgid(0, 0 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1637] write(1, "executing program\n", 18 [pid 1633] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 executing program [pid 306] close(3 [pid 1637] <... write resumed>) = 18 [pid 307] rmdir("./132" [pid 306] <... close resumed>) = 0 [pid 1637] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./131" [pid 1637] <... socket resumed>) = 3 [pid 307] mkdir("./133", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 1637] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./132", 0777 [pid 1637] <... socket resumed>) = 4 [pid 1636] chdir("./133" [pid 1633] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 1637] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1633] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1637] <... connect resumed>) = -1 EEXIST (File exists) [pid 1633] <... write resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1637] sendfile(-1, -1, [3 [pid 1636] <... chdir resumed>) = 0 [pid 1633] close(3ci2-android-6-1/strace-static-x86_64: Process 1638 attached [pid 1637] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1633] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1639 attached [pid 1638] set_robust_list(0x555593f8a6a0, 24 [pid 1637] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1636] <... prctl resumed>) = 0 [pid 1633] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1638 [pid 1638] <... set_robust_list resumed>) = 0 [pid 1637] <... clone3 resumed>) = 1640 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1639 [pid 1638] rt_sigprocmask(SIG_SETMASK, [] [pid 1637] ioctl(3, PPPIOCSMRU, 0 [pid 1636] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1637] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1636] <... setpgid resumed>) = 0 [pid 1633] <... symlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1639] set_robust_list(0x555593f8a6a0, 24 [pid 1638] chdir("./133" [pid 1637] exit_group(0 [pid 1638] <... chdir resumed>) = 0 [pid 1637] <... exit_group resumed>) = ? [pid 1639] <... set_robust_list resumed>) = 0 [pid 1636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1633] write(1, "executing program\n", 18 [pid 1639] rt_sigprocmask(SIG_SETMASK, [] [pid 1638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1637] +++ exited with 0 +++ [pid 1638] <... prctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1638] setpgid(0, 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1638] <... setpgid resumed>) = 0 [pid 1638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1638] write(3, "1000", 4) = 4 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 1638] close(3 [pid 1636] <... openat resumed>) = 3 [pid 1633] <... write resumed>) = 18 [pid 1639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1638] <... close resumed>) = 0 [pid 1636] write(3, "1000", 4 [pid 1633] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1638] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1638] <... symlink resumed>) = 0 [pid 1636] <... write resumed>) = 4 [pid 1633] <... socket resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1638] write(1, "executing program\n", 18 [pid 308] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1638] <... write resumed>) = 18 [pid 308] <... openat resumed>) = 3 [pid 1638] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 308] fstat(3 [pid 1638] <... socket resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1638] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1633] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] getdents64(3 [pid 1638] <... socket resumed>) = 4 [pid 1636] close(3 [pid 1633] <... socket resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1638] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1638] <... connect resumed>) = -1 EEXIST (File exists) [pid 1633] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1638] sendfile(-1, -1, [3 [pid 308] newfstatat(AT_FDCWD, "./131/binderfs" [pid 1638] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1636] <... close resumed>) = 0 [pid 1633] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1638] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] unlink("./131/binderfs" [pid 1639] chdir("./132" [pid 1636] symlink("/dev/binderfs", "./binderfs" [pid 1633] sendfile(-1, -1, [3 [pid 308] <... unlink resumed>) = 0 [pid 1639] <... chdir resumed>) = 0 [pid 1638] <... clone3 resumed>) = 1641 [pid 308] getdents64(3 [pid 1638] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1638] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1636] <... symlink resumed>) = 0 [pid 1633] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] close(3 [pid 1639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1638] exit_group(0 [pid 1636] write(1, "executing program\n", 18 [pid 1633] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... close resumed>) = 0 [pid 1639] <... prctl resumed>) = 0 [pid 1638] <... exit_group resumed>) = ? [pid 1636] <... write resumed>) = 18 executing program [pid 308] rmdir("./131" [pid 1639] setpgid(0, 0 [pid 1638] +++ exited with 0 +++ [pid 1636] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1633] <... clone3 resumed>) = 1642 [pid 308] <... rmdir resumed>) = 0 [pid 1636] <... socket resumed>) = 3 [pid 308] mkdir("./132", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1639] <... setpgid resumed>) = 0 [pid 1636] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1633] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1636] <... socket resumed>) = 4 [pid 1633] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1643 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1643 attached [pid 1643] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1643] chdir("./132") = 0 [pid 1643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1643] setpgid(0, 0) = 0 [pid 1643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1643] write(3, "1000", 4 [pid 1633] exit_group(0 [pid 1636] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1643] <... write resumed>) = 4 [pid 1639] <... openat resumed>) = 3 [pid 1636] <... connect resumed>) = -1 EEXIST (File exists) [pid 1633] <... exit_group resumed>) = ? [pid 1643] close(3) = 0 [pid 1643] symlink("/dev/binderfs", "./binderfs" [pid 1636] sendfile(-1, -1, [3 [pid 1643] <... symlink resumed>) = 0 [pid 1643] write(1, "executing program\n", 18) = 18 [pid 1643] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1643] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 1633] +++ exited with 0 +++ executing program [pid 1639] write(3, "1000", 4 [pid 1636] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1639] <... write resumed>) = 4 [pid 1636] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1639] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1639] <... close resumed>) = 0 [pid 1636] <... clone3 resumed>) = 1644 [pid 307] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1639] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./133/binderfs" [pid 1639] <... symlink resumed>) = 0 [pid 1636] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... unlink resumed>) = 0 [pid 1639] write(1, "executing program\n", 18 executing program [pid 307] getdents64(3 [pid 1639] <... write resumed>) = 18 [pid 1636] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1639] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] close(3 [pid 1636] exit_group(0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./133") = 0 [pid 307] mkdir("./134", 0777) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1639] <... socket resumed>) = 3 [pid 1636] <... exit_group resumed>) = ? [pid 1639] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1645 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1643] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1643] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1643] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1645 attached ) = 1646 [pid 1639] <... socket resumed>) = 4 [pid 1636] +++ exited with 0 +++ [pid 1643] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1643] exit_group(0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1643] <... exit_group resumed>) = ? [pid 1645] set_robust_list(0x555593f8a6a0, 24 [pid 1639] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1645] <... set_robust_list resumed>) = 0 [pid 1643] +++ exited with 0 +++ [pid 1639] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1645] chdir("./134" [pid 1639] sendfile(-1, -1, [3 [pid 1645] <... chdir resumed>) = 0 [pid 1645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1645] setpgid(0, 0) = 0 [pid 1645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1639] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1645] write(3, "1000", 4) = 4 [pid 1645] close(3) = 0 [pid 1645] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1639] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1645] write(1, "executing program\n", 18) = 18 [pid 1645] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1645] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1645] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) executing program [pid 1645] sendfile(-1, -1, [3 [pid 1639] <... clone3 resumed>) = 1647 [pid 1645] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1645] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1648 [pid 308] <... restart_syscall resumed>) = 0 [pid 1645] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1645] exit_group(0 [pid 308] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1645] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1645] +++ exited with 0 +++ [pid 1639] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./132/binderfs") = 0 [pid 1639] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./132") = 0 [pid 308] mkdir("./133", 0777 [pid 1639] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1649 attached [pid 1639] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1649 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./133/binderfs") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 307] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1639] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./133" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1649] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] mkdir("./134", 0777 [pid 309] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 1649] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1649] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 1650 attached [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1650] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1650 [pid 307] newfstatat(AT_FDCWD, "./134/binderfs" [pid 1650] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1650] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./134/binderfs" [pid 1650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1650] chdir("./134" [pid 309] fstat(3 [pid 307] getdents64(3 [pid 1650] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] close(3 [pid 1650] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 1650] setpgid(0, 0 [pid 307] rmdir("./134" [pid 1650] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... rmdir resumed>) = 0 [pid 1650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./135", 0777 [pid 1649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1649] chdir("./133" [pid 309] newfstatat(AT_FDCWD, "./133/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 1650] <... openat resumed>) = 3 [pid 1649] <... chdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1650] write(3, "1000", 4 [pid 309] unlink("./133/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1650] <... write resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... unlink resumed>) = 0 [pid 1650] close(3 [pid 1649] <... prctl resumed>) = 0 [pid 309] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1651 attached [pid 1650] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1651 [pid 306] <... restart_syscall resumed>) = 0 [pid 1651] set_robust_list(0x555593f8a6a0, 24 [pid 1650] symlink("/dev/binderfs", "./binderfs" [pid 309] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1651] <... set_robust_list resumed>) = 0 [pid 1650] <... symlink resumed>) = 0 [pid 1649] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1651] rt_sigprocmask(SIG_SETMASK, [] [pid 1650] write(1, "executing program\n", 18 executing program [pid 309] rmdir("./133" [pid 306] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1650] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1651] chdir("./135" [pid 1650] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1649] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1651] <... chdir resumed>) = 0 [pid 1650] <... socket resumed>) = 3 [pid 309] mkdir("./134", 0777 [pid 306] <... openat resumed>) = 3 [pid 1651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1650] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] fstat(3 [pid 1651] <... prctl resumed>) = 0 [pid 1650] <... socket resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1651] setpgid(0, 0 [pid 1650] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 1651] <... setpgid resumed>) = 0 [pid 1650] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1650] sendfile(-1, -1, [3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1651] <... openat resumed>) = 3 [pid 1650] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1651] write(3, "1000", 4 [pid 1650] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] newfstatat(AT_FDCWD, "./132/binderfs" [pid 1651] <... write resumed>) = 4 [pid 1650] <... clone3 resumed>) = 1652 [pid 1649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 1653 attached [pid 1651] close(3 [pid 1650] ioctl(3, PPPIOCSMRU, 0 [pid 1649] <... openat resumed>) = 3 [pid 306] unlink("./132/binderfs" [pid 1653] set_robust_list(0x555593f8a6a0, 24 [pid 1650] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1649] write(3, "1000", 4 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1653 [pid 1653] <... set_robust_list resumed>) = 0 [pid 1649] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 1653] rt_sigprocmask(SIG_SETMASK, [] [pid 1650] exit_group(0 [pid 1649] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 1653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1650] <... exit_group resumed>) = ? [pid 1649] <... close resumed>) = 0 [pid 1653] chdir("./134" [pid 1649] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1653] <... chdir resumed>) = 0 [pid 1650] +++ exited with 0 +++ [pid 1649] <... symlink resumed>) = 0 [pid 1653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1649] write(1, "executing program\n", 18 [pid 306] close(3 [pid 1653] <... prctl resumed>) = 0 [pid 1649] <... write resumed>) = 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1653] setpgid(0, 0 executing program [pid 1649] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 1653] <... setpgid resumed>) = 0 [pid 1651] <... close resumed>) = 0 [pid 1649] <... socket resumed>) = 3 [pid 306] rmdir("./132" [pid 1653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1649] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1651] symlink("/dev/binderfs", "./binderfs" [pid 1649] <... socket resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 1653] <... openat resumed>) = 3 [pid 1651] <... symlink resumed>) = 0 [pid 1649] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] mkdir("./133", 0777 [pid 1653] write(3, "1000", 4 [pid 1649] <... connect resumed>) = -1 EEXIST (File exists) [pid 1651] write(1, "executing program\n", 18 [pid 1649] sendfile(-1, -1, [3 [pid 306] <... mkdir resumed>) = 0 [pid 1653] <... write resumed>) = 4 [pid 1651] <... write resumed>) = 18 executing program [pid 1649] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1651] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1649] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1651] <... socket resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1651] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1649] <... clone3 resumed>) = 1655 [pid 1653] close(3 [pid 1651] <... socket resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1654 [pid 1651] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1649] ioctl(3, PPPIOCSMRU, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1653] <... close resumed>) = 0 [pid 1651] <... connect resumed>) = -1 EEXIST (File exists) [pid 1649] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1651] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1651] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1649] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 1654 attached [pid 1653] symlink("/dev/binderfs", "./binderfs" [pid 1651] <... clone3 resumed>) = 1656 [pid 1649] <... exit_group resumed>) = ? [pid 1651] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1651] exit_group(0) = ? [pid 1653] <... symlink resumed>) = 0 [pid 1651] +++ exited with 0 +++ [pid 1649] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1653] write(1, "executing program\n", 18 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1654] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1654] chdir("./133") = 0 [pid 1654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1654] setpgid(0, 0) = 0 executing program [pid 1654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1653] <... write resumed>) = 18 [pid 1654] <... openat resumed>) = 3 [pid 1654] write(3, "1000", 4) = 4 [pid 1654] close(3) = 0 [pid 1654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1654] write(1, "executing program\n", 18) = 18 [pid 1653] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 1654] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1654] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1654] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1654] sendfile(-1, -1, [3 [pid 1653] <... socket resumed>) = 3 [pid 1654] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1654] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1653] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1654] <... clone3 resumed>) = 1657 [pid 1653] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1654] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1653] <... connect resumed>) = -1 EEXIST (File exists) [pid 1654] exit_group(0) = ? [pid 1653] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1653] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1654] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 1653] <... clone3 resumed>) = 1658 [pid 1653] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1653] exit_group(0) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1653] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./134/binderfs") = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 306] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./134" [pid 306] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] mkdir("./135", 0777 [pid 307] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 306] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1659 [pid 308] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./133/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./133/binderfs" [pid 308] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./135/binderfs" [pid 306] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./133/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./135/binderfs" [pid 306] close(3 [pid 308] unlink("./133/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1659 attached [pid 308] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 306] rmdir("./133" [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1659] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1659] <... set_robust_list resumed>) = 0 [pid 1659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1659] chdir("./135" [pid 308] close(3 [pid 307] close(3 [pid 306] mkdir("./134", 0777 [pid 1659] <... chdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rmdir("./133" [pid 307] rmdir("./135" [pid 306] <... mkdir resumed>) = 0 [pid 1659] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1659] setpgid(0, 0 [pid 309] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./134", 0777 [pid 307] mkdir("./136", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1659] <... setpgid resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1659] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1660 attached ci2-android-6-1/strace-static-x86_64: Process 1661 attached [pid 1659] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1660 [pid 1661] set_robust_list(0x555593f8a6a0, 24 [pid 1659] <... write resumed>) = 4 [pid 309] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1661 [pid 1661] <... set_robust_list resumed>) = 0 [pid 1659] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1662 [pid 1661] rt_sigprocmask(SIG_SETMASK, [] [pid 1659] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./134/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1659] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1662 attached [pid 1661] chdir("./134" [pid 1660] set_robust_list(0x555593f8a6a0, 24 [pid 1659] <... symlink resumed>) = 0 [pid 309] unlink("./134/binderfs" [pid 1661] <... chdir resumed>) = 0 [pid 1659] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 executing program [pid 1661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1659] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 1661] <... prctl resumed>) = 0 [pid 1659] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1661] setpgid(0, 0 [pid 1660] <... set_robust_list resumed>) = 0 [pid 1659] <... socket resumed>) = 3 [pid 309] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1661] <... setpgid resumed>) = 0 [pid 1659] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... close resumed>) = 0 [pid 1662] set_robust_list(0x555593f8a6a0, 24 [pid 1661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1660] rt_sigprocmask(SIG_SETMASK, [] [pid 1659] <... socket resumed>) = 4 [pid 309] rmdir("./134" [pid 1662] <... set_robust_list resumed>) = 0 [pid 1661] <... openat resumed>) = 3 [pid 1660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1659] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... rmdir resumed>) = 0 [pid 1661] write(3, "1000", 4 [pid 1659] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] mkdir("./135", 0777 [pid 1662] rt_sigprocmask(SIG_SETMASK, [] [pid 1661] <... write resumed>) = 4 [pid 1660] chdir("./134" [pid 1659] sendfile(-1, -1, [3 [pid 1661] close(3 [pid 1659] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1661] <... close resumed>) = 0 [pid 1659] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1660] <... chdir resumed>) = 0 [pid 1661] symlink("/dev/binderfs", "./binderfs" [pid 1660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1659] <... clone3 resumed>) = 1663 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1662] chdir("./136" [pid 1661] <... symlink resumed>) = 0 [pid 1659] ioctl(3, PPPIOCSMRU, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1662] <... chdir resumed>) = 0 [pid 1661] write(1, "executing program\n", 18 [pid 1660] <... prctl resumed>) = 0 [pid 1659] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program ci2-android-6-1/strace-static-x86_64: Process 1664 attached [pid 1661] <... write resumed>) = 18 [pid 1659] exit_group(0 [pid 1664] set_robust_list(0x555593f8a6a0, 24 [pid 1661] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1660] setpgid(0, 0 [pid 1659] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1664 [pid 1664] <... set_robust_list resumed>) = 0 [pid 1662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1661] <... socket resumed>) = 3 [pid 1660] <... setpgid resumed>) = 0 [pid 1664] rt_sigprocmask(SIG_SETMASK, [] [pid 1662] <... prctl resumed>) = 0 [pid 1661] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1659] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1661] <... socket resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1664] chdir("./135" [pid 1661] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1664] <... chdir resumed>) = 0 [pid 1661] <... connect resumed>) = -1 EEXIST (File exists) [pid 1660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1661] sendfile(-1, -1, [3 [pid 1664] <... prctl resumed>) = 0 [pid 1661] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1664] setpgid(0, 0 [pid 1661] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1662] setpgid(0, 0 [pid 1660] <... openat resumed>) = 3 [pid 1661] <... clone3 resumed>) = 1665 [pid 1664] <... setpgid resumed>) = 0 [pid 1662] <... setpgid resumed>) = 0 [pid 1661] ioctl(3, PPPIOCSMRU, 0 [pid 1660] write(3, "1000", 4 [pid 1664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1661] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1664] <... openat resumed>) = 3 [pid 1661] exit_group(0 [pid 1660] <... write resumed>) = 4 [pid 1664] write(3, "1000", 4 [pid 1662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1661] <... exit_group resumed>) = ? [pid 1660] close(3 [pid 1664] <... write resumed>) = 4 [pid 1662] <... openat resumed>) = 3 [pid 1661] +++ exited with 0 +++ [pid 1660] <... close resumed>) = 0 [pid 1664] close(3 [pid 1660] symlink("/dev/binderfs", "./binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1664] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1664] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1660] <... symlink resumed>) = 0 [pid 1664] write(1, "executing program\n", 18) = 18 [pid 1660] write(1, "executing program\n", 18 executing program executing program [pid 1664] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1660] <... write resumed>) = 18 [pid 1664] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1662] write(3, "1000", 4 [pid 1664] <... socket resumed>) = 4 [pid 1660] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1664] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1662] <... write resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 1664] <... connect resumed>) = -1 EEXIST (File exists) [pid 1660] <... socket resumed>) = 3 [pid 1664] sendfile(-1, -1, [3 [pid 1662] close(3 [pid 1660] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1664] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1664] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1660] <... socket resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1664] <... clone3 resumed>) = 1666 [pid 1662] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1664] ioctl(3, PPPIOCSMRU, 0 [pid 1660] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... openat resumed>) = 3 [pid 1664] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1662] symlink("/dev/binderfs", "./binderfs" [pid 1660] <... connect resumed>) = -1 EEXIST (File exists) [pid 1664] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] fstat(3 [pid 1664] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1664] +++ exited with 0 +++ [pid 1662] <... symlink resumed>) = 0 [pid 1660] sendfile(-1, -1, [3 [pid 1662] write(1, "executing program\n", 18 [pid 1660] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] getdents64(3 [pid 1662] <... write resumed>) = 18 [pid 1660] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./134/binderfs" [pid 1660] <... clone3 resumed>) = 1667 [pid 310] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1662] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 308] unlink("./134/binderfs" [pid 1660] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 1662] <... socket resumed>) = 3 [pid 1660] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] getdents64(3 [pid 1660] exit_group(0 [pid 310] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1662] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1660] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 1662] <... socket resumed>) = 4 [pid 1660] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./135/binderfs" [pid 308] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./134" [pid 310] unlink("./135/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 1662] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... unlink resumed>) = 0 [pid 308] mkdir("./135", 0777 [pid 1662] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 309] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1662] sendfile(-1, -1, [3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1662] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 309] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1662] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./135" [pid 309] fstat(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1662] <... clone3 resumed>) = 1669 [pid 310] mkdir("./136", 0777 [pid 309] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1668 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1662] ioctl(3, PPPIOCSMRU, 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./135/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1670 attached [pid 1662] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1670 [pid 309] unlink("./135/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1662] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./135") = 0 [pid 309] mkdir("./136", 0777ci2-android-6-1/strace-static-x86_64: Process 1668 attached [pid 1670] set_robust_list(0x555593f8a6a0, 24 [pid 1662] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1671 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1671 attached [pid 1662] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1662, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1671] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1670] <... set_robust_list resumed>) = 0 [pid 1671] chdir("./136") = 0 [pid 1671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1671] setpgid(0, 0) = 0 [pid 1671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1670] rt_sigprocmask(SIG_SETMASK, [] [pid 1671] <... openat resumed>) = 3 [pid 1671] write(3, "1000", 4) = 4 [pid 1671] close(3) = 0 [pid 1671] symlink("/dev/binderfs", "./binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 1670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1668] set_robust_list(0x555593f8a6a0, 24 [pid 1671] <... symlink resumed>) = 0 [pid 1671] write(1, "executing program\n", 18) = 18 [pid 1671] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 1671] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1671] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1670] chdir("./136" [pid 1671] sendfile(-1, -1, [3 [pid 1670] <... chdir resumed>) = 0 [pid 306] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1671] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1671] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1668] <... set_robust_list resumed>) = 0 [pid 306] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1670] <... prctl resumed>) = 0 [pid 1670] setpgid(0, 0 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 1670] <... setpgid resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(3 [pid 1671] <... clone3 resumed>) = 1672 [pid 1671] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1671] exit_group(0) = ? [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1670] <... openat resumed>) = 3 [pid 306] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] write(3, "1000", 4 [pid 1671] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1668] rt_sigprocmask(SIG_SETMASK, [] [pid 1670] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1670] close(3 [pid 306] newfstatat(AT_FDCWD, "./134/binderfs" [pid 1670] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1670] symlink("/dev/binderfs", "./binderfs" [pid 306] unlink("./134/binderfs" [pid 1670] <... symlink resumed>) = 0 [pid 1670] write(1, "executing program\n", 18 [pid 306] <... unlink resumed>) = 0 [pid 1670] <... write resumed>) = 18 executing program [pid 306] getdents64(3 [pid 1670] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1670] <... socket resumed>) = 3 [pid 306] close(3 [pid 1670] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... close resumed>) = 0 [pid 1670] <... socket resumed>) = 4 [pid 306] rmdir("./134" [pid 1670] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... rmdir resumed>) = 0 [pid 1670] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] mkdir("./135", 0777 [pid 1670] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1670] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1670] <... clone3 resumed>) = 1673 [pid 1670] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1670] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 1674 attached [pid 1670] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1674 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./136/binderfs" [pid 307] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./136/binderfs" [pid 307] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1674] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 309] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1674] <... set_robust_list resumed>) = 0 [pid 1668] chdir("./135" [pid 310] rmdir("./136" [pid 309] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1674] rt_sigprocmask(SIG_SETMASK, [] [pid 1668] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./137", 0777 [pid 309] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./136/binderfs" [pid 1674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 307] unlink("./136/binderfs" [pid 1668] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... unlink resumed>) = 0 [pid 1674] chdir("./135" [pid 1668] setpgid(0, 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1675 attached [pid 1674] <... chdir resumed>) = 0 [pid 1668] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1675 [pid 309] newfstatat(AT_FDCWD, "./136/binderfs" [pid 307] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 1675] set_robust_list(0x555593f8a6a0, 24 [pid 1674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./136/binderfs" [pid 307] rmdir("./136" [pid 1675] <... set_robust_list resumed>) = 0 [pid 1674] <... prctl resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1668] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 307] mkdir("./137", 0777 [pid 1674] setpgid(0, 0 [pid 1668] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1675] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./136" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1674] <... setpgid resumed>) = 0 [pid 1668] <... write resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1676 attached [pid 309] mkdir("./137", 0777 [pid 1675] chdir("./137" [pid 1674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1668] close(3 [pid 1676] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1676 [pid 1674] <... openat resumed>) = 3 [pid 1668] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1676] <... set_robust_list resumed>) = 0 [pid 1674] write(3, "1000", 4 [pid 1668] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1676] rt_sigprocmask(SIG_SETMASK, [] [pid 1674] <... write resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1675] <... chdir resumed>) = 0 [pid 1674] close(3 [pid 1668] <... symlink resumed>) = 0 [pid 1676] chdir("./137" [pid 1674] <... close resumed>) = 0 [pid 1668] write(1, "executing program\n", 18 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1677 executing program [pid 1676] <... chdir resumed>) = 0 [pid 1674] symlink("/dev/binderfs", "./binderfs" [pid 1668] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1676] <... prctl resumed>) = 0 [pid 1676] setpgid(0, 0) = 0 [pid 1674] <... symlink resumed>) = 0 [pid 1674] write(1, "executing program\n", 18 [pid 1668] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1674] <... write resumed>) = 18 executing program [pid 1676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1674] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1668] <... socket resumed>) = 3 [pid 1676] <... openat resumed>) = 3 [pid 1674] <... socket resumed>) = 3 [pid 1668] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1676] write(3, "1000", 4) = 4 [pid 1676] close(3) = 0 [pid 1676] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1676] write(1, "executing program\n", 18) = 18 [pid 1676] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1676] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1676] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 executing program [pid 1674] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1668] <... socket resumed>) = 4 [pid 1676] <... connect resumed>) = 0 [pid 1674] <... socket resumed>) = 4 [pid 1668] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1676] sendfile(-1, -1, [3 [pid 1674] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1668] <... connect resumed>) = -1 EEXIST (File exists) [pid 1674] <... connect resumed>) = -1 EEXIST (File exists) [pid 1668] sendfile(-1, -1, [3 [pid 1674] sendfile(-1, -1, [3 [pid 1668] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1674] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1668] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1674] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1676] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1676] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1679 [pid 1668] <... clone3 resumed>) = 1678 [pid 1676] ioctl(3, PPPIOCSMRU, 0) = -1 ENOSYS (Function not implemented) [pid 1676] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 1677 attached [pid 1676] +++ exited with 0 +++ [pid 1675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1674] <... clone3 resumed>) = 1680 [pid 1668] ioctl(3, PPPIOCSMRU, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1675] <... prctl resumed>) = 0 [pid 1674] ioctl(3, PPPIOCSMRU, 0 [pid 1668] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1677] set_robust_list(0x555593f8a6a0, 24 [pid 1675] setpgid(0, 0) = 0 [pid 1675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1675] write(3, "1000", 4 [pid 1674] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1668] exit_group(0 [pid 1675] <... write resumed>) = 4 [pid 1675] close(3) = 0 [pid 1675] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1675] write(1, "executing program\n", 18) = 18 executing program [pid 1674] exit_group(0 [pid 1668] <... exit_group resumed>) = ? [pid 1675] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1675] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1675] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1675] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1675] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1681 [pid 1675] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1677] <... set_robust_list resumed>) = 0 [pid 1675] exit_group(0 [pid 1674] <... exit_group resumed>) = ? [pid 1668] +++ exited with 0 +++ [pid 1675] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1675] +++ exited with 0 +++ [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1674] +++ exited with 0 +++ [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 1677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1677] chdir("./137" [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1677] <... chdir resumed>) = 0 [pid 308] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./135/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./135" [pid 1677] <... prctl resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./136", 0777 [pid 307] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1677] setpgid(0, 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1677] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1682 attached [pid 1677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1682] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1682 [pid 307] getdents64(3 [pid 1682] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1682] rt_sigprocmask(SIG_SETMASK, [] [pid 1677] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] chdir("./136" [pid 307] newfstatat(AT_FDCWD, "./137/binderfs" [pid 1682] <... chdir resumed>) = 0 [pid 1677] write(3, "1000", 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] unlink("./137/binderfs" [pid 1682] <... prctl resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 1682] setpgid(0, 0 [pid 307] getdents64(3 [pid 1682] <... setpgid resumed>) = 0 [pid 1677] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1677] close(3 [pid 307] close(3 [pid 1682] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] write(3, "1000", 4 [pid 307] rmdir("./137" [pid 1682] <... write resumed>) = 4 [pid 1677] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1682] close(3 [pid 1677] symlink("/dev/binderfs", "./binderfs" [pid 307] mkdir("./138", 0777 [pid 1682] <... close resumed>) = 0 [pid 1677] <... symlink resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 1682] symlink("/dev/binderfs", "./binderfs" [pid 1677] write(1, "executing program\n", 18 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(3 [pid 1682] <... symlink resumed>) = 0 [pid 1677] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1682] write(1, "executing program\n", 18 [pid 1677] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1682] <... write resumed>) = 18 [pid 1677] <... socket resumed>) = 3 [pid 1682] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1683 [pid 1682] <... socket resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1682] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1682] <... socket resumed>) = 4 [pid 1682] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 executing program [pid 310] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] <... connect resumed>) = -1 EEXIST (File exists) [pid 1677] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 1682] sendfile(-1, -1, [3 [pid 1677] <... socket resumed>) = 4 [pid 310] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1682] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1677] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1682] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1677] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1683 attached [pid 1682] <... clone3 resumed>) = 1684 [pid 1677] sendfile(-1, -1, [3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] ioctl(3, PPPIOCSMRU, 0 [pid 1677] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1682] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1683] set_robust_list(0x555593f8a6a0, 24 [pid 1682] exit_group(0 [pid 1677] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1683] <... set_robust_list resumed>) = 0 [pid 1682] <... exit_group resumed>) = ? [pid 1677] <... clone3 resumed>) = 1685 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1683] rt_sigprocmask(SIG_SETMASK, [] [pid 1677] ioctl(3, PPPIOCSMRU, 0 [pid 306] newfstatat(AT_FDCWD, "./135/binderfs" [pid 1683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1677] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1683] chdir("./138" [pid 1682] +++ exited with 0 +++ [pid 1677] exit_group(0 [pid 306] unlink("./135/binderfs" [pid 1683] <... chdir resumed>) = 0 [pid 1677] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./137/binderfs" [pid 1683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... unlink resumed>) = 0 [pid 1683] <... prctl resumed>) = 0 [pid 1677] +++ exited with 0 +++ [pid 310] unlink("./137/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 1683] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1683] <... setpgid resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 306] close(3 [pid 1683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 1683] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1683] write(3, "1000", 4 [pid 310] close(3 [pid 306] rmdir("./135" [pid 1683] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 1683] close(3 [pid 310] rmdir("./137" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./136", 0777 [pid 1683] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./138", 0777 [pid 308] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 1683] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1683] <... symlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1683] write(1, "executing program\n", 18 executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1683] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 1683] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 1686 attached [pid 1683] <... socket resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1686 [pid 1683] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1683] <... socket resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1683] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1683] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1683] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1687 attached [pid 1686] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1687 [pid 308] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1687] set_robust_list(0x555593f8a6a0, 24 [pid 1686] <... set_robust_list resumed>) = 0 [pid 1683] <... clone3 resumed>) = 1688 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1687] <... set_robust_list resumed>) = 0 [pid 1686] rt_sigprocmask(SIG_SETMASK, [] [pid 1683] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1683] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1683] exit_group(0) = ? [pid 308] newfstatat(AT_FDCWD, "./136/binderfs" [pid 1687] rt_sigprocmask(SIG_SETMASK, [] [pid 1686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1686] chdir("./136" [pid 1683] +++ exited with 0 +++ [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1687] chdir("./138" [pid 1686] <... chdir resumed>) = 0 [pid 308] unlink("./136/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1687] <... chdir resumed>) = 0 [pid 1686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... unlink resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1686] <... prctl resumed>) = 0 [pid 308] getdents64(3 [pid 1687] <... prctl resumed>) = 0 [pid 1686] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1687] setpgid(0, 0 [pid 1686] <... setpgid resumed>) = 0 [pid 308] close(3 [pid 1687] <... setpgid resumed>) = 0 [pid 1686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... close resumed>) = 0 [pid 1687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1686] <... openat resumed>) = 3 [pid 309] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./136" [pid 1687] <... openat resumed>) = 3 [pid 1686] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 1687] write(3, "1000", 4 [pid 1686] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./137", 0777 [pid 1687] <... write resumed>) = 4 [pid 1686] close(3 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] <... mkdir resumed>) = 0 [pid 1687] close(3 [pid 1686] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1687] <... close resumed>) = 0 [pid 1686] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1687] symlink("/dev/binderfs", "./binderfs" [pid 1686] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1687] <... symlink resumed>) = 0 [pid 1686] write(1, "executing program\n", 18 executing program [pid 309] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1689 attached [pid 1687] write(1, "executing program\n", 18 [pid 1686] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1687] <... write resumed>) = 18 [pid 1686] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] newfstatat(AT_FDCWD, "./137/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1689 [pid 1687] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1686] <... socket resumed>) = 3 [pid 1689] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1687] <... socket resumed>) = 3 [pid 1686] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] unlink("./137/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1687] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1689] <... set_robust_list resumed>) = 0 [pid 1686] <... socket resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 1689] rt_sigprocmask(SIG_SETMASK, [] [pid 1687] <... socket resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 1686] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] getdents64(3 [pid 1687] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1686] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1687] <... connect resumed>) = -1 EEXIST (File exists) [pid 1686] sendfile(-1, -1, [3 [pid 309] close(3 [pid 1687] sendfile(-1, -1, [3 [pid 1686] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1687] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1686] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... close resumed>) = 0 [pid 1687] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1689] chdir("./137") = 0 [pid 1689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1689] setpgid(0, 0) = 0 [pid 1689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1686] <... clone3 resumed>) = 1690 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1689] <... openat resumed>) = 3 [pid 1689] write(3, "1000", 4) = 4 [pid 1689] close(3) = 0 [pid 1689] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1687] <... clone3 resumed>) = 1691 [pid 309] rmdir("./137" [pid 307] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1687] ioctl(3, PPPIOCSMRU, 0 [pid 1686] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... openat resumed>) = 3 [pid 1689] write(1, "executing program\n", 18) = 18 [pid 309] <... rmdir resumed>) = 0 [pid 1689] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1689] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1689] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1689] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1689] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1692 [pid 1687] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1686] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] mkdir("./138", 0777 [pid 307] fstat(3 [pid 1687] exit_group(0 [pid 1686] exit_group(0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1689] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1689] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 1689] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 1687] <... exit_group resumed>) = ? [pid 1686] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1689] +++ exited with 0 +++ [pid 1687] +++ exited with 0 +++ [pid 1686] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./138/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1693 attached [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1693 [pid 307] <... unlink resumed>) = 0 [pid 1693] set_robust_list(0x555593f8a6a0, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./138" [pid 1693] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./139", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1693] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 1693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1693] chdir("./138") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1694 attached [pid 1693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1694 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1694] set_robust_list(0x555593f8a6a0, 24 [pid 1693] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1694] <... set_robust_list resumed>) = 0 [pid 1693] setpgid(0, 0 [pid 308] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1694] rt_sigprocmask(SIG_SETMASK, [] [pid 1693] <... setpgid resumed>) = 0 [pid 310] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./136/binderfs" [pid 1694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1693] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1694] chdir("./139" [pid 1693] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] unlink("./136/binderfs" [pid 1694] <... chdir resumed>) = 0 [pid 1693] <... write resumed>) = 4 [pid 310] fstat(3 [pid 308] fstat(3 [pid 306] <... unlink resumed>) = 0 [pid 1694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1693] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 1694] <... prctl resumed>) = 0 [pid 1694] setpgid(0, 0 [pid 1693] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1694] <... setpgid resumed>) = 0 [pid 1693] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./138/binderfs" [pid 306] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./138/binderfs" [pid 308] newfstatat(AT_FDCWD, "./137/binderfs" [pid 306] rmdir("./136" [pid 1693] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1693] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1694] write(3, "1000", 4) = 4 [pid 1694] close(3) = 0 [pid 1694] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1694] write(1, "executing program\n", 18) = 18 executing program [pid 1694] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 310] close(3 [pid 1693] <... write resumed>) = 18 [pid 308] unlink("./137/binderfs" [pid 306] mkdir("./137", 0777 [pid 1694] <... socket resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 1694] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 308] <... unlink resumed>) = 0 [pid 1694] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1694] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... mkdir resumed>) = 0 [pid 310] rmdir("./138" [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1694] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1693] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] mkdir("./139", 0777 [pid 308] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1694] <... clone3 resumed>) = 1695 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 1694] ioctl(3, PPPIOCSMRU, 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./137" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1696 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1694] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./138", 0777 [pid 1694] exit_group(0) = ? [pid 1694] +++ exited with 0 +++ [pid 1693] <... socket resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1693] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1697 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1696 attached [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1696] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1696] chdir("./137") = 0 [pid 1696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1696] setpgid(0, 0 [pid 1693] <... socket resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1698 [pid 1696] <... setpgid resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1693] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1696] <... openat resumed>) = 3 [pid 1693] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 1697 attached [pid 1696] write(3, "1000", 4) = 4 [pid 1693] sendfile(-1, -1, [3 [pid 1696] close(3) = 0 [pid 1693] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1696] symlink("/dev/binderfs", "./binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 1693] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1696] <... symlink resumed>) = 0 [pid 1696] write(1, "executing program\n", 18 [pid 307] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1696] <... socket resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 1696] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] fstat(3 [pid 1696] <... socket resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1696] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] getdents64(3 [pid 1693] <... clone3 resumed>) = 1699 [pid 1696] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1696] sendfile(-1, -1, [3 [pid 307] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1693] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] newfstatat(AT_FDCWD, "./139/binderfs" [pid 1693] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1697] set_robust_list(0x555593f8a6a0, 24 [pid 1696] <... clone3 resumed>) = 1700 [pid 1693] exit_group(0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1696] ioctl(3, PPPIOCSMRU, 0 [pid 1693] <... exit_group resumed>) = ? [pid 307] unlink("./139/binderfs" [pid 1696] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1696] exit_group(0 [pid 307] <... unlink resumed>) = 0 [pid 1696] <... exit_group resumed>) = ? [pid 307] getdents64(3 [pid 1696] +++ exited with 0 +++ [pid 1693] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./139"ci2-android-6-1/strace-static-x86_64: Process 1698 attached [pid 1698] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... rmdir resumed>) = 0 [pid 1698] <... set_robust_list resumed>) = 0 [pid 307] mkdir("./140", 0777 [pid 1698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1698] chdir("./138") = 0 [pid 1698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1698] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1698] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1698] <... openat resumed>) = 3 [pid 1698] write(3, "1000", 4) = 4 [pid 1698] close(3) = 0 [pid 1698] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1698] write(1, "executing program\n", 18 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1701 [pid 1698] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1698] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1698] <... socket resumed>) = 3 [pid 1698] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1697] <... set_robust_list resumed>) = 0 [pid 1698] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1698] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1698] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... restart_syscall resumed>) = 0 [pid 1697] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 1697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./138/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1701 attached [pid 1698] <... clone3 resumed>) = 1702 [pid 1697] chdir("./139" [pid 309] <... unlink resumed>) = 0 [pid 1698] ioctl(3, PPPIOCSMRU, 0 [pid 309] getdents64(3 [pid 1698] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1698] exit_group(0 [pid 309] close(3 [pid 1698] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 1701] set_robust_list(0x555593f8a6a0, 24 [pid 1697] <... chdir resumed>) = 0 [pid 309] rmdir("./138" [pid 306] <... restart_syscall resumed>) = 0 [pid 1698] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./139", 0777 [pid 1701] <... set_robust_list resumed>) = 0 [pid 1697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1701] rt_sigprocmask(SIG_SETMASK, [] [pid 1697] <... prctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1697] setpgid(0, 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1703 attached [pid 1701] chdir("./140" [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1703 [pid 1703] set_robust_list(0x555593f8a6a0, 24 [pid 1701] <... chdir resumed>) = 0 [pid 1697] <... setpgid resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1701] <... prctl resumed>) = 0 [pid 1697] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 1703] <... set_robust_list resumed>) = 0 [pid 1701] setpgid(0, 0 [pid 1697] write(3, "1000", 4 [pid 308] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 1701] <... setpgid resumed>) = 0 [pid 1697] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1697] close(3 [pid 308] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 1701] <... openat resumed>) = 3 [pid 1697] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1701] write(3, "1000", 4 [pid 1697] symlink("/dev/binderfs", "./binderfs" [pid 308] fstat(3 [pid 306] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] <... write resumed>) = 4 [pid 1697] <... symlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] close(3 [pid 1697] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./137/binderfs" [pid 1701] <... close resumed>) = 0 executing program [pid 1697] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1701] symlink("/dev/binderfs", "./binderfs" [pid 1697] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./137/binderfs" [pid 1703] rt_sigprocmask(SIG_SETMASK, [] [pid 1701] <... symlink resumed>) = 0 [pid 1697] <... socket resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] write(1, "executing program\n", 18 executing program [pid 1697] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] newfstatat(AT_FDCWD, "./138/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 1701] <... write resumed>) = 18 [pid 1697] <... socket resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 1701] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1697] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] unlink("./138/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1701] <... socket resumed>) = 3 [pid 1697] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 306] close(3 [pid 1701] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1697] sendfile(-1, -1, [3 [pid 308] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 1701] <... socket resumed>) = 4 [pid 1697] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./137" [pid 1701] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1697] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 1703] chdir("./139" [pid 1701] <... connect resumed>) = -1 EEXIST (File exists) [pid 1697] <... clone3 resumed>) = 1704 [pid 1703] <... chdir resumed>) = 0 [pid 1701] sendfile(-1, -1, [3 [pid 1697] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... close resumed>) = 0 [pid 306] mkdir("./138", 0777 [pid 1701] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1697] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] rmdir("./138" [pid 1703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1703] setpgid(0, 0) = 0 [pid 1703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 1703] <... openat resumed>) = 3 [pid 1701] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rmdir resumed>) = 0 [pid 1697] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1703] write(3, "1000", 4) = 4 [pid 1703] close(3) = 0 [pid 1703] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1701] <... clone3 resumed>) = 1705 [pid 308] mkdir("./139", 0777 [pid 1697] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1701] ioctl(3, PPPIOCSMRU, 0 [pid 1703] write(1, "executing program\n", 18) = 18 [pid 1703] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1703] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1703] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1703] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1703] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1706 [pid 1697] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 1701] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1703] ioctl(3, PPPIOCSMRU, 0 [pid 1701] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1703] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1703] exit_group(0) = ? [pid 1703] +++ exited with 0 +++ [pid 1701] <... exit_group resumed>) = ? [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1707 attached [pid 310] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1707] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1707] chdir("./138") = 0 [pid 1701] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 1707] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 1708 attached ) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1707 [pid 310] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1708 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./139/binderfs") = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./139") = 0 [pid 309] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./140", 0777 [pid 309] <... openat resumed>) = 3 [pid 1708] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1708] <... set_robust_list resumed>) = 0 [pid 1707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1709 attached [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1709 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./139/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./139/binderfs" [pid 1709] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... openat resumed>) = 3 [pid 1709] <... set_robust_list resumed>) = 0 [pid 1709] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 307] fstat(3 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./139" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1709] chdir("./140" [pid 309] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./140/binderfs" [pid 309] mkdir("./140", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1709] <... chdir resumed>) = 0 [pid 1709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1709] setpgid(0, 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] unlink("./140/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1709] <... openat resumed>) = 3 [pid 1709] write(3, "1000", 4) = 4 [pid 1709] close(3) = 0 [pid 1709] symlink("/dev/binderfs", "./binderfs" [pid 307] close(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1710 [pid 307] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./140" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1709] <... symlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1709] write(1, "executing program\n", 18 [pid 307] mkdir("./141", 0777 [pid 1709] <... write resumed>) = 18 [pid 1709] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1709] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1709] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... mkdir resumed>) = 0 [pid 1709] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 1709] sendfile(-1, -1, [3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1709] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1709] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1712 [pid 1708] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1711 [pid 1709] ioctl(3, PPPIOCSMRU, 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1709] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1709] exit_group(0) = ? [pid 1708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1707] <... openat resumed>) = 3 [pid 1708] chdir("./139" [pid 1707] write(3, "1000", 4 [pid 1708] <... chdir resumed>) = 0 [pid 1707] <... write resumed>) = 4 [pid 1709] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1710 attached [pid 1710] set_robust_list(0x555593f8a6a0, 24 [pid 1708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1707] close(3 [pid 1710] <... set_robust_list resumed>) = 0 [pid 1710] rt_sigprocmask(SIG_SETMASK, [] [pid 1708] <... prctl resumed>) = 0 [pid 1710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1710] chdir("./140") = 0 [pid 1710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1710] setpgid(0, 0) = 0 [pid 1710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1708] setpgid(0, 0 [pid 1707] <... close resumed>) = 0 [pid 1710] <... openat resumed>) = 3 [pid 1708] <... setpgid resumed>) = 0 [pid 1707] symlink("/dev/binderfs", "./binderfs" [pid 1708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1710] write(3, "1000", 4) = 4 [pid 1710] close(3 [pid 1707] <... symlink resumed>) = 0 [pid 1710] <... close resumed>) = 0 [pid 1710] symlink("/dev/binderfs", "./binderfs" [pid 1708] <... openat resumed>) = 3 [pid 1707] write(1, "executing program\n", 18 [pid 1710] <... symlink resumed>) = 0 [pid 1708] write(3, "1000", 4 [pid 1707] <... write resumed>) = 18 [pid 1710] write(1, "executing program\n", 18) = 18 executing program executing program [pid 1710] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1710] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1708] <... write resumed>) = 4 [pid 1707] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1710] <... socket resumed>) = 4 [pid 1710] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1710] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1710] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1713 [pid 1708] close(3 [pid 1707] <... socket resumed>) = 3 [pid 1710] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1710] exit_group(0 [pid 1708] <... close resumed>) = 0 [pid 1707] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1710] <... exit_group resumed>) = ? [pid 1708] symlink("/dev/binderfs", "./binderfs" [pid 1707] <... socket resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1708] <... symlink resumed>) = 0 [pid 1707] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./140/binderfs") = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./140") = 0 [pid 310] mkdir("./141", 0777ci2-android-6-1/strace-static-x86_64: Process 1711 attached [pid 1708] write(1, "executing program\n", 18 [pid 1707] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 1708] <... write resumed>) = 18 [pid 1707] sendfile(-1, -1, [3 executing program [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1708] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1707] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1708] <... socket resumed>) = 3 [pid 1707] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1711] set_robust_list(0x555593f8a6a0, 24 [pid 1710] +++ exited with 0 +++ [pid 1708] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1708] <... socket resumed>) = 4 [pid 1707] <... clone3 resumed>) = 1714 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1708] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1707] ioctl(3, PPPIOCSMRU, 0 [pid 1711] <... set_robust_list resumed>) = 0 [pid 1708] <... connect resumed>) = -1 EEXIST (File exists) [pid 1707] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1711] rt_sigprocmask(SIG_SETMASK, [] [pid 1708] sendfile(-1, -1, [3 [pid 1707] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1715 [pid 309] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1708] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1707] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1711] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1715 attached [pid 1711] chdir("./141" [pid 1708] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1715] set_robust_list(0x555593f8a6a0, 24 [pid 1711] <... chdir resumed>) = 0 [pid 1707] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1715] <... set_robust_list resumed>) = 0 [pid 1711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1708] <... clone3 resumed>) = 1716 [pid 309] <... openat resumed>) = 3 [pid 1711] <... prctl resumed>) = 0 [pid 1708] ioctl(3, PPPIOCSMRU, 0 [pid 309] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1708] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1711] setpgid(0, 0 [pid 1708] exit_group(0 [pid 309] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1708] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1711] <... setpgid resumed>) = 0 [pid 1708] +++ exited with 0 +++ [pid 309] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./140/binderfs" [pid 1711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1715] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 1711] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./140" [pid 1711] write(3, "1000", 4 [pid 306] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] <... write resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] close(3 [pid 309] mkdir("./141", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1711] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1715] chdir("./141" [pid 1711] symlink("/dev/binderfs", "./binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 1715] <... chdir resumed>) = 0 [pid 1711] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1711] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 3 [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1717 attached [pid 1711] <... write resumed>) = 18 executing program [pid 308] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1717] set_robust_list(0x555593f8a6a0, 24 [pid 1711] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1717 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1717] <... set_robust_list resumed>) = 0 [pid 1711] <... socket resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 1717] rt_sigprocmask(SIG_SETMASK, [] [pid 1711] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 1717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1711] <... socket resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1717] chdir("./141" [pid 1711] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1711] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] sendfile(-1, -1, [3 [pid 308] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1717] <... chdir resumed>) = 0 [pid 1711] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1711] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./138/binderfs" [pid 1717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1715] <... prctl resumed>) = 0 [pid 1711] <... clone3 resumed>) = 1718 [pid 308] newfstatat(AT_FDCWD, "./139/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1717] setpgid(0, 0 [pid 1715] setpgid(0, 0 [pid 1711] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./138/binderfs" [pid 1711] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] unlink("./139/binderfs" [pid 1717] <... setpgid resumed>) = 0 [pid 1717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... unlink resumed>) = 0 [pid 1717] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 1711] exit_group(0 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 1717] write(3, "1000", 4 [pid 1711] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1717] <... write resumed>) = 4 [pid 1717] close(3) = 0 [pid 1717] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1711] +++ exited with 0 +++ executing program [pid 1717] write(1, "executing program\n", 18 [pid 308] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(3 [pid 1717] <... write resumed>) = 18 [pid 308] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1717] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] rmdir("./139" [pid 306] <... close resumed>) = 0 [pid 1717] <... socket resumed>) = 3 [pid 1715] <... setpgid resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./138" [pid 308] mkdir("./140", 0777 [pid 1717] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 1717] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1717] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1717] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... mkdir resumed>) = 0 [pid 306] mkdir("./139", 0777 [pid 1717] <... clone3 resumed>) = 1719 [pid 1715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1717] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1717] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1717] exit_group(0 [pid 1715] <... openat resumed>) = 3 [pid 1717] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 1720 attached [pid 1717] +++ exited with 0 +++ [pid 1715] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1720] set_robust_list(0x555593f8a6a0, 24 [pid 1715] <... write resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1720 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1720] <... set_robust_list resumed>) = 0 [pid 1715] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1720] rt_sigprocmask(SIG_SETMASK, [] [pid 1715] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1721 attached [pid 1715] symlink("/dev/binderfs", "./binderfs" [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1721 [pid 1721] set_robust_list(0x555593f8a6a0, 24 [pid 1715] <... symlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1721] <... set_robust_list resumed>) = 0 [pid 1715] write(1, "executing program\n", 18 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1721] rt_sigprocmask(SIG_SETMASK, [] [pid 1715] <... write resumed>) = 18 executing program [pid 1721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1715] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1715] <... socket resumed>) = 3 [pid 1721] chdir("./139" [pid 1715] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1721] <... chdir resumed>) = 0 [pid 1715] <... socket resumed>) = 4 [pid 1721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1715] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1721] <... prctl resumed>) = 0 [pid 1715] <... connect resumed>) = -1 EEXIST (File exists) [pid 1721] setpgid(0, 0 [pid 1715] sendfile(-1, -1, [3 [pid 1721] <... setpgid resumed>) = 0 [pid 1715] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1715] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1720] chdir("./140" [pid 309] <... restart_syscall resumed>) = 0 [pid 1721] <... openat resumed>) = 3 [pid 1720] <... chdir resumed>) = 0 [pid 1715] <... clone3 resumed>) = 1722 [pid 1721] write(3, "1000", 4 [pid 1715] ioctl(3, PPPIOCSMRU, 0 [pid 1721] <... write resumed>) = 4 [pid 1715] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1721] close(3 [pid 1715] exit_group(0 [pid 1721] <... close resumed>) = 0 [pid 1715] <... exit_group resumed>) = ? [pid 1721] symlink("/dev/binderfs", "./binderfs" [pid 1715] +++ exited with 0 +++ [pid 1721] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] write(1, "executing program\n", 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1721] <... write resumed>) = 18 executing program [pid 1721] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1721] <... socket resumed>) = 3 [pid 1721] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1721] <... socket resumed>) = 4 [pid 1721] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... openat resumed>) = 3 [pid 1721] <... connect resumed>) = -1 EEXIST (File exists) [pid 1721] sendfile(-1, -1, [3 [pid 309] fstat(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1721] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1721] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(3 [pid 1721] <... clone3 resumed>) = 1723 [pid 1720] <... prctl resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] ioctl(3, PPPIOCSMRU, 0 [pid 309] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1720] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1721] exit_group(0 [pid 310] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1721] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1720] <... setpgid resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./141/binderfs" [pid 307] <... openat resumed>) = 3 [pid 1721] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] unlink("./141/binderfs" [pid 307] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] getdents64(3 [pid 310] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 1720] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./141/binderfs" [pid 309] close(3 [pid 1720] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] unlink("./141/binderfs" [pid 309] <... close resumed>) = 0 [pid 1720] <... write resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1720] close(3 [pid 310] getdents64(3 [pid 309] rmdir("./141" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1720] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./141/binderfs" [pid 310] rmdir("./141" [pid 1720] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] mkdir("./142", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1720] <... symlink resumed>) = 0 [pid 310] mkdir("./142", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 307] unlink("./141/binderfs" [pid 1720] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 1720] <... write resumed>) = 18 executing program [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 1720] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1724 attached [pid 1720] <... socket resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1724 [pid 307] <... close resumed>) = 0 [pid 1724] set_robust_list(0x555593f8a6a0, 24 [pid 1720] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./141"ci2-android-6-1/strace-static-x86_64: Process 1725 attached [pid 1724] <... set_robust_list resumed>) = 0 [pid 1720] <... socket resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1725] set_robust_list(0x555593f8a6a0, 24 [pid 1724] rt_sigprocmask(SIG_SETMASK, [] [pid 1720] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1725 [pid 307] mkdir("./142", 0777 [pid 1725] <... set_robust_list resumed>) = 0 [pid 1724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1720] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1725] rt_sigprocmask(SIG_SETMASK, [] [pid 1724] chdir("./142" [pid 1720] sendfile(-1, -1, [3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1724] <... chdir resumed>) = 0 [pid 1720] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1720] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 1725] chdir("./142" [pid 306] fstat(3 [pid 1725] <... chdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1724] <... prctl resumed>) = 0 [pid 1720] <... clone3 resumed>) = 1726 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 1725] <... prctl resumed>) = 0 [pid 1724] setpgid(0, 0 [pid 1720] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1725] setpgid(0, 0 [pid 1724] <... setpgid resumed>) = 0 [pid 1720] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1727 attached [pid 1725] <... setpgid resumed>) = 0 [pid 1724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1720] exit_group(0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1727 [pid 1725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1724] <... openat resumed>) = 3 [pid 1720] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1727] set_robust_list(0x555593f8a6a0, 24 [pid 1725] <... openat resumed>) = 3 [pid 1724] write(3, "1000", 4 [pid 306] newfstatat(AT_FDCWD, "./139/binderfs" [pid 1727] <... set_robust_list resumed>) = 0 [pid 1725] write(3, "1000", 4 [pid 1724] <... write resumed>) = 4 [pid 1720] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1725] <... write resumed>) = 4 [pid 1724] close(3 [pid 306] unlink("./139/binderfs" [pid 1725] close(3 [pid 1724] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1725] <... close resumed>) = 0 [pid 1724] symlink("/dev/binderfs", "./binderfs" [pid 1727] rt_sigprocmask(SIG_SETMASK, [] [pid 1725] symlink("/dev/binderfs", "./binderfs" [pid 1724] <... symlink resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... unlink resumed>) = 0 [pid 1727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1725] <... symlink resumed>) = 0 executing program [pid 1724] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 1725] write(1, "executing program\n", 18 [pid 1724] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1725] <... write resumed>) = 18 executing program [pid 1724] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] close(3 [pid 1725] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1724] <... socket resumed>) = 3 [pid 1725] <... socket resumed>) = 3 [pid 1724] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... close resumed>) = 0 [pid 1727] chdir("./142" [pid 1725] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1724] <... socket resumed>) = 4 [pid 1725] <... socket resumed>) = 4 [pid 1724] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] rmdir("./139" [pid 1725] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1724] <... connect resumed>) = -1 EEXIST (File exists) [pid 1725] <... connect resumed>) = -1 EEXIST (File exists) [pid 1724] sendfile(-1, -1, [3 [pid 306] <... rmdir resumed>) = 0 [pid 1725] sendfile(-1, -1, [3 [pid 1724] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] mkdir("./140", 0777 [pid 1725] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1724] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1727] <... chdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1725] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1724] <... clone3 resumed>) = 1728 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1727] <... prctl resumed>) = 0 [pid 1724] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1727] setpgid(0, 0 [pid 1725] <... clone3 resumed>) = 1729 [pid 1724] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1730 attached [pid 1727] <... setpgid resumed>) = 0 [pid 1725] ioctl(3, PPPIOCSMRU, 0 [pid 1724] exit_group(0 [pid 1727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1725] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1724] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1730 [pid 1730] set_robust_list(0x555593f8a6a0, 24 [pid 1727] <... openat resumed>) = 3 [pid 1725] exit_group(0 [pid 1724] +++ exited with 0 +++ [pid 308] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1730] <... set_robust_list resumed>) = 0 [pid 1727] write(3, "1000", 4 [pid 1725] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1727] <... write resumed>) = 4 [pid 308] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1730] rt_sigprocmask(SIG_SETMASK, [] [pid 1727] close(3 [pid 1725] +++ exited with 0 +++ [pid 1730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1727] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 1727] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 1730] chdir("./140" [pid 1727] <... symlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1727] write(1, "executing program\n", 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1727] <... write resumed>) = 18 [pid 1730] <... chdir resumed>) = 0 [pid 1727] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] getdents64(3 [pid 1730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1727] <... socket resumed>) = 3 [pid 1730] setpgid(0, 0 executing program [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1727] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1730] <... setpgid resumed>) = 0 [pid 308] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1727] <... socket resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1727] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] newfstatat(AT_FDCWD, "./140/binderfs" [pid 1730] <... openat resumed>) = 3 [pid 1727] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1727] sendfile(-1, -1, [3 [pid 308] unlink("./140/binderfs" [pid 1730] write(3, "1000", 4 [pid 1727] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1730] <... write resumed>) = 4 [pid 1730] close(3) = 0 [pid 1730] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1730] write(1, "executing program\n", 18) = 18 [pid 1730] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1730] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1730] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = 0 [pid 308] <... unlink resumed>) = 0 executing program [pid 1727] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] getdents64(3 [pid 1730] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1730] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1727] <... clone3 resumed>) = 1731 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1727] ioctl(3, PPPIOCSMRU, 0 [pid 308] close(3 [pid 1727] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... close resumed>) = 0 [pid 1727] exit_group(0 [pid 308] rmdir("./140" [pid 1730] <... clone3 resumed>) = 1732 [pid 1727] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 1730] ioctl(3, PPPIOCSMRU, 0 [pid 1727] +++ exited with 0 +++ [pid 308] mkdir("./141", 0777 [pid 1730] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1730] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 1733 attached [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1733 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1730] <... exit_group resumed>) = ? [pid 1733] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1730] +++ exited with 0 +++ [pid 1733] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1733] chdir("./141") = 0 [pid 1733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1733] setpgid(0, 0) = 0 [pid 1733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1733] write(3, "1000", 4) = 4 [pid 1733] close(3) = 0 [pid 1733] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1733] write(1, "executing program\n", 18) = 18 [pid 1733] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... restart_syscall resumed>) = 0 [pid 1733] <... socket resumed>) = 3 [pid 1733] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 310] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 1733] sendfile(-1, -1, [3 [pid 310] <... openat resumed>) = 3 [pid 1733] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1733] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1733] <... clone3 resumed>) = 1734 [pid 310] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] newfstatat(AT_FDCWD, "./142/binderfs" [pid 306] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1733] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] <... exit_group resumed>) = ? [pid 310] unlink("./142/binderfs" [pid 309] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 1733] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] fstat(3 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 310] close(3 [pid 309] getdents64(3 [pid 307] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./142" [pid 309] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./140/binderfs" [pid 310] mkdir("./143", 0777 [pid 309] newfstatat(AT_FDCWD, "./142/binderfs" [pid 307] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./140/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./142/binderfs" [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./142/binderfs" [pid 306] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 1735 attached [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1735 [pid 309] close(3 [pid 307] unlink("./142/binderfs" [pid 306] close(3 [pid 1735] set_robust_list(0x555593f8a6a0, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 308] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 1735] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./142" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 306] rmdir("./140" [pid 1735] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 1735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./143", 0777 [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./141", 0777 [pid 1735] chdir("./143" [pid 309] <... mkdir resumed>) = 0 [pid 308] fstat(3 [pid 307] close(3 [pid 1735] <... chdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1735] <... prctl resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rmdir("./142" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1736 attached [pid 1735] setpgid(0, 0 [pid 308] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1736] set_robust_list(0x555593f8a6a0, 24 [pid 1735] <... setpgid resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1736 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./143", 0777) = 0 ci2-android-6-1/strace-static-x86_64: Process 1737 attached [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1736] <... set_robust_list resumed>) = 0 [pid 1735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] newfstatat(AT_FDCWD, "./141/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1737] set_robust_list(0x555593f8a6a0, 24 [pid 1736] rt_sigprocmask(SIG_SETMASK, [] [pid 1735] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1737 [pid 1737] <... set_robust_list resumed>) = 0 [pid 1736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1735] write(3, "1000", 4 [pid 308] unlink("./141/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1737] rt_sigprocmask(SIG_SETMASK, [] [pid 1736] chdir("./143" [pid 1735] <... write resumed>) = 4 [pid 308] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1736] <... chdir resumed>) = 0 [pid 1735] close(3 [pid 308] getdents64(3 [pid 1737] chdir("./141" [pid 1736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1735] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1737] <... chdir resumed>) = 0 [pid 1736] <... prctl resumed>) = 0 [pid 1735] symlink("/dev/binderfs", "./binderfs" [pid 308] close(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1738 ci2-android-6-1/strace-static-x86_64: Process 1738 attached [pid 1737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1736] setpgid(0, 0 [pid 1735] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 1737] <... prctl resumed>) = 0 [pid 1736] <... setpgid resumed>) = 0 executing program [pid 1735] write(1, "executing program\n", 18 [pid 308] rmdir("./141" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1737] setpgid(0, 0 [pid 1736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1735] <... write resumed>) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 1737] <... setpgid resumed>) = 0 [pid 1736] <... openat resumed>) = 3 [pid 1735] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] mkdir("./142", 0777 [pid 1737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1736] write(3, "1000", 4 [pid 1735] <... socket resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1737] <... openat resumed>) = 3 [pid 1736] <... write resumed>) = 4 [pid 1735] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1737] write(3, "1000", 4 [pid 1736] close(3 [pid 1735] <... socket resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1737] <... write resumed>) = 4 [pid 1736] <... close resumed>) = 0 [pid 1735] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1738] set_robust_list(0x555593f8a6a0, 24 [pid 1737] close(3 [pid 1736] symlink("/dev/binderfs", "./binderfs" [pid 1735] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 1739 attached [pid 1738] <... set_robust_list resumed>) = 0 [pid 1737] <... close resumed>) = 0 [pid 1736] <... symlink resumed>) = 0 [pid 1735] sendfile(-1, -1, [3 [pid 1739] set_robust_list(0x555593f8a6a0, 24 [pid 1737] symlink("/dev/binderfs", "./binderfs" [pid 1736] write(1, "executing program\n", 18 [pid 1735] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1739 [pid 1739] <... set_robust_list resumed>) = 0 executing program [pid 1738] rt_sigprocmask(SIG_SETMASK, [] [pid 1737] <... symlink resumed>) = 0 [pid 1736] <... write resumed>) = 18 [pid 1735] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1739] rt_sigprocmask(SIG_SETMASK, [] [pid 1738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1737] write(1, "executing program\n", 18 [pid 1736] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1735] <... clone3 resumed>) = 1740 executing program [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1737] <... write resumed>) = 18 [pid 1736] <... socket resumed>) = 3 [pid 1735] ioctl(3, PPPIOCSMRU, 0 [pid 1739] chdir("./142" [pid 1737] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1736] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1735] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1739] <... chdir resumed>) = 0 [pid 1738] chdir("./143" [pid 1737] <... socket resumed>) = 3 [pid 1736] <... socket resumed>) = 4 [pid 1735] exit_group(0 [pid 1739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1737] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1736] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1735] <... exit_group resumed>) = ? [pid 1739] <... prctl resumed>) = 0 [pid 1738] <... chdir resumed>) = 0 [pid 1737] <... socket resumed>) = 4 [pid 1736] <... connect resumed>) = -1 EEXIST (File exists) [pid 1739] setpgid(0, 0 [pid 1738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1737] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1736] sendfile(-1, -1, [3 [pid 1735] +++ exited with 0 +++ [pid 1739] <... setpgid resumed>) = 0 [pid 1737] <... connect resumed>) = -1 EEXIST (File exists) [pid 1736] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1737] sendfile(-1, -1, [3 [pid 1736] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1739] <... openat resumed>) = 3 [pid 1738] <... prctl resumed>) = 0 [pid 1737] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1739] write(3, "1000", 4 [pid 1737] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1736] <... clone3 resumed>) = 1741 [pid 1739] <... write resumed>) = 4 [pid 1738] setpgid(0, 0 [pid 1737] <... clone3 resumed>) = 1742 [pid 1736] ioctl(3, PPPIOCSMRU, 0 [pid 1739] close(3 [pid 1737] ioctl(3, PPPIOCSMRU, 0 [pid 1736] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1739] <... close resumed>) = 0 [pid 1737] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1736] exit_group(0 [pid 1739] symlink("/dev/binderfs", "./binderfs" [pid 1738] <... setpgid resumed>) = 0 [pid 1737] exit_group(0 [pid 1736] <... exit_group resumed>) = ? [pid 1739] <... symlink resumed>) = 0 [pid 1738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1737] <... exit_group resumed>) = ? [pid 1739] write(1, "executing program\n", 18 executing program [pid 1738] <... openat resumed>) = 3 [pid 1737] +++ exited with 0 +++ [pid 1736] +++ exited with 0 +++ [pid 1739] <... write resumed>) = 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1739] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1739] <... socket resumed>) = 3 [pid 1739] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1739] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1739] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1739] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1738] write(3, "1000", 4) = 4 [pid 1739] <... clone3 resumed>) = 1743 [pid 1738] close(3 [pid 1739] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1739] exit_group(0) = ? [pid 1738] <... close resumed>) = 0 [pid 1738] symlink("/dev/binderfs", "./binderfs" [pid 1739] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1738] <... symlink resumed>) = 0 executing program [pid 1738] write(1, "executing program\n", 18) = 18 [pid 1738] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1738] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1738] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1738] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1738] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1744 [pid 1738] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1738] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1738] exit_group(0) = ? [pid 308] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1738] +++ exited with 0 +++ [pid 310] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./142/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3 [pid 308] unlink("./142/binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./142") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./143", 0777 [pid 310] newfstatat(AT_FDCWD, "./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] unlink("./143/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1745 attached [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1745 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./143" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./144", 0777 [pid 309] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1745] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./143/binderfs" [pid 306] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./143/binderfs" [pid 306] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1745] <... set_robust_list resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 309] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 1746 attached [pid 1745] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1746 [pid 309] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./143" [pid 307] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./144", 0777 [pid 307] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./141/binderfs" [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./141/binderfs" [pid 1746] set_robust_list(0x555593f8a6a0, 24 [pid 1745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./143/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 1746] <... set_robust_list resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1747 attached [pid 1746] rt_sigprocmask(SIG_SETMASK, [] [pid 1745] chdir("./143" [pid 307] unlink("./143/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1747 [pid 306] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] rmdir("./141" [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 1746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] mkdir("./142", 0777 [pid 1746] chdir("./144" [pid 1745] <... chdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1747] set_robust_list(0x555593f8a6a0, 24 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1747] <... set_robust_list resumed>) = 0 [pid 1746] <... chdir resumed>) = 0 [pid 1745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rmdir("./143"ci2-android-6-1/strace-static-x86_64: Process 1748 attached ) = 0 [pid 1748] set_robust_list(0x555593f8a6a0, 24 [pid 307] mkdir("./144", 0777 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1748 [pid 1748] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1748] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1748] chdir("./142" [pid 307] <... mkdir resumed>) = 0 [pid 1748] <... chdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1748] <... prctl resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1748] setpgid(0, 0) = 0 [pid 1748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1748] write(3, "1000", 4) = 4 [pid 1748] close(3) = 0 [pid 1748] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1749 [pid 1748] <... symlink resumed>) = 0 [pid 1746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1748] write(1, "executing program\n", 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1746] <... prctl resumed>) = 0 [pid 1745] <... prctl resumed>) = 0 [pid 1747] rt_sigprocmask(SIG_SETMASK, [] [pid 1746] setpgid(0, 0 [pid 1745] setpgid(0, 0 [pid 1748] <... write resumed>) = 18 [pid 1748] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 1748] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1746] <... setpgid resumed>) = 0 [pid 1745] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1749 attached [pid 1747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1748] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1747] chdir("./144" [pid 1748] <... connect resumed>) = -1 EEXIST (File exists) [pid 1748] sendfile(-1, -1, [3 [pid 1746] <... openat resumed>) = 3 [pid 1748] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1748] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1745] <... openat resumed>) = 3 [pid 1747] <... chdir resumed>) = 0 [pid 1746] write(3, "1000", 4 [pid 1749] set_robust_list(0x555593f8a6a0, 24 [pid 1747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1746] <... write resumed>) = 4 [pid 1745] write(3, "1000", 4 [pid 1749] <... set_robust_list resumed>) = 0 [pid 1747] <... prctl resumed>) = 0 [pid 1746] close(3 [pid 1745] <... write resumed>) = 4 [pid 1749] rt_sigprocmask(SIG_SETMASK, [] [pid 1748] <... clone3 resumed>) = 1750 [pid 1747] setpgid(0, 0 [pid 1746] <... close resumed>) = 0 [pid 1745] close(3 [pid 1748] ioctl(3, PPPIOCSMRU, 0 [pid 1749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1748] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1747] <... setpgid resumed>) = 0 [pid 1746] symlink("/dev/binderfs", "./binderfs" [pid 1745] <... close resumed>) = 0 [pid 1749] chdir("./144" [pid 1748] exit_group(0 [pid 1746] <... symlink resumed>) = 0 [pid 1745] symlink("/dev/binderfs", "./binderfs" [pid 1747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1748] <... exit_group resumed>) = ? [pid 1749] <... chdir resumed>) = 0 [pid 1747] <... openat resumed>) = 3 executing program [pid 1746] write(1, "executing program\n", 18 [pid 1749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1748] +++ exited with 0 +++ [pid 1747] write(3, "1000", 4 [pid 1746] <... write resumed>) = 18 [pid 1745] <... symlink resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1749] <... prctl resumed>) = 0 [pid 1747] <... write resumed>) = 4 [pid 1746] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1745] write(1, "executing program\n", 18 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1749] setpgid(0, 0 [pid 1747] close(3 [pid 1746] <... socket resumed>) = 3 [pid 1745] <... write resumed>) = 18 executing program [pid 1749] <... setpgid resumed>) = 0 [pid 1747] <... close resumed>) = 0 [pid 1746] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1747] symlink("/dev/binderfs", "./binderfs" [pid 1745] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1745] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1747] <... symlink resumed>) = 0 [pid 1745] <... socket resumed>) = 4 [pid 1747] write(1, "executing program\n", 18 [pid 1746] <... socket resumed>) = 4 [pid 1749] <... openat resumed>) = 3 [pid 1747] <... write resumed>) = 18 executing program [pid 1745] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1749] write(3, "1000", 4 [pid 1747] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1746] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1745] <... connect resumed>) = -1 EEXIST (File exists) [pid 1747] <... socket resumed>) = 3 [pid 1745] sendfile(-1, -1, [3 [pid 1749] <... write resumed>) = 4 [pid 1747] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1746] <... connect resumed>) = -1 EEXIST (File exists) [pid 1745] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1745] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1749] close(3 [pid 1747] <... socket resumed>) = 4 [pid 1746] sendfile(-1, -1, [3 [pid 1749] <... close resumed>) = 0 [pid 1747] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1746] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1745] <... clone3 resumed>) = 1751 [pid 1749] symlink("/dev/binderfs", "./binderfs" [pid 1747] <... connect resumed>) = -1 EEXIST (File exists) [pid 1746] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1747] sendfile(-1, -1, [3 [pid 1745] ioctl(3, PPPIOCSMRU, 0 [pid 1749] <... symlink resumed>) = 0 [pid 1745] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1745] exit_group(0) = ? [pid 1749] write(1, "executing program\n", 18 [pid 1747] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1746] <... clone3 resumed>) = 1752 [pid 1749] <... write resumed>) = 18 executing program [pid 1747] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1746] ioctl(3, PPPIOCSMRU, 0 [pid 1745] +++ exited with 0 +++ [pid 1749] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1747] <... clone3 resumed>) = 1753 [pid 1746] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1749] <... socket resumed>) = 3 [pid 1747] ioctl(3, PPPIOCSMRU, 0 [pid 1746] exit_group(0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 1749] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1747] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1746] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1749] <... socket resumed>) = 4 [pid 1747] exit_group(0 [pid 306] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1747] <... exit_group resumed>) = ? [pid 1746] +++ exited with 0 +++ [pid 306] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1749] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1747] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1749] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1749] sendfile(-1, -1, [3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1749] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./142/binderfs" [pid 1749] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./142/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] fstat(3 [pid 306] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 306] rmdir("./142" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rmdir resumed>) = 0 [pid 308] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./143", 0777 [pid 1749] <... clone3 resumed>) = 1754 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1749] ioctl(3, PPPIOCSMRU, 0 [pid 308] newfstatat(AT_FDCWD, "./143/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 1749] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1749] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1749] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./143/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1749] +++ exited with 0 +++ [pid 308] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 3 [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1755 attached [pid 310] fstat(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1755] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1755 [pid 1755] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1755] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] rmdir("./143" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 1755] chdir("./143" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./144", 0777 [pid 1755] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./144/binderfs" [pid 1755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 1755] <... prctl resumed>) = 0 [pid 309] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1755] setpgid(0, 0 [pid 310] unlink("./144/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1755] <... setpgid resumed>) = 0 [pid 309] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] fstat(3ci2-android-6-1/strace-static-x86_64: Process 1756 attached [pid 1755] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1756 [pid 1756] set_robust_list(0x555593f8a6a0, 24 [pid 1755] write(3, "1000", 4 [pid 310] close(3 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1756] <... set_robust_list resumed>) = 0 [pid 1755] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 1755] close(3 [pid 310] rmdir("./144" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1756] rt_sigprocmask(SIG_SETMASK, [] [pid 1755] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 1756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1755] symlink("/dev/binderfs", "./binderfs" [pid 310] mkdir("./145", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1756] chdir("./144" [pid 1755] <... symlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./144/binderfs" [pid 1755] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1756] <... chdir resumed>) = 0 [pid 1755] <... write resumed>) = 18 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1757 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 1756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1755] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./144/binderfs" [pid 307] fstat(3 [pid 1755] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 1757 attached [pid 1756] <... prctl resumed>) = 0 [pid 1755] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 1757] set_robust_list(0x555593f8a6a0, 24 [pid 1756] setpgid(0, 0 [pid 1755] <... socket resumed>) = 4 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1757] <... set_robust_list resumed>) = 0 [pid 1755] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1756] <... setpgid resumed>) = 0 [pid 307] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1757] rt_sigprocmask(SIG_SETMASK, [] [pid 1755] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1755] sendfile(-1, -1, [3 [pid 309] <... close resumed>) = 0 [pid 1757] chdir("./145" [pid 1756] <... openat resumed>) = 3 [pid 1755] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./144" [pid 1757] <... chdir resumed>) = 0 [pid 1756] write(3, "1000", 4 [pid 1755] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... rmdir resumed>) = 0 [pid 1756] <... write resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./144/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./144" [pid 1756] close(3 [pid 1755] <... clone3 resumed>) = 1758 [pid 309] mkdir("./145", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 1756] <... close resumed>) = 0 [pid 1755] ioctl(3, PPPIOCSMRU, 0 [pid 307] mkdir("./145", 0777 [pid 1756] symlink("/dev/binderfs", "./binderfs" [pid 1755] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1756] <... symlink resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 1759 attached [pid 1757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1756] write(1, "executing program\n", 18 [pid 1755] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1759] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1759 [pid 1759] <... set_robust_list resumed>) = 0 [pid 1757] <... prctl resumed>) = 0 executing program [pid 1756] <... write resumed>) = 18 [pid 1755] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1759] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1759] chdir("./145") = 0 [pid 1759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1759] setpgid(0, 0) = 0 [pid 1759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1757] setpgid(0, 0 [pid 1759] write(3, "1000", 4) = 4 [pid 1759] close(3) = 0 [pid 1759] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1755] +++ exited with 0 +++ [pid 1757] <... setpgid resumed>) = 0 [pid 1756] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1760 [pid 1759] write(1, "executing program\n", 18) = 18 [pid 1759] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1759] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1756] <... socket resumed>) = 3 [pid 1759] <... socket resumed>) = 4 [pid 1757] <... openat resumed>) = 3 [pid 1756] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1757] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1757] <... write resumed>) = 4 [pid 1756] <... socket resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1759] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1759] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1759] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1761 [pid 1757] close(3 [pid 1756] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1759] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) ci2-android-6-1/strace-static-x86_64: Process 1760 attached [pid 1759] exit_group(0 [pid 1757] <... close resumed>) = 0 [pid 1756] <... connect resumed>) = -1 EEXIST (File exists) [pid 1760] set_robust_list(0x555593f8a6a0, 24 [pid 1759] <... exit_group resumed>) = ? [pid 1760] <... set_robust_list resumed>) = 0 [pid 1757] symlink("/dev/binderfs", "./binderfs" [pid 1756] sendfile(-1, -1, [3 [pid 1760] rt_sigprocmask(SIG_SETMASK, [] [pid 1759] +++ exited with 0 +++ [pid 1757] <... symlink resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1756] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1756] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1760] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1757] write(1, "executing program\n", 18 [pid 1760] chdir("./145" [pid 1757] <... write resumed>) = 18 [pid 1756] <... clone3 resumed>) = 1762 [pid 1756] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1760] <... chdir resumed>) = 0 [pid 1757] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1756] exit_group(0 [pid 1760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1756] <... exit_group resumed>) = ? [pid 1760] <... prctl resumed>) = 0 [pid 1757] <... socket resumed>) = 3 [pid 1760] setpgid(0, 0 [pid 1757] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1756] +++ exited with 0 +++ [pid 1760] <... setpgid resumed>) = 0 [pid 1757] <... socket resumed>) = 4 [pid 1760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1757] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1757] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1757] sendfile(-1, -1, [3 [pid 1760] <... openat resumed>) = 3 [pid 1757] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1760] write(3, "1000", 4 [pid 1757] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1760] <... write resumed>) = 4 [pid 1760] close(3) = 0 [pid 1760] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1760] write(1, "executing program\n", 18 [pid 1757] <... clone3 resumed>) = 1763 [pid 1760] <... write resumed>) = 18 [pid 1757] ioctl(3, PPPIOCSMRU, 0 [pid 1760] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1757] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 1757] exit_group(0) = ? [pid 1760] <... socket resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1760] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1757] +++ exited with 0 +++ [pid 1760] <... socket resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 1760] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1760] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1760] sendfile(-1, -1, [3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1760] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1760] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1760] <... clone3 resumed>) = 1764 [pid 308] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] fstat(3 [pid 1760] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1760] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1760] exit_group(0 [pid 308] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./145/binderfs" [pid 1760] <... exit_group resumed>) = ? [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 1760] +++ exited with 0 +++ [pid 310] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./145/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] newfstatat(AT_FDCWD, "./143/binderfs" [pid 310] fstat(3 [pid 308] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./144/binderfs" [pid 307] rmdir("./145" [pid 306] unlink("./143/binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./146", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./144/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./145/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 310] unlink("./145/binderfs" [pid 308] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 1765 attached [pid 310] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 1765] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./144" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1765 [pid 306] <... close resumed>) = 0 [pid 1765] <... set_robust_list resumed>) = 0 [pid 310] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./143" [pid 310] <... close resumed>) = 0 [pid 308] mkdir("./145", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 1765] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./145" [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] mkdir("./144", 0777 [pid 1765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1765] chdir("./146" [pid 310] mkdir("./146", 0777ci2-android-6-1/strace-static-x86_64: Process 1766 attached [pid 1765] <... chdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1766 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1766] set_robust_list(0x555593f8a6a0, 24 [pid 1765] <... prctl resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1768 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1767 [pid 1766] <... set_robust_list resumed>) = 0 [pid 1765] setpgid(0, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1765] <... setpgid resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1767 attached [pid 1766] rt_sigprocmask(SIG_SETMASK, [] [pid 1765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1767] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1765] <... openat resumed>) = 3 [pid 1766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1767] chdir("./144") = 0 ci2-android-6-1/strace-static-x86_64: Process 1768 attached [pid 1767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1766] chdir("./145" [pid 1765] write(3, "1000", 4 [pid 1766] <... chdir resumed>) = 0 [pid 1765] <... write resumed>) = 4 [pid 1766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1765] close(3 [pid 1766] <... prctl resumed>) = 0 [pid 1765] <... close resumed>) = 0 [pid 1766] setpgid(0, 0 [pid 1765] symlink("/dev/binderfs", "./binderfs" [pid 1768] set_robust_list(0x555593f8a6a0, 24 [pid 1767] <... prctl resumed>) = 0 [pid 1766] <... setpgid resumed>) = 0 [pid 1767] setpgid(0, 0) = 0 [pid 1767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1765] <... symlink resumed>) = 0 [pid 1768] <... set_robust_list resumed>) = 0 [pid 1766] <... openat resumed>) = 3 [pid 1765] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1768] rt_sigprocmask(SIG_SETMASK, [] [pid 1767] <... openat resumed>) = 3 executing program [pid 1766] write(3, "1000", 4 [pid 1768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1765] <... write resumed>) = 18 [pid 309] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1767] write(3, "1000", 4 [pid 1766] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 1765] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1766] close(3 [pid 309] fstat(3 [pid 1767] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1766] <... close resumed>) = 0 [pid 1765] <... socket resumed>) = 3 [pid 1767] close(3 [pid 1766] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 1768] chdir("./146" [pid 1765] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1767] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1767] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1768] <... chdir resumed>) = 0 [pid 1767] <... symlink resumed>) = 0 [pid 1766] <... symlink resumed>) = 0 [pid 1765] <... socket resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1767] write(1, "executing program\n", 18 [pid 309] newfstatat(AT_FDCWD, "./145/binderfs" [pid 1768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1766] write(1, "executing program\n", 18 [pid 1765] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1768] <... prctl resumed>) = 0 [pid 1766] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1767] <... write resumed>) = 18 [pid 1766] socket(AF_PPPOX, SOCK_STREAM, 1 executing program executing program [pid 309] unlink("./145/binderfs" [pid 1768] setpgid(0, 0 [pid 1765] <... connect resumed>) = -1 EEXIST (File exists) [pid 1767] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1766] <... socket resumed>) = 3 [pid 309] getdents64(3 [pid 1765] sendfile(-1, -1, [3 [pid 1768] <... setpgid resumed>) = 0 [pid 1766] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1767] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1765] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1766] <... socket resumed>) = 4 [pid 1765] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1766] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... close resumed>) = 0 [pid 1768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./145" [pid 1768] <... openat resumed>) = 3 [pid 1767] <... socket resumed>) = 4 [pid 1766] <... connect resumed>) = -1 EEXIST (File exists) [pid 1765] <... clone3 resumed>) = 1769 [pid 309] <... rmdir resumed>) = 0 [pid 1768] write(3, "1000", 4 [pid 1767] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1766] sendfile(-1, -1, [3 [pid 1765] ioctl(3, PPPIOCSMRU, 0 [pid 309] mkdir("./146", 0777 [pid 1768] <... write resumed>) = 4 [pid 1767] <... connect resumed>) = -1 EEXIST (File exists) [pid 1766] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1765] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1768] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 1766] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1768] <... close resumed>) = 0 [pid 1767] sendfile(-1, -1, [3 [pid 1765] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1768] symlink("/dev/binderfs", "./binderfs" [pid 1767] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1768] <... symlink resumed>) = 0 [pid 1766] <... clone3 resumed>) = 1770 [pid 1765] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 1768] write(1, "executing program\n", 18 [pid 1767] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1766] ioctl(3, PPPIOCSMRU, 0 [pid 1768] <... write resumed>) = 18 [pid 1765] +++ exited with 0 +++ [pid 1766] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1768] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1766] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1768] <... socket resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1768] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1768] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1766] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1771 ci2-android-6-1/strace-static-x86_64: Process 1771 attached [pid 1768] <... connect resumed>) = -1 EEXIST (File exists) [pid 1767] <... clone3 resumed>) = 1772 [pid 1766] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1771] set_robust_list(0x555593f8a6a0, 24 [pid 1767] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1771] <... set_robust_list resumed>) = 0 [pid 1767] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1768] sendfile(-1, -1, [3 [pid 1767] exit_group(0 [pid 1771] rt_sigprocmask(SIG_SETMASK, [] [pid 1768] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1767] <... exit_group resumed>) = ? [pid 1768] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1773 [pid 1767] +++ exited with 0 +++ [pid 1768] ioctl(3, PPPIOCSMRU, 0 [pid 1771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1768] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1771] chdir("./146" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1771] <... chdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1771] setpgid(0, 0) = 0 [pid 1771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1771] write(3, "1000", 4) = 4 [pid 1768] exit_group(0 [pid 1771] close(3) = 0 [pid 1771] symlink("/dev/binderfs", "./binderfs" [pid 1768] <... exit_group resumed>) = ? [pid 1771] <... symlink resumed>) = 0 [pid 1771] write(1, "executing program\n", 18) = 18 executing program [pid 1771] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1771] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1771] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1771] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1771] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1774 [pid 1768] +++ exited with 0 +++ [pid 1771] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1771] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1771] <... exit_group resumed>) = ? [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 1771] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./146/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./146") = 0 [pid 307] mkdir("./147", 0777) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1775 attached [pid 1775] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1775 [pid 1775] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1775] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1775] chdir("./147") = 0 [pid 1775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1775] setpgid(0, 0) = 0 [pid 1775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall resumed>) = 0 [pid 1775] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1775] write(3, "1000", 4) = 4 [pid 306] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1775] close(3 [pid 310] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1775] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1775] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 1775] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 1775] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 309] fstat(3 [pid 308] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 1775] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 1775] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1775] <... socket resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1775] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1775] <... socket resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./144/binderfs" [pid 1775] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] newfstatat(AT_FDCWD, "./146/binderfs" [pid 309] newfstatat(AT_FDCWD, "./146/binderfs" [pid 308] newfstatat(AT_FDCWD, "./145/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1775] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./144/binderfs" [pid 1775] sendfile(-1, -1, [3 [pid 310] unlink("./146/binderfs" [pid 309] unlink("./146/binderfs" [pid 308] unlink("./145/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 1775] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 1775] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1775] <... clone3 resumed>) = 1776 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 1775] ioctl(3, PPPIOCSMRU, 0 [pid 309] close(3 [pid 308] close(3 [pid 306] <... close resumed>) = 0 [pid 1775] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] rmdir("./144" [pid 1775] exit_group(0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./146" [pid 308] rmdir("./145" [pid 1775] <... exit_group resumed>) = ? [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1775] +++ exited with 0 +++ [pid 309] mkdir("./147", 0777 [pid 308] mkdir("./146", 0777 [pid 306] mkdir("./145", 0777 [pid 310] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 310] rmdir("./146" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... mkdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1777 attached [pid 310] mkdir("./147", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1778 attached [pid 1777] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1777 ci2-android-6-1/strace-static-x86_64: Process 1779 attached [pid 1778] set_robust_list(0x555593f8a6a0, 24 [pid 1777] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1778 [pid 307] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1779] set_robust_list(0x555593f8a6a0, 24 [pid 1777] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1779 [pid 1779] <... set_robust_list resumed>) = 0 [pid 1777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1779] rt_sigprocmask(SIG_SETMASK, [] [pid 1778] <... set_robust_list resumed>) = 0 [pid 1777] chdir("./147" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1777] <... chdir resumed>) = 0 [pid 307] fstat(3 [pid 1779] chdir("./145" [pid 1777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1779] <... chdir resumed>) = 0 [pid 1777] <... prctl resumed>) = 0 [pid 307] getdents64(3 [pid 1779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1777] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1779] <... prctl resumed>) = 0 [pid 1777] <... setpgid resumed>) = 0 [pid 307] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1779] setpgid(0, 0 [pid 1777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1779] <... setpgid resumed>) = 0 [pid 1777] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./147/binderfs" [pid 1779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1777] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1779] <... openat resumed>) = 3 [pid 1778] rt_sigprocmask(SIG_SETMASK, [] [pid 1777] <... write resumed>) = 4 [pid 307] unlink("./147/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1780 attached [pid 1779] write(3, "1000", 4 [pid 1778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1777] close(3 [pid 307] <... unlink resumed>) = 0 [pid 1780] set_robust_list(0x555593f8a6a0, 24 [pid 1779] <... write resumed>) = 4 [pid 1778] chdir("./146" [pid 1777] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 1779] close(3 [pid 1778] <... chdir resumed>) = 0 [pid 1777] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1780 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1779] <... close resumed>) = 0 [pid 1777] <... symlink resumed>) = 0 [pid 307] close(3 [pid 1779] symlink("/dev/binderfs", "./binderfs" executing program [pid 1777] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 1779] <... symlink resumed>) = 0 [pid 1777] <... write resumed>) = 18 [pid 307] rmdir("./147" executing program [pid 1779] write(1, "executing program\n", 18 [pid 1777] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... rmdir resumed>) = 0 [pid 1779] <... write resumed>) = 18 [pid 1777] <... socket resumed>) = 3 [pid 307] mkdir("./148", 0777 [pid 1779] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1777] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... mkdir resumed>) = 0 [pid 1779] <... socket resumed>) = 3 [pid 1777] <... socket resumed>) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1779] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1777] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1779] <... socket resumed>) = 4 [pid 1777] <... connect resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1779] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1777] sendfile(-1, -1, [3 [pid 1779] <... connect resumed>) = -1 EEXIST (File exists) [pid 1777] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1781 [pid 1779] sendfile(-1, -1, [3 [pid 1777] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1779] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1777] <... clone3 resumed>) = 1782 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1779] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1777] ioctl(3, PPPIOCSMRU, 0 [pid 1779] <... clone3 resumed>) = 1783 [pid 1777] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1779] ioctl(3, PPPIOCSMRU, 0 [pid 1777] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 1781 attached [pid 1779] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1777] <... exit_group resumed>) = ? [pid 1781] set_robust_list(0x555593f8a6a0, 24 [pid 1779] exit_group(0 [pid 1777] +++ exited with 0 +++ [pid 1781] <... set_robust_list resumed>) = 0 [pid 1779] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1781] rt_sigprocmask(SIG_SETMASK, [] [pid 1779] +++ exited with 0 +++ [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1781] chdir("./148" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1781] <... chdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1781] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1781] setpgid(0, 0 [pid 309] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1781] <... setpgid resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] fstat(3 [pid 306] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1781] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 1781] write(3, "1000", 4 [pid 309] getdents64(3 [pid 306] fstat(3 [pid 1781] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1781] close(3 [ 34.287548][ T1732] ------------[ cut here ]------------ [ 34.293715][ T1732] WARNING: CPU: 0 PID: 1732 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 34.303894][ T1732] Modules linked in: [ 34.307833][ T1732] CPU: 0 PID: 1732 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 34.317202][ T1732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 34.327332][ T1732] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 309] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 1781] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1781] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./147/binderfs" [pid 306] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1781] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1781] write(1, "executing program\n", 18 [pid 309] unlink("./147/binderfs" [pid 306] newfstatat(AT_FDCWD, "./145/binderfs" [pid 1781] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1781] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] getdents64(3 [pid 306] unlink("./145/binderfs" [pid 1781] <... socket resumed>) = 3 [pid 1780] <... set_robust_list resumed>) = 0 [pid 1778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1781] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1780] rt_sigprocmask(SIG_SETMASK, [] [pid 1778] <... prctl resumed>) = 0 [pid 309] close(3 [pid 306] getdents64(3 [pid 1781] <... socket resumed>) = 4 [pid 1780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1778] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1781] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1780] chdir("./147" [pid 1778] <... setpgid resumed>) = 0 [pid 309] rmdir("./147" [pid 306] close(3 [pid 1781] <... connect resumed>) = -1 EEXIST (File exists) [ 34.333728][ T1732] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 34.353414][ T1732] RSP: 0018:ffffc900024b7b90 EFLAGS: 00010293 [ 34.359530][ T1732] RAX: ffffffff849ca097 RBX: ffff88811b249000 RCX: ffff8881167b5100 [ 34.367595][ T1732] RDX: 0000000000000000 RSI: 000000001493b8c0 RDI: 000000000c04eb7d [ 34.375634][ T1732] RBP: ffffc900024b7bb0 R08: ffff88811b249083 R09: 1ffff11023649210 [ 34.383673][ T1732] R10: dffffc0000000000 R11: ffffed1023649211 R12: dffffc0000000000 [ 34.391676][ T1732] R13: dffffc0000000000 R14: 000000001493b8c0 R15: ffff8881151db000 [ 34.399710][ T1732] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 34.408708][ T1732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.415359][ T1732] CR2: 00007f1cc07ebf9e CR3: 000000000700f000 CR4: 00000000003506b0 [ 34.423398][ T1732] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.431416][ T1732] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.439451][ T1732] Call Trace: [ 34.442765][ T1732] [ 34.445726][ T1732] pppol2tp_release+0x150/0x2b0 [ 34.450618][ T1732] sock_close+0xc9/0x220 [ 34.454926][ T1732] ? __cfi_sock_close+0x10/0x10 [ 34.459982][ T1732] __fput+0x1fd/0x8f0 [ 34.464036][ T1732] ____fput+0x15/0x20 [ 34.468057][ T1732] task_work_run+0x1e1/0x250 [ 34.472711][ T1732] ? __cfi_task_work_run+0x10/0x10 [ 34.477857][ T1732] ? free_nsproxy+0x21f/0x270 [ 34.482635][ T1732] do_exit+0xb0d/0x29f0 [ 34.486841][ T1732] ? __cfi_do_exit+0x10/0x10 [ 34.491467][ T1732] ? irqtime_account_irq+0x17c/0x240 [ 34.496868][ T1732] ? debug_smp_processor_id+0x17/0x20 [ 34.502311][ T1732] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 34.508420][ T1732] __x64_sys_exit+0x40/0x40 [ 34.513005][ T1732] x64_sys_call+0x67/0x9a0 [ 34.517454][ T1732] do_syscall_64+0x4c/0xa0 [ 34.521911][ T1732] ? clear_bhb_loop+0x30/0x80 [ 34.526670][ T1732] ? clear_bhb_loop+0x30/0x80 [ 34.531381][ T1732] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 34.537358][ T1732] RIP: 0033:0x7f1cc07fe169 [ 34.541827][ T1732] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 34.548905][ T1732] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 34.557373][ T1732] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 34.565429][ T1732] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.573456][ T1732] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [pid 1780] <... chdir resumed>) = 0 [pid 1778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1781] sendfile(-1, -1, [3 [pid 1780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1778] <... openat resumed>) = 3 [pid 309] mkdir("./148", 0777 [pid 306] rmdir("./145" [pid 1781] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1780] <... prctl resumed>) = 0 [pid 1778] write(3, "1000", 4 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1781] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1780] setpgid(0, 0 [pid 1778] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./146", 0777 [pid 1781] <... clone3 resumed>) = 1784 [pid 1780] <... setpgid resumed>) = 0 [pid 1778] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1781] ioctl(3, PPPIOCSMRU, 0 [pid 1780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1778] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1781] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1780] <... openat resumed>) = 3 [pid 1778] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1781] exit_group(0 [pid 1780] write(3, "1000", 4 [pid 1778] <... symlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1785 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1781] <... exit_group resumed>) = ? [pid 1780] <... write resumed>) = 4 [pid 1778] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1781] +++ exited with 0 +++ [pid 1780] close(3 [pid 1778] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1786 [pid 1780] <... close resumed>) = 0 [pid 1778] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1780] symlink("/dev/binderfs", "./binderfs" [pid 1778] <... socket resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1780] <... symlink resumed>) = 0 [pid 1778] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1780] write(1, "executing program\n", 18 [pid 1778] <... socket resumed>) = 4 [pid 307] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] <... write resumed>) = 18 [pid 1778] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1780] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1778] <... connect resumed>) = -1 EEXIST (File exists) executing program executing program [pid 307] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1780] <... socket resumed>) = 3 [pid 1778] sendfile(-1, -1, [3 [pid 307] <... openat resumed>) = 3 [pid 1780] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1778] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] fstat(3 [pid 1780] <... socket resumed>) = 4 [pid 1778] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1780] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1778] <... clone3 resumed>) = 1787 [pid 307] getdents64(3 [pid 1780] <... connect resumed>) = -1 EEXIST (File exists) [pid 1778] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1780] sendfile(-1, -1, [3 [pid 1778] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1778] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1780] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1778] <... exit_group resumed>) = ? [pid 307] newfstatat(AT_FDCWD, "./148/binderfs" [pid 1780] <... clone3 resumed>) = 1788 [pid 1778] +++ exited with 0 +++ [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1780] ioctl(3, PPPIOCSMRU, 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./148/binderfs" [pid 1780] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... unlink resumed>) = 0 [pid 1780] exit_group(0 [pid 307] getdents64(3 [pid 1780] <... exit_group resumed>) = ? [pid 308] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1780] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./148" [pid 308] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./149", 0777 [pid 308] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... restart_syscall resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1789 [pid 308] unlink("./146/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] close(3 [pid 310] fstat(3 [pid 308] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./146"ci2-android-6-1/strace-static-x86_64: Process 1789 attached [pid 310] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 1789] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] mkdir("./147", 0777 [pid 1789] <... set_robust_list resumed>) = 0 [pid 310] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 1789] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./147/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1789] chdir("./149" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1789] <... chdir resumed>) = 0 [pid 310] unlink("./147/binderfs" [pid 1789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1790 [pid 1789] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1789] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1789] <... setpgid resumed>) = 0 [pid 310] close(3 [pid 1789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 1789] <... openat resumed>) = 3 [pid 310] rmdir("./147" [pid 1789] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 1789] <... write resumed>) = 4 [pid 310] mkdir("./148", 0777 [pid 1789] close(3 [pid 310] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1790 attached [pid 1789] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1790] set_robust_list(0x555593f8a6a0, 24 [pid 1789] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1790] <... set_robust_list resumed>) = 0 [pid 1789] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1790] rt_sigprocmask(SIG_SETMASK, [] [pid 1789] write(1, "executing program\n", 18 [pid 1790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1789] <... write resumed>) = 18 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1791 [pid 1790] chdir("./147" [pid 1789] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1790] <... chdir resumed>) = 0 [pid 1789] <... socket resumed>) = 3 executing program executing program executing program executing program [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1789] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1790] <... prctl resumed>) = 0 [pid 1789] <... socket resumed>) = 4 [pid 1790] setpgid(0, 0 [pid 1789] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1790] <... setpgid resumed>) = 0 [pid 1789] <... connect resumed>) = -1 ENODEV (No such device) [pid 1790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1789] sendfile(-1, -1, [3 [pid 1790] <... openat resumed>) = 3 [pid 1789] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1790] write(3, "1000", 4 [pid 1789] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1791 attached [pid 1790] <... write resumed>) = 4 [pid 1789] <... clone3 resumed>) = 1792 [pid 1791] set_robust_list(0x555593f8a6a0, 24 [pid 1790] close(3 [pid 1789] ioctl(3, PPPIOCSMRU, 0 [pid 1791] <... set_robust_list resumed>) = 0 [pid 1790] <... close resumed>) = 0 [pid 1789] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1791] rt_sigprocmask(SIG_SETMASK, [] [pid 1790] symlink("/dev/binderfs", "./binderfs" [pid 1789] exit_group(0 [pid 1791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1790] <... symlink resumed>) = 0 [pid 1789] <... exit_group resumed>) = ? [pid 1791] chdir("./148" [pid 1790] write(1, "executing program\n", 18 [pid 1789] +++ exited with 0 +++ [pid 1791] <... chdir resumed>) = 0 [pid 1790] <... write resumed>) = 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1789, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1790] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1791] <... prctl resumed>) = 0 [pid 1790] <... socket resumed>) = 3 [pid 1791] setpgid(0, 0 [pid 1790] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1791] <... setpgid resumed>) = 0 [pid 1790] <... socket resumed>) = 4 [pid 1791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1790] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1791] <... openat resumed>) = 3 [pid 1790] <... connect resumed>) = -1 ENODEV (No such device) [pid 307] <... restart_syscall resumed>) = 0 [pid 1791] write(3, "1000", 4 [pid 1790] sendfile(-1, -1, [3 [pid 1791] <... write resumed>) = 4 [pid 1790] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1791] close(3 [pid 1790] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1791] <... close resumed>) = 0 [pid 1790] <... clone3 resumed>) = 1793 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1791] symlink("/dev/binderfs", "./binderfs" [pid 1790] ioctl(3, PPPIOCSMRU, 0 [pid 307] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1791] <... symlink resumed>) = 0 [pid 1790] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... openat resumed>) = 3 [pid 1791] write(1, "executing program\n", 18 [pid 1790] exit_group(0 [pid 307] fstat(3 [pid 1791] <... write resumed>) = 18 [pid 1790] <... exit_group resumed>) = ? [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1791] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1790] +++ exited with 0 +++ [pid 307] getdents64(3 [pid 1791] <... socket resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1791] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1791] <... socket resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1791] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] newfstatat(AT_FDCWD, "./149/binderfs" [pid 1791] <... connect resumed>) = -1 ENODEV (No such device) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1791] sendfile(-1, -1, [3 [pid 307] unlink("./149/binderfs" [pid 1791] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... unlink resumed>) = 0 [pid 1791] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 1791] <... clone3 resumed>) = 1794 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1791] ioctl(3, PPPIOCSMRU, 0 [pid 308] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 1791] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 1791] exit_group(0 [pid 308] fstat(3 [pid 307] rmdir("./149" [pid 1791] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1791] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 307] mkdir("./150", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./147/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./147/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1795 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 308] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 308] rmdir("./147" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rmdir resumed>) = 0 [pid 310] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./148", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./148/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1795 attached [pid 310] unlink("./148/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1795] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... unlink resumed>) = 0 [pid 1795] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1796 [pid 1795] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1795] chdir("./150" [pid 310] <... close resumed>) = 0 [pid 1795] <... chdir resumed>) = 0 [pid 310] rmdir("./148" [pid 1795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 1795] <... prctl resumed>) = 0 [pid 310] mkdir("./149", 0777 [pid 1795] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 1795] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1795] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1796 attached [pid 1795] write(3, "1000", 4 [pid 1796] set_robust_list(0x555593f8a6a0, 24 [pid 1795] <... write resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1797 [pid 1796] <... set_robust_list resumed>) = 0 [pid 1795] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1796] rt_sigprocmask(SIG_SETMASK, [] [pid 1795] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1795] symlink("/dev/binderfs", "./binderfs" [pid 1796] chdir("./148" [pid 1795] <... symlink resumed>) = 0 [pid 1796] <... chdir resumed>) = 0 [pid 1795] write(1, "executing program\n", 18 [pid 1796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1795] <... write resumed>) = 18 [pid 1796] <... prctl resumed>) = 0 [pid 1795] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1796] setpgid(0, 0 [pid 1795] <... socket resumed>) = 3 [pid 1796] <... setpgid resumed>) = 0 [pid 1795] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1795] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 1797 attached [pid 1796] <... openat resumed>) = 3 [pid 1795] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1797] set_robust_list(0x555593f8a6a0, 24 [pid 1796] write(3, "1000", 4 [pid 1795] <... connect resumed>) = -1 ENODEV (No such device) [pid 1797] <... set_robust_list resumed>) = 0 [pid 1796] <... write resumed>) = 4 [pid 1795] sendfile(-1, -1, [3 [pid 1797] rt_sigprocmask(SIG_SETMASK, [] [pid 1796] close(3 [pid 1795] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1796] <... close resumed>) = 0 [pid 1795] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1797] chdir("./149" [pid 1796] symlink("/dev/binderfs", "./binderfs" [pid 1795] <... clone3 resumed>) = 1798 [pid 1797] <... chdir resumed>) = 0 [pid 1796] <... symlink resumed>) = 0 [pid 1795] ioctl(3, PPPIOCSMRU, 0 [pid 1797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1796] write(1, "executing program\n", 18 [pid 1795] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1797] <... prctl resumed>) = 0 [pid 1796] <... write resumed>) = 18 [pid 1795] exit_group(0 [pid 1797] setpgid(0, 0 [pid 1796] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1795] <... exit_group resumed>) = ? [pid 1797] <... setpgid resumed>) = 0 [pid 1796] <... socket resumed>) = 3 [pid 1795] +++ exited with 0 +++ [pid 1797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1796] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1797] <... openat resumed>) = 3 [pid 1796] <... socket resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1797] write(3, "1000", 4 [pid 1796] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1797] <... write resumed>) = 4 [pid 1796] <... connect resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1797] close(3 [pid 1796] sendfile(-1, -1, [3 [pid 1797] <... close resumed>) = 0 [pid 1796] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1797] symlink("/dev/binderfs", "./binderfs" [pid 1796] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1797] <... symlink resumed>) = 0 [pid 1796] <... clone3 resumed>) = 1799 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1797] write(1, "executing program\n", 18 [pid 1796] ioctl(3, PPPIOCSMRU, 0 [pid 307] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1797] <... write resumed>) = 18 [pid 1796] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 307] <... openat resumed>) = 3 [pid 1797] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1796] exit_group(0 [pid 307] fstat(3 [pid 1797] <... socket resumed>) = 3 [pid 1796] <... exit_group resumed>) = ? [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1797] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1796] +++ exited with 0 +++ [pid 307] getdents64(3 [pid 1797] <... socket resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1797] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1797] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1797] sendfile(-1, -1, [3 [pid 307] newfstatat(AT_FDCWD, "./150/binderfs" [pid 1797] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1797] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] unlink("./150/binderfs" [pid 1797] <... clone3 resumed>) = 1800 [pid 307] <... unlink resumed>) = 0 [pid 1797] ioctl(3, PPPIOCSMRU, 0 [pid 307] getdents64(3 [pid 1797] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1797] exit_group(0 [pid 307] close(3 [pid 1797] <... exit_group resumed>) = ? [pid 307] <... close resumed>) = 0 [pid 1797] +++ exited with 0 +++ [pid 307] rmdir("./150" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] mkdir("./151", 0777) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1801 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1786 attached ci2-android-6-1/strace-static-x86_64: Process 1785 attached [pid 1786] set_robust_list(0x555593f8a6a0, 24 [pid 1785] set_robust_list(0x555593f8a6a0, 24 [pid 308] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1786] <... set_robust_list resumed>) = 0 [pid 1785] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1786] rt_sigprocmask(SIG_SETMASK, [] [pid 1785] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 1786] chdir("./146" [pid 1785] chdir("./148" [pid 308] fstat(3 [pid 1786] <... chdir resumed>) = 0 [pid 1785] <... chdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] getdents64(3 [pid 1786] <... prctl resumed>) = 0 [pid 1785] <... prctl resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1786] setpgid(0, 0 [pid 1785] setpgid(0, 0 [pid 308] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1786] <... setpgid resumed>) = 0 [pid 1785] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] newfstatat(AT_FDCWD, "./148/binderfs" [pid 1786] <... openat resumed>) = 3 [pid 1785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1786] write(3, "1000", 4 [pid 1785] <... openat resumed>) = 3 [pid 308] unlink("./148/binderfs" [pid 1786] <... write resumed>) = 4 [pid 1785] write(3, "1000", 4 [pid 308] <... unlink resumed>) = 0 [pid 1786] close(3 [pid 1785] <... write resumed>) = 4 [pid 308] getdents64(3 [pid 1786] <... close resumed>) = 0 [pid 1785] close(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 1801 attached [pid 1786] symlink("/dev/binderfs", "./binderfs" [pid 1785] <... close resumed>) = 0 [pid 308] close(3 [pid 1801] set_robust_list(0x555593f8a6a0, 24 [pid 1786] <... symlink resumed>) = 0 [pid 1785] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 1801] <... set_robust_list resumed>) = 0 [pid 1786] write(1, "executing program\n", 18 [pid 1785] <... symlink resumed>) = 0 executing program [pid 308] rmdir("./148" [pid 1801] rt_sigprocmask(SIG_SETMASK, [] [pid 1786] <... write resumed>) = 18 [pid 1785] write(1, "executing program\n", 18 [pid 308] <... rmdir resumed>) = 0 executing program [pid 1801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1786] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1785] <... write resumed>) = 18 [pid 308] mkdir("./149", 0777 [pid 1801] chdir("./151" [pid 1786] <... socket resumed>) = 3 [pid 1785] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... mkdir resumed>) = 0 [pid 1801] <... chdir resumed>) = 0 [pid 1786] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1785] <... socket resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1786] <... socket resumed>) = 4 [pid 1785] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1801] <... prctl resumed>) = 0 [pid 1786] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1785] <... socket resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1801] setpgid(0, 0 [pid 1786] <... connect resumed>) = -1 EEXIST (File exists) [pid 1785] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... restart_syscall resumed>) = 0 [pid 1801] <... setpgid resumed>) = 0 [pid 1786] sendfile(-1, -1, [3 [pid 1785] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1802 [pid 1801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1786] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1785] sendfile(-1, -1, [3 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1802 attached [pid 1801] <... openat resumed>) = 3 [pid 1786] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1785] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1801] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1801] <... write resumed>) = 4 [pid 1786] <... clone3 resumed>) = 1803 [pid 1785] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1802] set_robust_list(0x555593f8a6a0, 24 [pid 1801] close(3 [pid 1786] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... openat resumed>) = 3 [pid 1801] <... close resumed>) = 0 [pid 310] fstat(3 [pid 1802] <... set_robust_list resumed>) = 0 [pid 1801] symlink("/dev/binderfs", "./binderfs" [pid 1786] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1785] <... clone3 resumed>) = 1804 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1801] <... symlink resumed>) = 0 [pid 1786] exit_group(0 [pid 1785] ioctl(3, PPPIOCSMRU, 0 [pid 310] getdents64(3 [pid 1802] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1801] write(1, "executing program\n", 18 [pid 1786] <... exit_group resumed>) = ? [pid 1785] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1801] <... write resumed>) = 18 [pid 310] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1801] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1801] <... socket resumed>) = 3 [pid 1786] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./149/binderfs" [pid 1802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1801] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1785] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1802] chdir("./149" [pid 1801] <... socket resumed>) = 4 [pid 1785] <... exit_group resumed>) = ? [pid 310] unlink("./149/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1802] <... chdir resumed>) = 0 [pid 1801] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... unlink resumed>) = 0 [pid 1802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1801] <... connect resumed>) = -1 EEXIST (File exists) [pid 1785] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 1802] <... prctl resumed>) = 0 [pid 1801] sendfile(-1, -1, [3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1802] setpgid(0, 0 [pid 1801] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1802] <... setpgid resumed>) = 0 [pid 1801] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... close resumed>) = 0 [pid 1802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1801] <... clone3 resumed>) = 1805 [pid 310] rmdir("./149" [pid 1801] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rmdir resumed>) = 0 [pid 1801] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] mkdir("./150", 0777 [pid 1801] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 1801] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1802] <... openat resumed>) = 3 [pid 1801] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1802] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1802] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1802] close(3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1806 [pid 1802] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1802] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1806 attached [pid 1802] <... symlink resumed>) = 0 [pid 1802] write(1, "executing program\n", 18) = 18 executing program [pid 1802] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1802] <... socket resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1802] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1802] <... socket resumed>) = 4 [pid 1802] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1802] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1802] sendfile(-1, -1, [3 [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1802] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] fstat(3 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 1802] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 1802] <... clone3 resumed>) = 1807 [pid 309] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1802] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1802] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] newfstatat(AT_FDCWD, "./148/binderfs" [pid 307] newfstatat(AT_FDCWD, "./151/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1802] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./146/binderfs" [pid 1802] <... exit_group resumed>) = ? [pid 309] unlink("./148/binderfs" [pid 307] unlink("./151/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 34.581581][ T1732] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [ 34.589614][ T1732] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 000000000000008c [ 34.597661][ T1732] [ 34.600719][ T1732] ---[ end trace 0000000000000000 ]--- [pid 1802] +++ exited with 0 +++ [pid 1806] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./146/binderfs" [pid 1806] <... set_robust_list resumed>) = 0 [pid 309] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 1806] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 1806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1806] chdir("./150" [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 1806] <... chdir resumed>) = 0 [pid 309] rmdir("./148" [pid 307] rmdir("./151" [pid 306] <... close resumed>) = 0 [pid 1806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./146" [pid 1806] <... prctl resumed>) = 0 [pid 309] mkdir("./149", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./152", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 1806] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./147", 0777 [pid 1806] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 1806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1806] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1806] write(3, "1000", 4 [pid 308] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1806] <... write resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1808 [pid 308] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1809 ci2-android-6-1/strace-static-x86_64: Process 1810 attached [pid 1806] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1810 ci2-android-6-1/strace-static-x86_64: Process 1809 attached ci2-android-6-1/strace-static-x86_64: Process 1808 attached [pid 1810] set_robust_list(0x555593f8a6a0, 24 [pid 1806] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1810] <... set_robust_list resumed>) = 0 [pid 1809] set_robust_list(0x555593f8a6a0, 24 [pid 1808] set_robust_list(0x555593f8a6a0, 24 [pid 1806] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1810] rt_sigprocmask(SIG_SETMASK, [] [pid 1809] <... set_robust_list resumed>) = 0 [pid 1808] <... set_robust_list resumed>) = 0 [pid 1806] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1809] rt_sigprocmask(SIG_SETMASK, [] [pid 1808] rt_sigprocmask(SIG_SETMASK, [] [pid 1806] write(1, "executing program\n", 18 [pid 308] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1810] chdir("./147" [pid 1809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1806] <... write resumed>) = 18 [pid 1810] <... chdir resumed>) = 0 [pid 1808] chdir("./149" [pid 1806] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1809] chdir("./152" [pid 1808] <... chdir resumed>) = 0 [pid 1806] <... socket resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./149/binderfs" [pid 1810] <... prctl resumed>) = 0 [pid 1809] <... chdir resumed>) = 0 [pid 1808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1806] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1810] setpgid(0, 0 [pid 1809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1808] <... prctl resumed>) = 0 [pid 1806] <... socket resumed>) = 4 [pid 308] unlink("./149/binderfs" [pid 1810] <... setpgid resumed>) = 0 [pid 1809] <... prctl resumed>) = 0 [pid 1808] setpgid(0, 0 [pid 1806] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 1810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1809] setpgid(0, 0 [pid 1808] <... setpgid resumed>) = 0 [pid 1806] sendfile(-1, -1, [3 [pid 308] getdents64(3 [pid 1806] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1810] <... openat resumed>) = 3 [pid 1806] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] close(3 [pid 1810] write(3, "1000", 4 [pid 1809] <... setpgid resumed>) = 0 [pid 1808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1810] <... write resumed>) = 4 [pid 1809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1808] <... openat resumed>) = 3 [pid 1806] <... clone3 resumed>) = 1811 [pid 308] <... close resumed>) = 0 [pid 1810] close(3 [pid 1808] write(3, "1000", 4 [pid 1806] ioctl(3, PPPIOCSMRU, 0 [pid 308] rmdir("./149" [pid 1809] <... openat resumed>) = 3 [pid 1810] <... close resumed>) = 0 [pid 1808] <... write resumed>) = 4 [pid 1806] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... rmdir resumed>) = 0 [pid 1810] symlink("/dev/binderfs", "./binderfs" [pid 1809] write(3, "1000", 4 [pid 1808] close(3 [pid 1806] exit_group(0 [pid 308] mkdir("./150", 0777 [pid 1810] <... symlink resumed>) = 0 [pid 1809] <... write resumed>) = 4 [pid 1808] <... close resumed>) = 0 [pid 1806] <... exit_group resumed>) = ? [pid 308] <... mkdir resumed>) = 0 executing program [pid 1810] write(1, "executing program\n", 18 [pid 1809] close(3 [pid 1808] symlink("/dev/binderfs", "./binderfs" [pid 1810] <... write resumed>) = 18 [pid 1809] <... close resumed>) = 0 [pid 1806] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1810] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1810] <... socket resumed>) = 3 [pid 1809] symlink("/dev/binderfs", "./binderfs" [pid 1808] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1812 attached [pid 1810] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1812] set_robust_list(0x555593f8a6a0, 24 [pid 1810] <... socket resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1812 [pid 1812] <... set_robust_list resumed>) = 0 [pid 1810] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1808] write(1, "executing program\n", 18 executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1812] rt_sigprocmask(SIG_SETMASK, [] [pid 1810] <... connect resumed>) = -1 EEXIST (File exists) [pid 1809] <... symlink resumed>) = 0 [pid 1808] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1810] sendfile(-1, -1, [3 [pid 1809] write(1, "executing program\n", 18 executing program [pid 1808] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1812] chdir("./150" [pid 1810] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1809] <... write resumed>) = 18 [pid 1808] <... socket resumed>) = 3 [pid 1810] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1812] <... chdir resumed>) = 0 [pid 1812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1812] setpgid(0, 0) = 0 [pid 1812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1812] write(3, "1000", 4) = 4 [pid 1812] close(3) = 0 [pid 1812] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1812] write(1, "executing program\n", 18) = 18 [pid 1812] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1812] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1810] <... clone3 resumed>) = 1813 [pid 1809] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1808] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1812] <... socket resumed>) = 4 [pid 1810] ioctl(3, PPPIOCSMRU, 0 [pid 1808] <... socket resumed>) = 4 [pid 1810] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1809] <... socket resumed>) = 3 [pid 1812] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1810] exit_group(0 [pid 1809] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1808] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1810] <... exit_group resumed>) = ? [pid 1809] <... socket resumed>) = 4 [pid 1812] <... connect resumed>) = -1 EEXIST (File exists) [pid 1812] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1812] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1814 [pid 1810] +++ exited with 0 +++ [pid 1809] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1808] <... connect resumed>) = -1 EEXIST (File exists) [pid 1812] ioctl(3, PPPIOCSMRU, 0 [pid 1809] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1812] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1812] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 1812] <... exit_group resumed>) = ? [pid 1809] sendfile(-1, -1, [3 [pid 1808] sendfile(-1, -1, [3 [pid 1812] +++ exited with 0 +++ [pid 1809] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./147/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./147") = 0 [pid 306] mkdir("./148", 0777 [pid 1809] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1808] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1815 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1809] <... clone3 resumed>) = 1816 [pid 1808] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1815 attached [pid 1815] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1815] chdir("./148" [pid 1808] <... clone3 resumed>) = 1817 [pid 1809] ioctl(3, PPPIOCSMRU, 0 [pid 1815] <... chdir resumed>) = 0 [pid 1815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1815] setpgid(0, 0) = 0 [pid 1809] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1809] exit_group(0 [pid 1808] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... openat resumed>) = 3 [pid 1809] <... exit_group resumed>) = ? [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1808] exit_group(0 [pid 310] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1809] +++ exited with 0 +++ [pid 310] unlink("./150/binderfs" [pid 1808] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 308] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./150" [pid 308] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] mkdir("./151", 0777 [pid 308] fstat(3 [pid 1808] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1818 attached [pid 1815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1818 [pid 308] newfstatat(AT_FDCWD, "./150/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./150/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./150") = 0 [pid 308] mkdir("./151", 0777 [pid 1815] <... openat resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1818] set_robust_list(0x555593f8a6a0, 24 [pid 1815] write(3, "1000", 4 [pid 309] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1819 attached ) = -1 EINVAL (Invalid argument) [pid 307] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1819 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 309] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1819] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1819] <... set_robust_list resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./149/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1819] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./152/binderfs" [pid 1819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./149/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1819] chdir("./151" [pid 1818] <... set_robust_list resumed>) = 0 [pid 1815] <... write resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 307] unlink("./152/binderfs" [pid 1819] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 1819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1815] close(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 1819] <... prctl resumed>) = 0 [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1819] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 307] close(3 [pid 1819] <... setpgid resumed>) = 0 [pid 309] rmdir("./149" [pid 307] <... close resumed>) = 0 [pid 1819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./152" [pid 1819] <... openat resumed>) = 3 [pid 309] mkdir("./150", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 1819] write(3, "1000", 4 [pid 1818] rt_sigprocmask(SIG_SETMASK, [] [pid 1815] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] mkdir("./153", 0777 [pid 1819] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 1819] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1819] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1815] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 1820 attached [pid 1819] symlink("/dev/binderfs", "./binderfs" [pid 1818] chdir("./151" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1820] set_robust_list(0x555593f8a6a0, 24 [pid 1819] <... symlink resumed>) = 0 [pid 1815] <... symlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1820 [pid 1815] write(1, "executing program\n", 18) = 18 [pid 1815] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1815] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 executing program [pid 1819] write(1, "executing program\n", 18 [pid 1815] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1821 [pid 1819] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1819] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1819] <... socket resumed>) = 3 [pid 1815] <... connect resumed>) = -1 EEXIST (File exists) [pid 1820] <... set_robust_list resumed>) = 0 [pid 1819] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1818] <... chdir resumed>) = 0 [pid 1815] sendfile(-1, -1, [3 [pid 1820] rt_sigprocmask(SIG_SETMASK, [] [pid 1819] <... socket resumed>) = 4 [pid 1818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1815] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1819] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1818] <... prctl resumed>) = 0 [pid 1815] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1819] <... connect resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 1821 attached [pid 1820] chdir("./150" [pid 1819] sendfile(-1, -1, [3 [pid 1818] setpgid(0, 0 [pid 1821] set_robust_list(0x555593f8a6a0, 24 [pid 1820] <... chdir resumed>) = 0 [pid 1819] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1821] <... set_robust_list resumed>) = 0 [pid 1820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1819] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1818] <... setpgid resumed>) = 0 [pid 1815] <... clone3 resumed>) = 1822 [pid 1815] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1815] exit_group(0) = ? [pid 1821] rt_sigprocmask(SIG_SETMASK, [] [pid 1820] <... prctl resumed>) = 0 [pid 1819] <... clone3 resumed>) = 1823 [pid 1818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1815] +++ exited with 0 +++ [pid 1819] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1819] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1820] setpgid(0, 0 [pid 1819] <... exit_group resumed>) = ? [pid 1818] <... openat resumed>) = 3 [pid 1821] chdir("./153" [pid 1820] <... setpgid resumed>) = 0 [pid 1819] +++ exited with 0 +++ [pid 1820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1821] <... chdir resumed>) = 0 [pid 1818] write(3, "1000", 4) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1820] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1821] <... prctl resumed>) = 0 [pid 1820] write(3, "1000", 4 [pid 1818] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1821] setpgid(0, 0 [pid 1820] <... write resumed>) = 4 [pid 1818] <... close resumed>) = 0 [pid 1821] <... setpgid resumed>) = 0 [pid 1820] close(3 [pid 1818] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1820] <... close resumed>) = 0 [pid 1818] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1821] <... openat resumed>) = 3 [pid 1820] symlink("/dev/binderfs", "./binderfs" executing program [pid 1818] write(1, "executing program\n", 18 [pid 306] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1821] write(3, "1000", 4 [pid 1820] <... symlink resumed>) = 0 [pid 1818] <... write resumed>) = 18 [pid 306] <... openat resumed>) = 3 [pid 1821] <... write resumed>) = 4 [pid 1820] write(1, "executing program\n", 18 executing program [pid 1818] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] fstat(3 [pid 1821] close(3 [pid 1820] <... write resumed>) = 18 [pid 1818] <... socket resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1821] <... close resumed>) = 0 [pid 1820] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1818] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] getdents64(3 [pid 1821] symlink("/dev/binderfs", "./binderfs" [pid 1820] <... socket resumed>) = 3 [pid 1818] <... socket resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1821] <... symlink resumed>) = 0 [pid 1820] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1818] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1821] write(1, "executing program\n", 18 [pid 1820] <... socket resumed>) = 4 [pid 1818] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1821] <... write resumed>) = 18 [pid 1820] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 executing program [pid 1818] sendfile(-1, -1, [3 [pid 306] newfstatat(AT_FDCWD, "./148/binderfs" [pid 1821] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1820] <... connect resumed>) = -1 EEXIST (File exists) [pid 1818] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1821] <... socket resumed>) = 3 [pid 1820] sendfile(-1, -1, [3 [pid 1818] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] unlink("./148/binderfs" [pid 1821] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1820] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1818] <... clone3 resumed>) = 1824 [pid 1820] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1821] <... socket resumed>) = 4 [pid 1818] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... unlink resumed>) = 0 [pid 1821] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1821] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1821] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1820] <... clone3 resumed>) = 1825 [pid 1818] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] getdents64(3 [pid 1820] ioctl(3, PPPIOCSMRU, 0 [pid 1818] exit_group(0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1820] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1818] <... exit_group resumed>) = ? [pid 306] close(3 [pid 1821] <... clone3 resumed>) = 1826 [pid 1820] exit_group(0 [pid 1818] +++ exited with 0 +++ [pid 1820] <... exit_group resumed>) = ? [pid 306] <... close resumed>) = 0 [pid 1821] ioctl(3, PPPIOCSMRU, 0 [pid 1820] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./148" [pid 1821] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] mkdir("./149", 0777 [pid 1821] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1821] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1827 attached [pid 1821] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1827 [pid 308] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1827] set_robust_list(0x555593f8a6a0, 24 [pid 308] newfstatat(AT_FDCWD, "./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./151/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./151") = 0 [pid 308] mkdir("./152", 0777 [pid 1827] <... set_robust_list resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1827] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1828 attached [pid 1828] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1828 [pid 1828] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1828] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1828] chdir("./152") = 0 [pid 1828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1828] setpgid(0, 0) = 0 [pid 1828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1828] write(3, "1000", 4) = 4 [pid 1828] close(3) = 0 [pid 1828] symlink("/dev/binderfs", "./binderfs" [pid 1827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1828] <... symlink resumed>) = 0 [pid 1828] write(1, "executing program\n", 18) = 18 executing program [pid 1828] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1828] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1828] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1828] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1828] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1829 [pid 1827] chdir("./149" [pid 1828] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1828] exit_group(0) = ? [pid 1827] <... chdir resumed>) = 0 [pid 1828] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] fstat(3 [pid 307] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./151/binderfs" [pid 309] newfstatat(AT_FDCWD, "./150/binderfs" [pid 307] newfstatat(AT_FDCWD, "./153/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./151/binderfs" [pid 309] unlink("./150/binderfs" [pid 307] unlink("./153/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 1827] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1827] <... setpgid resumed>) = 0 [pid 310] close(3 [pid 309] close(3 [pid 307] close(3 [pid 1827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] rmdir("./151" [pid 309] rmdir("./150" [pid 307] rmdir("./153" [pid 1827] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1827] write(3, "1000", 4 [pid 310] mkdir("./152", 0777 [pid 309] mkdir("./151", 0777 [pid 307] mkdir("./154", 0777 [pid 1827] <... write resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1827] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 1827] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1827] symlink("/dev/binderfs", "./binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1831 attached ci2-android-6-1/strace-static-x86_64: Process 1830 attached [pid 1827] <... symlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1831] set_robust_list(0x555593f8a6a0, 24 [pid 1830] set_robust_list(0x555593f8a6a0, 24 [pid 1827] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1830 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1831 executing program ci2-android-6-1/strace-static-x86_64: Process 1832 attached [pid 1831] <... set_robust_list resumed>) = 0 [pid 1830] <... set_robust_list resumed>) = 0 [pid 1827] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1832] set_robust_list(0x555593f8a6a0, 24 [pid 1831] rt_sigprocmask(SIG_SETMASK, [] [pid 1827] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1832 [pid 1832] <... set_robust_list resumed>) = 0 [pid 1831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1827] <... socket resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1832] rt_sigprocmask(SIG_SETMASK, [] [pid 1831] chdir("./151" [pid 1827] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1831] <... chdir resumed>) = 0 [pid 1827] <... socket resumed>) = 4 [pid 308] <... openat resumed>) = 3 [pid 1832] chdir("./154" [pid 1831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1827] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] fstat(3 [pid 1832] <... chdir resumed>) = 0 [pid 1831] <... prctl resumed>) = 0 [pid 1827] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1831] setpgid(0, 0 [pid 1827] sendfile(-1, -1, [3 [pid 308] getdents64(3 [pid 1832] <... prctl resumed>) = 0 [pid 1831] <... setpgid resumed>) = 0 [pid 1827] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1832] setpgid(0, 0 [pid 1831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1827] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1832] <... setpgid resumed>) = 0 [pid 1831] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1831] write(3, "1000", 4 [pid 308] newfstatat(AT_FDCWD, "./152/binderfs" [pid 1832] <... openat resumed>) = 3 [pid 1831] <... write resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1832] write(3, "1000", 4 [pid 1831] close(3 [pid 1827] <... clone3 resumed>) = 1833 [pid 308] unlink("./152/binderfs" [pid 1832] <... write resumed>) = 4 [pid 1831] <... close resumed>) = 0 [pid 1827] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... unlink resumed>) = 0 [pid 1832] close(3 [pid 1831] symlink("/dev/binderfs", "./binderfs" [pid 1827] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] getdents64(3 [pid 1832] <... close resumed>) = 0 [pid 1831] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1832] symlink("/dev/binderfs", "./binderfs" [pid 1831] write(1, "executing program\n", 18 [pid 308] close(3 [pid 1832] <... symlink resumed>) = 0 [pid 1831] <... write resumed>) = 18 executing program [pid 1827] exit_group(0 [pid 308] <... close resumed>) = 0 [pid 1832] write(1, "executing program\n", 18 [pid 1831] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1827] <... exit_group resumed>) = ? [pid 308] rmdir("./152" [pid 1832] <... write resumed>) = 18 [pid 1831] <... socket resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 1832] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1831] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [pid 308] mkdir("./153", 0777 [pid 1832] <... socket resumed>) = 3 [pid 1831] <... socket resumed>) = 4 [pid 1830] rt_sigprocmask(SIG_SETMASK, [] [pid 1827] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 1832] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1831] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1832] <... socket resumed>) = 4 [pid 1831] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1832] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1831] sendfile(-1, -1, [3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1834 attached [pid 1832] <... connect resumed>) = -1 EEXIST (File exists) [pid 1831] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1832] sendfile(-1, -1, [3 [pid 1831] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1834 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1834] set_robust_list(0x555593f8a6a0, 24 [pid 1832] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1831] <... clone3 resumed>) = 1835 [pid 1830] chdir("./152" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1832] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1831] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 1834] <... set_robust_list resumed>) = 0 [pid 1832] <... clone3 resumed>) = 1836 [pid 1831] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1830] <... chdir resumed>) = 0 [pid 306] fstat(3 [pid 1832] ioctl(3, PPPIOCSMRU, 0 [pid 1831] exit_group(0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1834] rt_sigprocmask(SIG_SETMASK, [] [pid 1832] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1831] <... exit_group resumed>) = ? [pid 1830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(3 [pid 1834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1832] exit_group(0 [pid 1831] +++ exited with 0 +++ [pid 1830] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1832] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1834] chdir("./153" [pid 1832] +++ exited with 0 +++ [pid 1830] setpgid(0, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./149/binderfs" [pid 309] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 1834] <... chdir resumed>) = 0 [pid 1830] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 1834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1834] <... prctl resumed>) = 0 [pid 1830] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] close(3 [pid 1834] setpgid(0, 0 [pid 1830] write(3, "1000", 4 [pid 309] fstat(3 [pid 307] fstat(3 [pid 306] <... close resumed>) = 0 [pid 1834] <... setpgid resumed>) = 0 [pid 1830] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./149" [pid 1834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1830] close(3 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 1834] <... openat resumed>) = 3 [pid 1830] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] mkdir("./150", 0777 [pid 1834] write(3, "1000", 4 [pid 1830] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./151/binderfs" [pid 307] newfstatat(AT_FDCWD, "./154/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1834] <... write resumed>) = 4 [pid 1830] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1834] close(3 [pid 1830] write(1, "executing program\n", 18 [pid 309] unlink("./151/binderfs" executing program [pid 307] unlink("./154/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1834] <... close resumed>) = 0 [pid 1830] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1837 attached [pid 1834] symlink("/dev/binderfs", "./binderfs" [pid 1830] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 1837] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1837 [pid 1837] <... set_robust_list resumed>) = 0 [pid 1834] <... symlink resumed>) = 0 [pid 1830] <... socket resumed>) = 3 [pid 309] close(3 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1837] rt_sigprocmask(SIG_SETMASK, [] [pid 1834] write(1, "executing program\n", 18 [pid 1830] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1834] <... write resumed>) = 18 [pid 1830] <... socket resumed>) = 4 [pid 309] rmdir("./151" [pid 307] rmdir("./154" [pid 1834] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1830] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1834] <... socket resumed>) = 3 [pid 1830] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1834] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1830] sendfile(-1, -1, [3 [pid 309] mkdir("./152", 0777 [pid 307] mkdir("./155", 0777 [pid 1837] chdir("./150" [pid 1834] <... socket resumed>) = 4 [pid 1830] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1837] <... chdir resumed>) = 0 [pid 1834] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1830] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1834] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1837] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1837] setpgid(0, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1837] <... setpgid resumed>) = 0 [pid 1834] sendfile(-1, -1, [3 [pid 1830] <... clone3 resumed>) = 1838 [pid 1834] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1830] ioctl(3, PPPIOCSMRU, 0ci2-android-6-1/strace-static-x86_64: Process 1840 attached ci2-android-6-1/strace-static-x86_64: Process 1839 attached [pid 1837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1834] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1830] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1839 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1840 [pid 1840] set_robust_list(0x555593f8a6a0, 24 [pid 1839] set_robust_list(0x555593f8a6a0, 24 [pid 1837] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1840] <... set_robust_list resumed>) = 0 [pid 1839] <... set_robust_list resumed>) = 0 [pid 1837] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1840] rt_sigprocmask(SIG_SETMASK, [] [pid 1839] rt_sigprocmask(SIG_SETMASK, [] [pid 1837] <... write resumed>) = 4 [pid 1834] <... clone3 resumed>) = 1841 [pid 1840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1837] close(3 [pid 1834] ioctl(3, PPPIOCSMRU, 0 [pid 1830] exit_group(0 [pid 1840] chdir("./155" [pid 1839] chdir("./152" [pid 1837] <... close resumed>) = 0 [pid 1840] <... chdir resumed>) = 0 [pid 1839] <... chdir resumed>) = 0 [pid 1837] symlink("/dev/binderfs", "./binderfs" [pid 1834] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1830] <... exit_group resumed>) = ? [pid 1840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1837] <... symlink resumed>) = 0 [pid 1840] <... prctl resumed>) = 0 [pid 1839] <... prctl resumed>) = 0 [pid 1837] write(1, "executing program\n", 18 [pid 1840] setpgid(0, 0 [pid 1839] setpgid(0, 0 [pid 1837] <... write resumed>) = 18 [pid 1834] exit_group(0 [pid 1840] <... setpgid resumed>) = 0 [pid 1839] <... setpgid resumed>) = 0 [pid 1837] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1837] <... socket resumed>) = 3 [pid 1830] +++ exited with 0 +++ [pid 1834] <... exit_group resumed>) = ? [pid 1840] <... openat resumed>) = 3 [pid 1839] <... openat resumed>) = 3 [pid 1837] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1840] write(3, "1000", 4 [pid 1839] write(3, "1000", 4 [pid 1837] <... socket resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1840] <... write resumed>) = 4 [pid 1839] <... write resumed>) = 4 [pid 1837] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1840] close(3 [pid 1839] close(3 [pid 1837] <... connect resumed>) = -1 EEXIST (File exists) [pid 1840] <... close resumed>) = 0 [pid 1839] <... close resumed>) = 0 [pid 1837] sendfile(-1, -1, [3 [pid 1840] symlink("/dev/binderfs", "./binderfs" [pid 1839] symlink("/dev/binderfs", "./binderfs" [pid 1837] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1840] <... symlink resumed>) = 0 [pid 1839] <... symlink resumed>) = 0 [pid 1837] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1834] +++ exited with 0 +++ [pid 1840] write(1, "executing program\n", 18 [pid 1839] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program executing program [pid 1840] <... write resumed>) = 18 [pid 1839] <... write resumed>) = 18 [pid 1837] <... clone3 resumed>) = 1842 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1840] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1839] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1837] ioctl(3, PPPIOCSMRU, 0 [pid 1840] <... socket resumed>) = 3 [pid 1839] <... socket resumed>) = 3 [pid 1837] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1840] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1839] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1837] exit_group(0 [pid 1840] <... socket resumed>) = 4 [pid 1839] <... socket resumed>) = 4 [pid 1837] <... exit_group resumed>) = ? [pid 1840] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1839] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1837] +++ exited with 0 +++ [pid 1840] <... connect resumed>) = -1 EEXIST (File exists) [pid 1839] <... connect resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1840] sendfile(-1, -1, [3 [pid 1839] sendfile(-1, -1, [3 [pid 1840] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1839] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1840] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1839] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1840] <... clone3 resumed>) = 1843 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1840] ioctl(3, PPPIOCSMRU, 0 [pid 306] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1840] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... openat resumed>) = 3 [pid 1840] exit_group(0 [pid 1839] <... clone3 resumed>) = 1844 [pid 306] fstat(3 [pid 1840] <... exit_group resumed>) = ? [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1840] +++ exited with 0 +++ [pid 1839] ioctl(3, PPPIOCSMRU, 0 [pid 306] getdents64(3 [pid 1839] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1839] exit_group(0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1839] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./150/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1839] +++ exited with 0 +++ [pid 306] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./150" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] mkdir("./151", 0777 [pid 308] fstat(3 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 1845 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 308] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 1845] set_robust_list(0x555593f8a6a0, 24 [pid 310] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1845 [pid 1845] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./153/binderfs" [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1845] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./153/binderfs" [pid 1845] chdir("./151" [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1845] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] newfstatat(AT_FDCWD, "./152/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./155/binderfs" [pid 1845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1845] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./152/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] unlink("./155/binderfs" [pid 1845] setpgid(0, 0 [pid 310] newfstatat(AT_FDCWD, "./152/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] close(3 [pid 307] <... unlink resumed>) = 0 [pid 1845] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 1845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] unlink("./152/binderfs" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1845] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] close(3 [pid 307] close(3 [pid 1845] write(3, "1000", 4 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./153" [pid 307] <... close resumed>) = 0 [pid 1845] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./152" [pid 307] rmdir("./155" [pid 1845] close(3 [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 1845] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] mkdir("./153", 0777 [pid 308] mkdir("./154", 0777 [pid 307] mkdir("./156", 0777 [pid 1845] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./152" [pid 309] <... mkdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1845] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1845] write(1, "executing program\n", 18 [pid 310] mkdir("./153", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1845] <... write resumed>) = 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1846 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1845] socket(AF_PPPOX, SOCK_STREAM, 1ci2-android-6-1/strace-static-x86_64: Process 1847 attached ci2-android-6-1/strace-static-x86_64: Process 1848 attached ci2-android-6-1/strace-static-x86_64: Process 1846 attached [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1848 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1847 [pid 1848] set_robust_list(0x555593f8a6a0, 24 [pid 1845] <... socket resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1847] set_robust_list(0x555593f8a6a0, 24 [pid 1848] <... set_robust_list resumed>) = 0 [pid 1846] set_robust_list(0x555593f8a6a0, 24 [pid 1845] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1849 attached [pid 1847] <... set_robust_list resumed>) = 0 [pid 1848] rt_sigprocmask(SIG_SETMASK, [] [pid 1846] <... set_robust_list resumed>) = 0 [pid 1845] <... socket resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1849 [pid 1849] set_robust_list(0x555593f8a6a0, 24 [pid 1847] rt_sigprocmask(SIG_SETMASK, [] [pid 1848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1846] rt_sigprocmask(SIG_SETMASK, [] [pid 1845] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1849] <... set_robust_list resumed>) = 0 [pid 1847] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1848] chdir("./153" [pid 1846] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1845] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1849] rt_sigprocmask(SIG_SETMASK, [] [pid 1847] chdir("./156" [pid 1848] <... chdir resumed>) = 0 [pid 1846] chdir("./154" [pid 1845] sendfile(-1, -1, [3 [pid 1849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1847] <... chdir resumed>) = 0 [pid 1848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1846] <... chdir resumed>) = 0 [pid 1845] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1848] <... prctl resumed>) = 0 [pid 1845] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1848] setpgid(0, 0 [pid 1846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1849] chdir("./153") = 0 [pid 1845] <... clone3 resumed>) = 1850 [pid 1848] <... setpgid resumed>) = 0 [pid 1847] <... prctl resumed>) = 0 [pid 1846] <... prctl resumed>) = 0 [pid 1845] ioctl(3, PPPIOCSMRU, 0 [pid 1847] setpgid(0, 0 [pid 1848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1846] setpgid(0, 0 [pid 1849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1849] setpgid(0, 0) = 0 [pid 1845] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1847] <... setpgid resumed>) = 0 [pid 1848] <... openat resumed>) = 3 [pid 1846] <... setpgid resumed>) = 0 [pid 1845] exit_group(0 [pid 1847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1848] write(3, "1000", 4 [pid 1846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1845] <... exit_group resumed>) = ? [pid 1849] <... openat resumed>) = 3 [pid 1847] <... openat resumed>) = 3 [pid 1848] <... write resumed>) = 4 [pid 1846] <... openat resumed>) = 3 [pid 1847] write(3, "1000", 4 [pid 1845] +++ exited with 0 +++ [pid 1848] close(3 [pid 1846] write(3, "1000", 4 [pid 1847] <... write resumed>) = 4 [pid 1848] <... close resumed>) = 0 [pid 1846] <... write resumed>) = 4 [pid 1849] write(3, "1000", 4 [pid 1847] close(3 [pid 1848] symlink("/dev/binderfs", "./binderfs" [pid 1846] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1847] <... close resumed>) = 0 [pid 1849] <... write resumed>) = 4 [pid 1849] close(3 [pid 1848] <... symlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1847] symlink("/dev/binderfs", "./binderfs" [pid 1848] write(1, "executing program\n", 18 [pid 1846] <... close resumed>) = 0 [pid 1849] <... close resumed>) = 0 [pid 1849] symlink("/dev/binderfs", "./binderfs" [pid 1847] <... symlink resumed>) = 0 [pid 1848] <... write resumed>) = 18 executing program [pid 1846] symlink("/dev/binderfs", "./binderfs" [pid 1849] <... symlink resumed>) = 0 [pid 1847] write(1, "executing program\n", 18 [pid 1848] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1847] <... write resumed>) = 18 [pid 1846] <... symlink resumed>) = 0 [pid 1848] <... socket resumed>) = 3 executing program executing program [pid 1847] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1846] write(1, "executing program\n", 18 [pid 1848] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1847] <... socket resumed>) = 3 [pid 1846] <... write resumed>) = 18 [pid 1849] write(1, "executing program\n", 18 [pid 1847] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1848] <... socket resumed>) = 4 [pid 1846] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1849] <... write resumed>) = 18 [pid 1847] <... socket resumed>) = 4 [pid 1849] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1848] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1847] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1849] <... socket resumed>) = 3 [pid 1846] <... socket resumed>) = 3 [pid 1849] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1847] <... connect resumed>) = 0 [pid 1848] <... connect resumed>) = -1 EEXIST (File exists) executing program [pid 1846] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1849] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1847] sendfile(-1, -1, [3 [pid 1848] sendfile(-1, -1, [3 [pid 1846] <... socket resumed>) = 4 [pid 1849] <... connect resumed>) = -1 EEXIST (File exists) [pid 1847] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1848] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1849] sendfile(-1, -1, [3 [pid 1847] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1848] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1846] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1849] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1849] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1847] <... clone3 resumed>) = 1851 [pid 1849] <... clone3 resumed>) = 1852 [pid 1846] <... connect resumed>) = -1 EEXIST (File exists) [pid 1849] ioctl(3, PPPIOCSMRU, 0 [pid 1847] ioctl(3, PPPIOCSMRU, 0 [pid 1848] <... clone3 resumed>) = 1853 [pid 1846] sendfile(-1, -1, [3 [pid 1849] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1847] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1848] ioctl(3, PPPIOCSMRU, 0 [pid 1846] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1849] exit_group(0 [pid 1847] exit_group(0 [pid 1848] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1846] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1849] <... exit_group resumed>) = ? [pid 1847] <... exit_group resumed>) = ? [pid 1849] +++ exited with 0 +++ [pid 1848] exit_group(0 [pid 1846] <... clone3 resumed>) = 1854 [pid 1847] +++ exited with 0 +++ [pid 1848] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1846] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1846] exit_group(0 [pid 1848] +++ exited with 0 +++ [pid 310] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1846] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] newfstatat(AT_FDCWD, "./153/binderfs" [pid 306] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./151/binderfs" [pid 310] unlink("./153/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./151/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 306] close(3 [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./153" [pid 306] rmdir("./151" [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] mkdir("./154", 0777 [pid 306] mkdir("./152", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1855 attached [pid 1855] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1855 [pid 1855] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1855] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1856 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1855] chdir("./152" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1855] <... chdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1855] setpgid(0, 0) = 0 [pid 1855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1855] write(3, "1000", 4) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 1855] close(3) = 0 [pid 1855] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1855] write(1, "executing program\n", 18) = 18 executing program [pid 1855] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 308] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1855] <... socket resumed>) = 4 [pid 1855] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1855] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 1855] sendfile(-1, -1, [3 [pid 308] fstat(3 [pid 1855] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1855] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1856 attached ) = 1857 [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1855] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1855] exit_group(0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1856] set_robust_list(0x555593f8a6a0, 24 [pid 1855] <... exit_group resumed>) = ? [pid 1856] <... set_robust_list resumed>) = 0 [pid 1855] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 308] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./154/binderfs" [pid 307] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./154/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] getdents64(3 [pid 309] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./153/binderfs" [pid 308] close(3 [pid 307] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./153/binderfs" [pid 308] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./154" [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 307] getdents64(3 [pid 309] rmdir("./153" [pid 308] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] mkdir("./154", 0777 [pid 308] mkdir("./155", 0777 [pid 1856] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1858 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1858 attached [pid 1856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1858] set_robust_list(0x555593f8a6a0, 24 [pid 1856] chdir("./154" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./156/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 306] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1858] <... set_robust_list resumed>) = 0 [pid 1856] <... chdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1859 [pid 307] unlink("./156/binderfs" [pid 306] fstat(3 [pid 1856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1856] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 1858] rt_sigprocmask(SIG_SETMASK, [] [pid 1856] setpgid(0, 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1856] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1858] chdir("./154" [pid 307] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./152/binderfs" [pid 1856] <... openat resumed>) = 3 [pid 307] rmdir("./156" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1858] <... chdir resumed>) = 0 [pid 1856] write(3, "1000", 4 [pid 306] unlink("./152/binderfs" [pid 1858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1856] <... write resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1856] close(3 [pid 307] mkdir("./157", 0777 [pid 306] getdents64(3 [pid 1858] <... prctl resumed>) = 0 [pid 1856] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./152") = 0 [pid 1856] symlink("/dev/binderfs", "./binderfs" [pid 1858] setpgid(0, 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./153", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 1858] <... setpgid resumed>) = 0 [pid 1856] <... symlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1856] write(1, "executing program\n", 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1856] <... write resumed>) = 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1859 attached [pid 1856] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1859] set_robust_list(0x555593f8a6a0, 24 [pid 1858] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1860 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1861 executing program [pid 1859] <... set_robust_list resumed>) = 0 [pid 1858] write(3, "1000", 4 [pid 1856] <... socket resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1859] rt_sigprocmask(SIG_SETMASK, [] [pid 1858] <... write resumed>) = 4 [pid 1856] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1859] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1859] chdir("./155") = 0 [pid 1858] close(3 [pid 1856] <... socket resumed>) = 4 [pid 1859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1856] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1858] <... close resumed>) = 0 [pid 1856] <... connect resumed>) = -1 EEXIST (File exists) [pid 1859] setpgid(0, 0 [pid 1856] sendfile(-1, -1, [3 [pid 1858] symlink("/dev/binderfs", "./binderfs" [pid 1856] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1859] <... setpgid resumed>) = 0 [pid 1856] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1859] write(3, "1000", 4) = 4 [pid 1859] close(3) = 0 [pid 1859] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1856] <... clone3 resumed>) = 1862 [pid 1859] write(1, "executing program\n", 18 [pid 1858] <... symlink resumed>) = 0 [pid 1856] ioctl(3, PPPIOCSMRU, 0 [pid 1858] write(1, "executing program\n", 18 [pid 1856] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1859] <... write resumed>) = 18 executing program executing program [pid 1859] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1858] <... write resumed>) = 18 [pid 1856] exit_group(0 [pid 1859] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1858] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1856] <... exit_group resumed>) = ? [pid 1859] <... socket resumed>) = 4 [pid 1859] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1859] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1859] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1863 [pid 1858] <... socket resumed>) = 3 [pid 1856] +++ exited with 0 +++ [pid 1858] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1859] ioctl(3, PPPIOCSMRU, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1858] <... socket resumed>) = 4 [pid 1859] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1859] exit_group(0 [pid 1858] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 1861 attached ci2-android-6-1/strace-static-x86_64: Process 1860 attached [pid 1859] <... exit_group resumed>) = ? [pid 1861] set_robust_list(0x555593f8a6a0, 24 [pid 1860] set_robust_list(0x555593f8a6a0, 24 [pid 1859] +++ exited with 0 +++ [pid 1858] <... connect resumed>) = -1 EEXIST (File exists) [pid 1861] <... set_robust_list resumed>) = 0 [pid 1861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1861] chdir("./153") = 0 [pid 1861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1861] setpgid(0, 0) = 0 [pid 1861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1861] write(3, "1000", 4) = 4 [pid 1861] close(3) = 0 [pid 1861] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1861] write(1, "executing program\n", 18) = 18 executing program [pid 1861] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1861] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1861] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1861] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1861] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1860] <... set_robust_list resumed>) = 0 [pid 1858] sendfile(-1, -1, [3 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1861] <... clone3 resumed>) = 1864 [pid 1861] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1861] exit_group(0) = ? [pid 1861] +++ exited with 0 +++ [pid 1858] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1858] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1860] chdir("./157") = 0 [pid 1860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1860] setpgid(0, 0 [pid 1858] <... clone3 resumed>) = 1865 [pid 310] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1858] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] <... setpgid resumed>) = 0 [pid 1858] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1858] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 1858] <... exit_group resumed>) = ? [pid 310] fstat(3 [pid 308] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1860] <... openat resumed>) = 3 [pid 1860] write(3, "1000", 4) = 4 [pid 1860] close(3) = 0 [pid 1860] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1858] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 1860] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1860] <... write resumed>) = 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 executing program [pid 1860] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1860] <... socket resumed>) = 3 [pid 310] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 1860] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] <... socket resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./154/binderfs" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1860] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./154/binderfs" [pid 308] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 1860] sendfile(-1, -1, [3 [pid 306] fstat(3 [pid 1860] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1860] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./155/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1860] <... clone3 resumed>) = 1866 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] ioctl(3, PPPIOCSMRU, 0 [pid 310] close(3 [pid 308] unlink("./155/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./153/binderfs" [pid 1860] exit_group(0 [pid 310] rmdir("./154" [pid 308] <... unlink resumed>) = 0 [pid 1860] <... exit_group resumed>) = ? [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1860] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] unlink("./153/binderfs" [pid 310] mkdir("./155", 0777 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... unlink resumed>) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./153") = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] mkdir("./154", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./155" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1867 attached [pid 309] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 1867] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1867 [pid 308] mkdir("./156", 0777ci2-android-6-1/strace-static-x86_64: Process 1868 attached [pid 1867] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(3 [pid 1868] set_robust_list(0x555593f8a6a0, 24 [pid 1867] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1868 [pid 1868] <... set_robust_list resumed>) = 0 [pid 1867] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1868] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1868] chdir("./154" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1868] <... chdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./154/binderfs" [pid 1868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1868] <... prctl resumed>) = 0 [pid 1867] chdir("./155" [pid 309] unlink("./154/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1868] setpgid(0, 0 [pid 1867] <... chdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1868] <... setpgid resumed>) = 0 [pid 309] getdents64(3 [pid 1868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1868] <... openat resumed>) = 3 [pid 309] close(3 [pid 1868] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 1868] <... write resumed>) = 4 [pid 309] rmdir("./154" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1869 [pid 1868] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 1868] <... close resumed>) = 0 [pid 309] mkdir("./155", 0777ci2-android-6-1/strace-static-x86_64: Process 1869 attached [pid 1868] symlink("/dev/binderfs", "./binderfs" [pid 1867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1869] set_robust_list(0x555593f8a6a0, 24 [pid 1868] <... symlink resumed>) = 0 [pid 1867] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1868] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 1869] <... set_robust_list resumed>) = 0 [pid 1868] <... write resumed>) = 18 [pid 1867] setpgid(0, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1870 attached [pid 1869] rt_sigprocmask(SIG_SETMASK, [] [pid 1868] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1867] <... setpgid resumed>) = 0 [pid 307] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1870] set_robust_list(0x555593f8a6a0, 24 [pid 1868] <... socket resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1870 [pid 1870] <... set_robust_list resumed>) = 0 [pid 1868] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... openat resumed>) = 3 [pid 1870] rt_sigprocmask(SIG_SETMASK, [] [pid 1869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1868] <... socket resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3 [pid 1870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1869] chdir("./156" [pid 1868] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1867] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1870] chdir("./155" [pid 1869] <... chdir resumed>) = 0 [pid 1868] <... connect resumed>) = -1 EEXIST (File exists) [pid 1870] <... chdir resumed>) = 0 [pid 1869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1868] sendfile(-1, -1, [3 [pid 1870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1869] <... prctl resumed>) = 0 [pid 1868] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1867] write(3, "1000", 4 [pid 307] getdents64(3 [pid 1870] <... prctl resumed>) = 0 [pid 1869] setpgid(0, 0 [pid 1868] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1870] setpgid(0, 0 [pid 1869] <... setpgid resumed>) = 0 [pid 1868] <... clone3 resumed>) = 1871 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1870] <... setpgid resumed>) = 0 [pid 1869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1868] ioctl(3, PPPIOCSMRU, 0 [pid 1870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1869] <... openat resumed>) = 3 [pid 1868] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1867] <... write resumed>) = 4 [pid 307] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... openat resumed>) = 3 [pid 1869] write(3, "1000", 4 [pid 1868] exit_group(0 [pid 1870] write(3, "1000", 4 [pid 1869] <... write resumed>) = 4 [pid 1868] <... exit_group resumed>) = ? [pid 1867] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] <... write resumed>) = 4 [pid 1869] close(3 [pid 1868] +++ exited with 0 +++ [pid 1867] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./157/binderfs" [pid 1870] close(3 [pid 1869] <... close resumed>) = 0 [pid 1867] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1870] <... close resumed>) = 0 [pid 1869] symlink("/dev/binderfs", "./binderfs" [pid 307] unlink("./157/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1870] symlink("/dev/binderfs", "./binderfs" [pid 1869] <... symlink resumed>) = 0 [pid 1867] <... symlink resumed>) = 0 [pid 1870] <... symlink resumed>) = 0 [pid 1869] write(1, "executing program\n", 18 [pid 1867] write(1, "executing program\n", 18 [pid 307] <... unlink resumed>) = 0 [pid 1870] write(1, "executing program\n", 18 [pid 1869] <... write resumed>) = 18 executing program executing program executing program [pid 1870] <... write resumed>) = 18 [pid 1869] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1867] <... write resumed>) = 18 [pid 307] getdents64(3 [pid 1867] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1870] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1869] <... socket resumed>) = 3 [pid 1870] <... socket resumed>) = 3 [pid 1867] <... socket resumed>) = 3 [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1870] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1869] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1867] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... close resumed>) = 0 [pid 1870] <... socket resumed>) = 4 [pid 1869] <... socket resumed>) = 4 [pid 1867] <... socket resumed>) = 4 [pid 307] rmdir("./157" [pid 1870] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1869] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1867] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... connect resumed>) = -1 EEXIST (File exists) [pid 1869] <... connect resumed>) = -1 EEXIST (File exists) [pid 1867] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] sendfile(-1, -1, [3 [pid 1869] sendfile(-1, -1, [3 [pid 1867] sendfile(-1, -1, [3 [pid 307] mkdir("./158", 0777 [pid 306] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1870] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1869] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1867] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 306] <... openat resumed>) = 3 [pid 1870] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1869] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] fstat(3 [pid 1870] <... clone3 resumed>) = 1872 [pid 1867] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1870] ioctl(3, PPPIOCSMRU, 0 [pid 1869] <... clone3 resumed>) = 1873 [pid 1867] <... clone3 resumed>) = 1874 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 1870] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1869] ioctl(3, PPPIOCSMRU, 0 [pid 1867] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1870] exit_group(0 [pid 1869] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1867] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... exit_group resumed>) = ? [pid 1869] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] +++ exited with 0 +++ [pid 1869] <... exit_group resumed>) = ? [pid 1867] exit_group(0 [pid 306] newfstatat(AT_FDCWD, "./154/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1875 attached [pid 1869] +++ exited with 0 +++ [pid 1867] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1875 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1875] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... restart_syscall resumed>) = 0 [pid 1875] <... set_robust_list resumed>) = 0 [pid 1875] rt_sigprocmask(SIG_SETMASK, [] [pid 1867] +++ exited with 0 +++ [pid 1875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1875] chdir("./158" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./154/binderfs" [pid 1875] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 3 [pid 306] <... unlink resumed>) = 0 [pid 308] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1875] <... prctl resumed>) = 0 [pid 309] fstat(3 [pid 306] getdents64(3 [pid 1875] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1875] <... setpgid resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 1875] <... openat resumed>) = 3 [pid 309] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1875] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1875] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./155/binderfs" [pid 308] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 1875] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(3 [pid 306] rmdir("./154" [pid 1875] <... close resumed>) = 0 [pid 309] unlink("./155/binderfs" [pid 1875] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1875] <... symlink resumed>) = 0 [pid 309] getdents64(3 [pid 1875] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 306] mkdir("./155", 0777 [pid 1875] <... write resumed>) = 18 [pid 309] close(3 [pid 1875] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1875] <... socket resumed>) = 3 [pid 309] rmdir("./155" [pid 1875] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rmdir resumed>) = 0 [pid 1875] <... socket resumed>) = 4 executing program [pid 309] mkdir("./156", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 1875] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1875] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1875] sendfile(-1, -1, [3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1875] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./156/binderfs" [pid 1875] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1876 attached [pid 1875] <... clone3 resumed>) = 1877 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1876 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1875] ioctl(3, PPPIOCSMRU, 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1875] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1875] exit_group(0 [pid 310] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./156/binderfs" [pid 1875] <... exit_group resumed>) = ? [pid 1875] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1878 [pid 1876] set_robust_list(0x555593f8a6a0, 24ci2-android-6-1/strace-static-x86_64: Process 1878 attached [pid 1878] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1878] chdir("./155") = 0 [pid 1878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1878] setpgid(0, 0) = 0 [pid 1878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(3 [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1878] <... openat resumed>) = 3 [pid 1878] write(3, "1000", 4) = 4 [pid 1878] close(3) = 0 [pid 1878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1878] write(1, "executing program\n", 18) = 18 executing program [pid 1878] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1878] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1878] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1878] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1878] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1876] <... set_robust_list resumed>) = 0 [pid 308] close(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... close resumed>) = 0 [pid 310] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./156" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1878] <... clone3 resumed>) = 1879 [pid 308] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./155/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1878] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1878] exit_group(0) = ? [pid 307] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./157", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 1878] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 310] unlink("./155/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1876] chdir("./156") = 0 [pid 1876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1876] setpgid(0, 0) = 0 [pid 1876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] close(3 [pid 1876] <... openat resumed>) = 3 [pid 1876] write(3, "1000", 4) = 4 [pid 1876] close(3) = 0 [pid 1876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1876] write(1, "executing program\n", 18) = 18 [pid 1876] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1876] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1876] <... socket resumed>) = 4 [pid 1876] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1876] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1876] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] rmdir("./155" [pid 307] newfstatat(AT_FDCWD, "./158/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1880 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./156", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./158/binderfs" [pid 1876] <... clone3 resumed>) = 1881 [pid 310] <... mkdir resumed>) = 0 [pid 1876] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(3) = 0 [pid 1876] exit_group(0) = ? [pid 307] rmdir("./158") = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1882 [pid 307] mkdir("./159", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1876] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1880 attached [pid 1880] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1880] <... set_robust_list resumed>) = 0 [pid 1880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1880] chdir("./157") = 0 [pid 1880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1880] setpgid(0, 0) = 0 [pid 1880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1880] <... openat resumed>) = 3 [pid 1880] write(3, "1000", 4) = 4 [pid 1880] close(3) = 0 [pid 1880] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1880] write(1, "executing program\n", 18) = 18 executing program [pid 1880] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1880] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1880] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1880] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1880] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] <... restart_syscall resumed>) = 0 [pid 1880] <... clone3 resumed>) = 1883 [pid 1880] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1880] exit_group(0) = ? [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1884 [pid 306] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1880] +++ exited with 0 +++ [pid 306] newfstatat(AT_FDCWD, "./155/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./155/binderfs") = 0 ci2-android-6-1/strace-static-x86_64: Process 1882 attached [pid 1882] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1882] chdir("./156") = 0 [pid 1882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1882] setpgid(0, 0) = 0 [pid 1882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1882] write(3, "1000", 4) = 4 [pid 1882] close(3) = 0 [pid 1882] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1882] write(1, "executing program\n", 18) = 18 executing program [pid 1882] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1882] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1882] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1882] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1882] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1882] <... clone3 resumed>) = 1885 [pid 306] close(3) = 0 [pid 306] rmdir("./155" [pid 1882] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./156", 0777 [pid 1882] exit_group(0) = ? [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1882] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 1884 attached [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1886 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./156/binderfs" [pid 308] newfstatat(AT_FDCWD, "./157/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./156/binderfs" [pid 308] unlink("./157/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 308] close(3 [pid 309] rmdir("./156" [pid 308] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./157" [pid 309] mkdir("./157", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./158", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1887 [pid 310] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1884] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1884] chdir("./159" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1888 [pid 1884] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 1884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1884] <... prctl resumed>) = 0 [pid 310] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./156/binderfs" [pid 1884] setpgid(0, 0) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./156/binderfs" [pid 1884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./156" [pid 1884] <... openat resumed>) = 3 [pid 1884] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./157", 0777 [pid 1884] <... write resumed>) = 4 [pid 1884] close(3) = 0 [pid 1884] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1884] write(1, "executing program\n", 18 executing program [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1884] <... write resumed>) = 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1884] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1884] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1884] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1884] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1884] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1889 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1886 attached ci2-android-6-1/strace-static-x86_64: Process 1888 attached [pid 1884] <... clone3 resumed>) = 1890 [pid 1886] set_robust_list(0x555593f8a6a0, 24 [pid 1884] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1884] exit_group(0) = ? [pid 1888] set_robust_list(0x555593f8a6a0, 24 [pid 1886] <... set_robust_list resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1889 attached [pid 1884] +++ exited with 0 +++ [pid 1888] <... set_robust_list resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1887 attached [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1887] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1887] chdir("./157") = 0 [pid 1887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1887] setpgid(0, 0) = 0 [pid 1887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1887] write(3, "1000", 4) = 4 [pid 1887] close(3) = 0 [pid 1887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1887] write(1, "executing program\n", 18 executing program [pid 1888] rt_sigprocmask(SIG_SETMASK, [] [pid 1887] <... write resumed>) = 18 [pid 1889] set_robust_list(0x555593f8a6a0, 24 [pid 1888] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1886] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 1886] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1887] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1886] chdir("./156" [pid 307] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] chdir("./158" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1886] <... chdir resumed>) = 0 [pid 1888] <... chdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1887] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... openat resumed>) = 3 [pid 1888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1888] <... prctl resumed>) = 0 [pid 307] fstat(3 [pid 1888] setpgid(0, 0 [pid 1887] <... socket resumed>) = 4 [pid 1886] <... prctl resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1887] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1888] <... setpgid resumed>) = 0 [pid 1886] setpgid(0, 0 [pid 307] getdents64(3 [pid 1887] <... connect resumed>) = -1 EEXIST (File exists) [pid 1887] sendfile(-1, -1, [3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1886] <... setpgid resumed>) = 0 [pid 1887] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1887] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1889] <... set_robust_list resumed>) = 0 [pid 1888] <... openat resumed>) = 3 [pid 1886] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./159/binderfs" [pid 1887] <... clone3 resumed>) = 1891 [pid 1887] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1887] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] unlink("./159/binderfs" [pid 1887] exit_group(0 [pid 307] <... unlink resumed>) = 0 [pid 1887] <... exit_group resumed>) = ? [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./159") = 0 [pid 307] mkdir("./160", 0777 [pid 1889] rt_sigprocmask(SIG_SETMASK, [] [pid 1888] write(3, "1000", 4 [pid 1887] +++ exited with 0 +++ [pid 1886] write(3, "1000", 4 [pid 307] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1886] <... write resumed>) = 4 [pid 1886] close(3) = 0 [pid 1888] <... write resumed>) = 4 [pid 1888] close(3 [pid 1886] symlink("/dev/binderfs", "./binderfs" [pid 1888] <... close resumed>) = 0 [pid 1888] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1892 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1888] <... symlink resumed>) = 0 [pid 1886] <... symlink resumed>) = 0 [pid 1886] write(1, "executing program\n", 18 [pid 1888] write(1, "executing program\n", 18 [pid 1886] <... write resumed>) = 18 [pid 1888] <... write resumed>) = 18 [pid 1886] socket(AF_PPPOX, SOCK_STREAM, 1 executing program executing program [pid 1888] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1886] <... socket resumed>) = 3 [pid 1888] <... socket resumed>) = 3 [pid 1888] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1886] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1888] <... socket resumed>) = 4 [pid 1886] <... socket resumed>) = 4 [pid 1888] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1886] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1888] <... connect resumed>) = -1 EEXIST (File exists) [pid 1886] <... connect resumed>) = -1 EEXIST (File exists) [pid 1888] sendfile(-1, -1, [3 [pid 1886] sendfile(-1, -1, [3 [pid 1888] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1886] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1888] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1886] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1892 attached [pid 1889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1892] set_robust_list(0x555593f8a6a0, 24 [pid 1889] chdir("./157" [pid 1888] <... clone3 resumed>) = 1893 [pid 1886] <... clone3 resumed>) = 1894 [pid 1886] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1886] exit_group(0) = ? [pid 1892] <... set_robust_list resumed>) = 0 [pid 1889] <... chdir resumed>) = 0 [pid 1888] ioctl(3, PPPIOCSMRU, 0 [pid 1886] +++ exited with 0 +++ [pid 1892] rt_sigprocmask(SIG_SETMASK, [] [pid 1889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1888] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1892] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1892] chdir("./160") = 0 [pid 1892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1892] setpgid(0, 0) = 0 [pid 1892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 306] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1889] <... prctl resumed>) = 0 [pid 306] getdents64(3 [pid 1889] setpgid(0, 0 [pid 1888] exit_group(0 [pid 309] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1892] <... openat resumed>) = 3 [pid 1889] <... setpgid resumed>) = 0 [pid 1888] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./156/binderfs" [pid 309] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./156/binderfs" [pid 309] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 1889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 1888] +++ exited with 0 +++ [pid 309] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1889] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1892] write(3, "1000", 4 [pid 309] newfstatat(AT_FDCWD, "./157/binderfs" [pid 306] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./156" [pid 309] unlink("./157/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] mkdir("./157", 0777 [pid 1892] <... write resumed>) = 4 [pid 1889] write(3, "1000", 4 [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... mkdir resumed>) = 0 [pid 1892] close(3 [pid 1889] <... write resumed>) = 4 [pid 1892] <... close resumed>) = 0 [pid 1889] close(3 [pid 1892] symlink("/dev/binderfs", "./binderfs" [pid 1889] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1892] <... symlink resumed>) = 0 [pid 1889] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./157" [pid 1892] write(1, "executing program\n", 18 [pid 1889] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./158", 0777 executing program [pid 1889] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 executing program [pid 1892] <... write resumed>) = 18 [pid 1889] <... write resumed>) = 18 [pid 1892] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1889] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1895 [pid 1892] <... socket resumed>) = 3 [pid 1889] <... socket resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1895 attached ci2-android-6-1/strace-static-x86_64: Process 1896 attached [pid 1892] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1889] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1896 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1896] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1896] chdir("./158") = 0 [pid 1896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1896] setpgid(0, 0) = 0 [pid 1892] <... socket resumed>) = 4 [pid 1896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1889] <... socket resumed>) = 4 [pid 1892] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1896] <... openat resumed>) = 3 [pid 1896] write(3, "1000", 4) = 4 [pid 1896] close(3 [pid 1889] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1892] <... connect resumed>) = -1 EEXIST (File exists) [pid 1896] <... close resumed>) = 0 [pid 1896] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1895] set_robust_list(0x555593f8a6a0, 24 [pid 1892] sendfile(-1, -1, [3 [pid 1889] <... connect resumed>) = -1 EEXIST (File exists) [pid 1892] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1896] write(1, "executing program\n", 18) = 18 executing program [pid 1896] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1896] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1889] sendfile(-1, -1, [3 [pid 1896] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1892] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1889] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1896] <... connect resumed>) = -1 EEXIST (File exists) [pid 1896] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1896] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1897 [pid 1889] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1892] <... clone3 resumed>) = 1898 [pid 1896] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1896] exit_group(0) = ? [pid 1889] <... clone3 resumed>) = 1899 [pid 1892] ioctl(3, PPPIOCSMRU, 0 [pid 1889] ioctl(3, PPPIOCSMRU, 0 [pid 1892] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1889] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1892] exit_group(0 [pid 1896] +++ exited with 0 +++ [pid 1889] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1892] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1895] <... set_robust_list resumed>) = 0 [pid 1895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1895] chdir("./157") = 0 [pid 1895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1895] setpgid(0, 0) = 0 [pid 1892] +++ exited with 0 +++ [pid 1895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 1889] <... exit_group resumed>) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1895] <... openat resumed>) = 3 [pid 308] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] write(3, "1000", 4) = 4 [pid 1889] +++ exited with 0 +++ [pid 1895] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1895] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1895] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... openat resumed>) = 3 [pid 1895] write(1, "executing program\n", 18 [pid 308] fstat(3 [pid 1895] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1895] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 308] getdents64(3 executing program [pid 1895] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1895] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1895] sendfile(-1, -1, [3 [pid 308] newfstatat(AT_FDCWD, "./158/binderfs" [pid 1895] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1895] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] unlink("./158/binderfs") = 0 [pid 308] getdents64(3 [pid 1895] <... clone3 resumed>) = 1900 [pid 1895] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1895] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] close(3) = 0 [pid 1895] exit_group(0) = ? [pid 308] rmdir("./158") = 0 [pid 308] mkdir("./159", 0777 [pid 1895] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 1901 attached [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1901 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1901] set_robust_list(0x555593f8a6a0, 24 [pid 309] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./160/binderfs" [pid 1901] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] unlink("./160/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1901] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 309] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 309] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./158/binderfs" [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./160" [pid 306] newfstatat(AT_FDCWD, "./157/binderfs" [pid 309] unlink("./158/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] unlink("./157/binderfs" [pid 309] getdents64(3 [pid 307] mkdir("./161", 0777 [pid 306] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 309] close(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 306] close(3 [pid 309] rmdir("./158" [pid 306] <... close resumed>) = 0 [pid 1901] chdir("./159" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./159", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./157" [pid 1901] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./158", 0777ci2-android-6-1/strace-static-x86_64: Process 1902 attached [pid 1901] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1902 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1903 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1903 attached [pid 1902] set_robust_list(0x555593f8a6a0, 24 [pid 1901] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1903] set_robust_list(0x555593f8a6a0, 24 [pid 1902] <... set_robust_list resumed>) = 0 [pid 1901] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./157/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1902] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./157/binderfs" [pid 1902] chdir("./161" [pid 310] <... unlink resumed>) = 0 [pid 1902] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1904 [pid 1902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1903] <... set_robust_list resumed>) = 0 [pid 1902] <... prctl resumed>) = 0 [pid 1901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1904 attached [pid 1903] rt_sigprocmask(SIG_SETMASK, [] [pid 1902] setpgid(0, 0 [pid 1901] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 1903] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1902] <... setpgid resumed>) = 0 [pid 1901] write(3, "1000", 4 [pid 310] rmdir("./157" [pid 1903] chdir("./159" [pid 1902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1901] <... write resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 1903] <... chdir resumed>) = 0 [pid 1902] <... openat resumed>) = 3 [pid 1901] close(3 [pid 310] mkdir("./158", 0777 [pid 1903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1902] write(3, "1000", 4 [pid 1901] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1903] <... prctl resumed>) = 0 [pid 1902] <... write resumed>) = 4 [pid 1901] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1903] setpgid(0, 0 [pid 1902] close(3 [pid 1901] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1903] <... setpgid resumed>) = 0 [pid 1902] <... close resumed>) = 0 executing program [pid 1901] write(1, "executing program\n", 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1904] set_robust_list(0x555593f8a6a0, 24 [pid 1903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1902] symlink("/dev/binderfs", "./binderfs" [pid 1901] <... write resumed>) = 18 [pid 1904] <... set_robust_list resumed>) = 0 [pid 1903] <... openat resumed>) = 3 [pid 1901] socket(AF_PPPOX, SOCK_STREAM, 1ci2-android-6-1/strace-static-x86_64: Process 1905 attached [pid 1904] rt_sigprocmask(SIG_SETMASK, [] [pid 1903] write(3, "1000", 4 [pid 1902] <... symlink resumed>) = 0 [pid 1901] <... socket resumed>) = 3 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1905 [pid 1905] set_robust_list(0x555593f8a6a0, 24 [pid 1904] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1903] <... write resumed>) = 4 [pid 1902] write(1, "executing program\n", 18 executing program [pid 1901] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1905] <... set_robust_list resumed>) = 0 [pid 1904] chdir("./158" [pid 1903] close(3 [pid 1902] <... write resumed>) = 18 [pid 1901] <... socket resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1904] <... chdir resumed>) = 0 [pid 1903] <... close resumed>) = 0 [pid 1902] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1903] symlink("/dev/binderfs", "./binderfs" [pid 1901] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1904] <... prctl resumed>) = 0 [pid 1902] <... socket resumed>) = 3 [pid 1903] <... symlink resumed>) = 0 [pid 1905] rt_sigprocmask(SIG_SETMASK, [] [pid 1904] setpgid(0, 0 [pid 1903] write(1, "executing program\n", 18 [pid 1902] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1901] <... connect resumed>) = 0 [pid 1904] <... setpgid resumed>) = 0 [pid 1903] <... write resumed>) = 18 executing program [pid 1901] sendfile(-1, -1, [3 [pid 1905] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1903] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1902] <... socket resumed>) = 4 [pid 1901] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1903] <... socket resumed>) = 3 [pid 1901] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1903] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1902] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1905] chdir("./158") = 0 [pid 1905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1902] <... connect resumed>) = -1 EEXIST (File exists) [pid 1901] <... clone3 resumed>) = 1906 [pid 1905] <... prctl resumed>) = 0 [pid 1904] <... openat resumed>) = 3 [pid 1903] <... socket resumed>) = 4 [pid 1902] sendfile(-1, -1, [3 [pid 1901] ioctl(3, PPPIOCSMRU, 0 [pid 1905] setpgid(0, 0 [pid 1904] write(3, "1000", 4 [pid 1903] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1902] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1901] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1905] <... setpgid resumed>) = 0 [pid 1903] <... connect resumed>) = -1 EEXIST (File exists) [pid 1902] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1904] <... write resumed>) = 4 [pid 1903] sendfile(-1, -1, [3 [pid 1901] exit_group(0 [pid 1905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1905] write(3, "1000", 4) = 4 [pid 1905] close(3) = 0 [pid 1905] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1904] close(3 [pid 1903] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1902] <... clone3 resumed>) = 1907 [pid 1901] <... exit_group resumed>) = ? [pid 1905] write(1, "executing program\n", 18 [pid 1904] <... close resumed>) = 0 [pid 1903] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1902] ioctl(3, PPPIOCSMRU, 0 [pid 1905] <... write resumed>) = 18 [pid 1905] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1905] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1905] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1901] +++ exited with 0 +++ [pid 1905] <... connect resumed>) = -1 EEXIST (File exists) [pid 1905] sendfile(-1, -1, [3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1901, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1905] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1905] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1904] symlink("/dev/binderfs", "./binderfs" [pid 1903] <... clone3 resumed>) = 1908 [pid 1902] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1905] <... clone3 resumed>) = 1909 [pid 1903] ioctl(3, PPPIOCSMRU, 0 [pid 1905] ioctl(3, PPPIOCSMRU, 0 [pid 1903] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1902] exit_group(0 [pid 1905] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1905] exit_group(0 [pid 1904] <... symlink resumed>) = 0 [pid 1902] <... exit_group resumed>) = ? [pid 1905] <... exit_group resumed>) = ? [pid 1903] exit_group(0 [pid 1905] +++ exited with 0 +++ [pid 1904] write(1, "executing program\n", 18 [pid 1902] +++ exited with 0 +++ [pid 1903] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 1904] <... write resumed>) = 18 [pid 1903] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1904] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1904] <... socket resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./159/binderfs" [pid 1904] <... socket resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./159/binderfs" [pid 1904] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... unlink resumed>) = 0 [pid 1904] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1904] sendfile(-1, -1, [3 [pid 308] close(3 [pid 1904] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./159" [pid 1904] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./160", 0777) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1904] <... clone3 resumed>) = 1910 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1911 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1911 attached [pid 1911] set_robust_list(0x555593f8a6a0, 24 [pid 1904] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 1911] <... set_robust_list resumed>) = 0 [pid 1911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1911] chdir("./160") = 0 [pid 1911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1911] setpgid(0, 0) = 0 [pid 1911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1911] write(3, "1000", 4) = 4 [pid 1911] close(3) = 0 [pid 1911] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1911] write(1, "executing program\n", 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 1904] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1904] exit_group(0 [pid 309] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1904] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 307] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1904] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./159/binderfs" [pid 310] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 3 [pid 309] unlink("./159/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(3 [pid 309] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] close(3 [pid 307] fstat(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./159" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./158/binderfs" executing program [pid 309] mkdir("./160", 0777 [pid 1911] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] unlink("./158/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1911] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1912 attached [pid 1911] <... socket resumed>) = 3 [pid 310] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./161/binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1912 [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./161/binderfs" [pid 310] rmdir("./158" [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./159", 0777 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 306] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1912] set_robust_list(0x555593f8a6a0, 24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./158/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./161" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] unlink("./158/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./158") = 0 [pid 306] mkdir("./159", 0777) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1914 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1912] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1912] rt_sigprocmask(SIG_SETMASK, [] [pid 1911] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1911] <... socket resumed>) = 4 [pid 1912] chdir("./160" [pid 1911] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1913 [pid 307] mkdir("./162", 0777 [pid 1912] <... chdir resumed>) = 0 [pid 1911] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1911] sendfile(-1, -1, [3 [pid 1912] <... prctl resumed>) = 0 [pid 1911] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1912] setpgid(0, 0 [pid 1911] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1914 attached ci2-android-6-1/strace-static-x86_64: Process 1913 attached [pid 1912] <... setpgid resumed>) = 0 [pid 1911] <... clone3 resumed>) = 1915 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1914] set_robust_list(0x555593f8a6a0, 24 [pid 1913] set_robust_list(0x555593f8a6a0, 24 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1914] <... set_robust_list resumed>) = 0 [pid 1912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1911] ioctl(3, PPPIOCSMRU, 0 [pid 1912] <... openat resumed>) = 3 [pid 1911] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1914] rt_sigprocmask(SIG_SETMASK, [] [pid 1913] <... set_robust_list resumed>) = 0 [pid 1912] write(3, "1000", 4 [pid 1911] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1912] <... write resumed>) = 4 [pid 1911] <... exit_group resumed>) = ? [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1913] rt_sigprocmask(SIG_SETMASK, [] [pid 1912] close(3 [pid 1911] +++ exited with 0 +++ [pid 1912] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1911, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1912] symlink("/dev/binderfs", "./binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1913] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1916 attached [pid 1914] chdir("./159" [pid 1912] <... symlink resumed>) = 0 executing program [pid 1912] write(1, "executing program\n", 18) = 18 [pid 1912] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1912] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1912] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1912] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1912] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1916] set_robust_list(0x555593f8a6a0, 24 [pid 1914] <... chdir resumed>) = 0 [pid 1913] chdir("./159" [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1916 [pid 1912] <... clone3 resumed>) = 1917 [pid 1912] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1912] exit_group(0) = ? [pid 1916] <... set_robust_list resumed>) = 0 [pid 1914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1913] <... chdir resumed>) = 0 [pid 1912] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./160/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./160") = 0 [pid 309] mkdir("./161", 0777 [pid 1914] <... prctl resumed>) = 0 [pid 1913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1914] setpgid(0, 0 [pid 1913] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1914] <... setpgid resumed>) = 0 [pid 1913] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1916] rt_sigprocmask(SIG_SETMASK, [] [pid 1914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1913] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1918 attached [pid 1918] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1918 [pid 1918] <... set_robust_list resumed>) = 0 [pid 1914] <... openat resumed>) = 3 [pid 1913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1918] rt_sigprocmask(SIG_SETMASK, [] [pid 1914] write(3, "1000", 4 [pid 1913] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1918] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1914] <... write resumed>) = 4 [pid 1913] write(3, "1000", 4 [pid 1918] chdir("./161" [pid 1914] close(3 [pid 1913] <... write resumed>) = 4 [pid 1914] <... close resumed>) = 0 [pid 1913] close(3 [pid 1918] <... chdir resumed>) = 0 [pid 1914] symlink("/dev/binderfs", "./binderfs" [pid 1913] <... close resumed>) = 0 [pid 1918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1918] setpgid(0, 0) = 0 [pid 1918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1914] <... symlink resumed>) = 0 [pid 1913] symlink("/dev/binderfs", "./binderfs" [pid 1914] write(1, "executing program\n", 18 [pid 1918] <... openat resumed>) = 3 [pid 1918] write(3, "1000", 4 [pid 1913] <... symlink resumed>) = 0 executing program [pid 1914] <... write resumed>) = 18 [pid 1913] write(1, "executing program\n", 18 [pid 1914] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1913] <... write resumed>) = 18 [pid 1918] <... write resumed>) = 4 [pid 1914] <... socket resumed>) = 3 [pid 1913] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1914] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1918] close(3) = 0 [pid 1913] <... socket resumed>) = 3 executing program [pid 1918] symlink("/dev/binderfs", "./binderfs" [pid 1914] <... socket resumed>) = 4 [pid 1913] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... restart_syscall resumed>) = 0 [pid 1918] <... symlink resumed>) = 0 [pid 1914] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1913] <... socket resumed>) = 4 [pid 1918] write(1, "executing program\n", 18 [pid 1914] <... connect resumed>) = -1 EEXIST (File exists) [pid 1913] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1918] <... write resumed>) = 18 executing program [pid 1914] sendfile(-1, -1, [3 [pid 308] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] <... connect resumed>) = -1 EEXIST (File exists) [pid 1918] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1914] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1913] sendfile(-1, -1, [3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] <... socket resumed>) = 3 [pid 1914] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1913] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1918] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... openat resumed>) = 3 [pid 1918] <... socket resumed>) = 4 [pid 308] fstat(3 [pid 1918] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1918] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 1918] sendfile(-1, -1, [3 [pid 1914] <... clone3 resumed>) = 1919 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1918] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1914] ioctl(3, PPPIOCSMRU, 0 [pid 1913] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1918] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1914] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] <... clone3 resumed>) = 1921 [pid 1914] exit_group(0 [pid 1913] <... clone3 resumed>) = 1920 [pid 308] newfstatat(AT_FDCWD, "./160/binderfs" [pid 1918] ioctl(3, PPPIOCSMRU, 0 [pid 1914] <... exit_group resumed>) = ? [pid 1913] ioctl(3, PPPIOCSMRU, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1918] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] unlink("./160/binderfs" [pid 1918] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 1918] <... exit_group resumed>) = ? [pid 308] getdents64(3 [pid 1918] +++ exited with 0 +++ [pid 1916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1914] +++ exited with 0 +++ [pid 1913] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1913] exit_group(0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 1913] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./160") = 0 [pid 308] mkdir("./161", 0777 [pid 1913] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1916] chdir("./162" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1922 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1922 attached [pid 1922] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1916] <... chdir resumed>) = 0 [pid 1922] rt_sigprocmask(SIG_SETMASK, [] [pid 1916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1922] chdir("./161" [pid 1916] <... prctl resumed>) = 0 [pid 1922] <... chdir resumed>) = 0 [pid 1922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1922] setpgid(0, 0) = 0 [pid 1922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1922] write(3, "1000", 4) = 4 [pid 1922] close(3) = 0 [pid 1922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1916] setpgid(0, 0 [pid 1922] write(1, "executing program\n", 18) = 18 executing program [pid 1922] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1922] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] <... restart_syscall resumed>) = 0 [pid 1916] <... setpgid resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1922] <... socket resumed>) = 4 [pid 1916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 306] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] getdents64(3 [pid 306] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./159/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./161/binderfs" [pid 306] unlink("./159/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] unlink("./161/binderfs" [pid 306] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 306] close(3 [pid 1916] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 1916] write(3, "1000", 4 [pid 309] close(3 [pid 306] rmdir("./159" [pid 1916] <... write resumed>) = 4 [pid 310] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1916] close(3 [pid 309] rmdir("./161" [pid 306] mkdir("./160", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] mkdir("./162", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1916] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1922] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1916] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1922] <... connect resumed>) = -1 EEXIST (File exists) [pid 1916] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1923 attached [pid 1922] sendfile(-1, -1, [3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1923 [pid 1922] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1916] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1923] set_robust_list(0x555593f8a6a0, 24 [pid 1922] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1924 executing program [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1924 attached [pid 1923] <... set_robust_list resumed>) = 0 [pid 1922] <... clone3 resumed>) = 1925 [pid 1916] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1922] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1922] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1922] exit_group(0) = ? [pid 1924] set_robust_list(0x555593f8a6a0, 24 [pid 1923] rt_sigprocmask(SIG_SETMASK, [] [pid 1916] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] getdents64(3 [pid 1924] <... set_robust_list resumed>) = 0 [pid 1923] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1922] +++ exited with 0 +++ [pid 1916] <... socket resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1924] rt_sigprocmask(SIG_SETMASK, [] [pid 1923] chdir("./160" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./161/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./161") = 0 [pid 308] mkdir("./162", 0777 [pid 1924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1923] <... chdir resumed>) = 0 [pid 1916] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 1923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1916] <... socket resumed>) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1923] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1916] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1923] setpgid(0, 0 [pid 310] newfstatat(AT_FDCWD, "./159/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1916] <... connect resumed>) = -1 EEXIST (File exists) [pid 1923] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1916] sendfile(-1, -1, [3 [pid 310] unlink("./159/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1926 [pid 1923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1916] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1916] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... unlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1924] chdir("./162") = 0 [pid 1924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1924] setpgid(0, 0) = 0 [pid 1924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1923] <... openat resumed>) = 3 [pid 1916] <... clone3 resumed>) = 1927 [pid 310] getdents64(3 [pid 1924] write(3, "1000", 4 [pid 1923] write(3, "1000", 4 [pid 1916] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1923] <... write resumed>) = 4 [pid 1916] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1924] <... write resumed>) = 4 [pid 310] close(3 [pid 1924] close(3) = 0 [pid 1924] symlink("/dev/binderfs", "./binderfs" [pid 1916] exit_group(0 [pid 1923] close(3 [pid 310] <... close resumed>) = 0 [pid 1916] <... exit_group resumed>) = ? [pid 310] rmdir("./159" [pid 1923] <... close resumed>) = 0 [pid 1924] <... symlink resumed>) = 0 [pid 1924] write(1, "executing program\n", 18) = 18 [pid 1924] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1916] +++ exited with 0 +++ [pid 1924] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 1923] symlink("/dev/binderfs", "./binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] mkdir("./160", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1924] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1924] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1924] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1926 attached ) = 1928 [pid 1923] <... symlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1924] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1926] set_robust_list(0x555593f8a6a0, 24 [pid 1924] exit_group(0 [pid 1923] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1924] <... exit_group resumed>) = ? executing program [pid 1926] <... set_robust_list resumed>) = 0 [pid 1924] +++ exited with 0 +++ [pid 1923] <... write resumed>) = 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1923] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1926] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 1929 attached [pid 1926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1923] <... socket resumed>) = 3 [pid 309] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 1926] chdir("./162" [pid 1923] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1929 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] <... chdir resumed>) = 0 [pid 1923] <... socket resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1923] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 1926] <... prctl resumed>) = 0 [pid 1923] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 1926] setpgid(0, 0 [pid 1923] sendfile(-1, -1, [3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1926] <... setpgid resumed>) = 0 [pid 1923] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1923] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1929] set_robust_list(0x555593f8a6a0, 24 [pid 1926] <... openat resumed>) = 3 [pid 1923] <... clone3 resumed>) = 1930 [pid 309] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] write(3, "1000", 4 [pid 1923] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] <... write resumed>) = 4 [pid 1923] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] newfstatat(AT_FDCWD, "./162/binderfs" [pid 1926] close(3 [pid 1923] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1926] <... close resumed>) = 0 [pid 1923] <... exit_group resumed>) = ? [pid 309] unlink("./162/binderfs" [pid 1929] <... set_robust_list resumed>) = 0 [pid 1926] symlink("/dev/binderfs", "./binderfs" [pid 1923] +++ exited with 0 +++ [pid 307] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1929] rt_sigprocmask(SIG_SETMASK, [] [pid 1926] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1926] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1926] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1926] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] close(3 [pid 307] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1929] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1926] <... socket resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 1929] chdir("./160" [pid 307] fstat(3 [pid 1929] <... chdir resumed>) = 0 [pid 1926] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... close resumed>) = 0 [pid 1926] <... socket resumed>) = 4 [pid 309] rmdir("./162" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1926] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... rmdir resumed>) = 0 [pid 1926] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] mkdir("./163", 0777 [pid 307] getdents64(3 [pid 1929] <... prctl resumed>) = 0 [pid 1926] sendfile(-1, -1, [3 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1926] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1926] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1929] setpgid(0, 0 [pid 1926] <... clone3 resumed>) = 1931 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1929] <... setpgid resumed>) = 0 [pid 1926] ioctl(3, PPPIOCSMRU, 0 [pid 307] newfstatat(AT_FDCWD, "./162/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1932 attached [pid 1926] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1932] set_robust_list(0x555593f8a6a0, 24 [pid 1929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1926] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1932 [pid 307] unlink("./162/binderfs" [pid 1932] <... set_robust_list resumed>) = 0 [pid 1926] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1929] <... openat resumed>) = 3 [pid 1926] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1932] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 1932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1932] chdir("./163" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1932] <... chdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1929] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 1932] <... prctl resumed>) = 0 [pid 1929] <... write resumed>) = 4 [pid 1932] setpgid(0, 0 [pid 1929] close(3 [pid 308] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./162" [pid 306] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1929] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1932] <... openat resumed>) = 3 [pid 1929] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] mkdir("./163", 0777 [pid 306] <... openat resumed>) = 3 [pid 1932] write(3, "1000", 4 [pid 308] fstat(3 [pid 306] fstat(3 [pid 1932] <... write resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1932] close(3 [pid 308] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 1932] <... close resumed>) = 0 [pid 1929] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1932] symlink("/dev/binderfs", "./binderfs" [pid 1929] write(1, "executing program\n", 18 executing program [pid 308] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] <... symlink resumed>) = 0 [pid 1929] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] write(1, "executing program\n", 18 [pid 308] newfstatat(AT_FDCWD, "./162/binderfs" [pid 306] newfstatat(AT_FDCWD, "./160/binderfs" [pid 1932] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1932] socket(AF_PPPOX, SOCK_STREAM, 1 executing program [pid 308] unlink("./162/binderfs" [pid 306] unlink("./160/binderfs" [pid 1932] <... socket resumed>) = 3 [pid 1929] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 1932] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1933 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1933 attached [pid 1932] <... socket resumed>) = 4 [pid 1929] <... socket resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1933] set_robust_list(0x555593f8a6a0, 24 [pid 1932] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(3 [pid 1933] <... set_robust_list resumed>) = 0 [pid 1932] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 1932] sendfile(-1, -1, [3 [pid 308] rmdir("./162" [pid 306] <... close resumed>) = 0 [pid 1933] rt_sigprocmask(SIG_SETMASK, [] [pid 1932] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1929] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rmdir resumed>) = 0 [pid 1933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1932] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] mkdir("./163", 0777 [pid 306] rmdir("./160" [pid 1929] <... socket resumed>) = 4 [pid 1929] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1929] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1929] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1932] <... clone3 resumed>) = 1934 [pid 1933] chdir("./163" [pid 1929] <... clone3 resumed>) = 1935 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 1932] ioctl(3, PPPIOCSMRU, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1933] <... chdir resumed>) = 0 [pid 1932] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./161", 0777 [pid 1932] exit_group(0 [pid 1929] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1929] exit_group(0) = ? [pid 1933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1932] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1936 attached [pid 1933] <... prctl resumed>) = 0 [pid 1932] +++ exited with 0 +++ [pid 1929] +++ exited with 0 +++ [pid 1936] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1936] rt_sigprocmask(SIG_SETMASK, [] [pid 1933] setpgid(0, 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1936 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1936] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1936] chdir("./163") = 0 [pid 1936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1936] setpgid(0, 0) = 0 [pid 1936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1936] write(3, "1000", 4) = 4 [pid 1936] close(3) = 0 [pid 1936] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1936] write(1, "executing program\n", 18) = 18 [pid 1936] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1933] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1936] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1936] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1936] <... connect resumed>) = -1 EEXIST (File exists) [pid 1933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1936] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1936] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1938 [pid 1933] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 1936] ioctl(3, PPPIOCSMRU, 0 [pid 1933] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1937 [pid 310] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1933] <... write resumed>) = 4 [pid 309] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1933] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1933] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1933] symlink("/dev/binderfs", "./binderfs" [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1936] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1936] exit_group(0 [pid 1933] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 1933] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1933] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1933] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1936] <... exit_group resumed>) = ? [pid 1933] <... socket resumed>) = 3 executing program ci2-android-6-1/strace-static-x86_64: Process 1937 attached [pid 1936] +++ exited with 0 +++ [pid 1933] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1937] set_robust_list(0x555593f8a6a0, 24 [pid 1933] <... socket resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./160/binderfs" [pid 309] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1933] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] <... set_robust_list resumed>) = 0 [pid 1937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1937] chdir("./161" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1933] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./160/binderfs" [pid 309] newfstatat(AT_FDCWD, "./163/binderfs" [pid 1937] <... chdir resumed>) = 0 [pid 1937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1937] setpgid(0, 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1933] sendfile(-1, -1, [3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1933] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 309] unlink("./163/binderfs" [pid 1937] <... openat resumed>) = 3 [pid 1933] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1937] write(3, "1000", 4) = 4 [pid 1937] close(3) = 0 [pid 1937] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1937] write(1, "executing program\n", 18 [pid 1933] <... clone3 resumed>) = 1939 [pid 310] close(3 [pid 309] getdents64(3 [pid 1937] <... write resumed>) = 18 [pid 1937] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 1933] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./160" [pid 1937] <... socket resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 1933] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] mkdir("./161", 0777 [pid 309] <... close resumed>) = 0 [pid 1937] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1933] exit_group(0 [pid 309] rmdir("./163" [pid 1937] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1937] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1937] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... mkdir resumed>) = 0 [pid 1933] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 1937] <... clone3 resumed>) = 1940 [pid 1937] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1937] exit_group(0) = ? [pid 1933] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./164", 0777 [pid 1937] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 1941 attached [pid 1941] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1941 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1941] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1941] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1941] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1941] chdir("./161" [pid 308] <... restart_syscall resumed>) = 0 [pid 1941] <... chdir resumed>) = 0 [pid 1941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1941] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1941] <... setpgid resumed>) = 0 [pid 308] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 1942 attached [pid 1941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 3 [pid 1941] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1941] write(3, "1000", 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1942] set_robust_list(0x555593f8a6a0, 24 [pid 1941] <... write resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1942 [pid 308] getdents64(3 [pid 1941] close(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1941] <... close resumed>) = 0 [pid 308] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1941] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1941] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./163/binderfs" [pid 306] <... openat resumed>) = 3 [pid 1941] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(3 [pid 1941] <... write resumed>) = 18 [pid 308] unlink("./163/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 1942] <... set_robust_list resumed>) = 0 [pid 1941] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 [pid 1941] <... socket resumed>) = 3 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1941] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1941] <... socket resumed>) = 4 [pid 308] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1941] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./161/binderfs" [pid 1941] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./163" [pid 307] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1941] sendfile(-1, -1, [3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./161/binderfs" [pid 1941] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] mkdir("./164", 0777 [pid 307] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 1942] rt_sigprocmask(SIG_SETMASK, [] [pid 1941] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 1942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(3 [pid 1942] chdir("./164" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1942] <... chdir resumed>) = 0 [pid 1941] <... clone3 resumed>) = 1943 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1941] ioctl(3, PPPIOCSMRU, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 1942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1941] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1942] <... prctl resumed>) = 0 [pid 1941] exit_group(0 [pid 306] <... close resumed>) = 0 [pid 1941] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1944 [pid 306] rmdir("./161"ci2-android-6-1/strace-static-x86_64: Process 1944 attached [pid 1942] setpgid(0, 0 [pid 1941] +++ exited with 0 +++ [pid 307] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] mkdir("./162", 0777 [pid 1944] set_robust_list(0x555593f8a6a0, 24 [pid 1942] <... setpgid resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1944] <... set_robust_list resumed>) = 0 [pid 1942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./163/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1945 attached [pid 1944] rt_sigprocmask(SIG_SETMASK, [] [pid 1942] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1945 [pid 1944] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1942] write(3, "1000", 4 [pid 307] unlink("./163/binderfs" [pid 1945] set_robust_list(0x555593f8a6a0, 24 [pid 1944] chdir("./164" [pid 1942] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1945] <... set_robust_list resumed>) = 0 [pid 1944] <... chdir resumed>) = 0 [pid 1942] close(3 [pid 310] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1942] <... close resumed>) = 0 [pid 310] fstat(3 [pid 307] getdents64(3 [pid 1944] <... prctl resumed>) = 0 [pid 1942] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1945] rt_sigprocmask(SIG_SETMASK, [] [pid 1944] setpgid(0, 0 [pid 1942] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 307] close(3 [pid 1944] <... setpgid resumed>) = 0 [pid 1942] write(1, "executing program\n", 18 executing program [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... close resumed>) = 0 [pid 1945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1942] <... write resumed>) = 18 [pid 310] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./163" [pid 1945] chdir("./162" [pid 1944] <... openat resumed>) = 3 [pid 1942] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1944] write(3, "1000", 4 [pid 1942] <... socket resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 1945] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./161/binderfs" [pid 1945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1942] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./164", 0777 [pid 1945] <... prctl resumed>) = 0 [pid 1942] <... socket resumed>) = 4 [pid 310] unlink("./161/binderfs" [pid 1945] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 1945] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 1945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1942] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 1945] <... openat resumed>) = 3 [pid 1942] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 1945] write(3, "1000", 4 [pid 1942] sendfile(-1, -1, [3 [pid 310] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1945] <... write resumed>) = 4 [pid 310] rmdir("./161" [pid 1945] close(3 [pid 1944] <... write resumed>) = 4 [pid 1942] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1945] <... close resumed>) = 0 [pid 1942] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] mkdir("./162", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1945] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 1945] <... symlink resumed>) = 0 [pid 1942] <... clone3 resumed>) = 1946 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1945] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1945] <... write resumed>) = 18 executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1947 attached [pid 1944] close(3 [pid 1942] ioctl(3, PPPIOCSMRU, 0ci2-android-6-1/strace-static-x86_64: Process 1948 attached [pid 1947] set_robust_list(0x555593f8a6a0, 24 [pid 1945] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1944] <... close resumed>) = 0 [pid 1942] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1948 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1947 [pid 1947] <... set_robust_list resumed>) = 0 [pid 1945] <... socket resumed>) = 3 [pid 1944] symlink("/dev/binderfs", "./binderfs" [pid 1942] exit_group(0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1948] set_robust_list(0x555593f8a6a0, 24 [pid 1947] rt_sigprocmask(SIG_SETMASK, [] [pid 1945] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1942] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1948] <... set_robust_list resumed>) = 0 [pid 1945] <... socket resumed>) = 4 [pid 1944] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1948] rt_sigprocmask(SIG_SETMASK, [] [pid 1945] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1945] <... connect resumed>) = -1 EEXIST (File exists) [pid 1947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1945] sendfile(-1, -1, [3 [pid 1944] write(1, "executing program\n", 18 [pid 1942] +++ exited with 0 +++ executing program [pid 1948] chdir("./162" [pid 1947] chdir("./164" [pid 1945] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1944] <... write resumed>) = 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1948] <... chdir resumed>) = 0 [pid 1945] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1944] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1947] <... chdir resumed>) = 0 [pid 1945] <... clone3 resumed>) = 1949 [pid 1944] <... socket resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1948] <... prctl resumed>) = 0 [pid 1945] ioctl(3, PPPIOCSMRU, 0 [pid 1944] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1948] setpgid(0, 0 [pid 1945] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1948] <... setpgid resumed>) = 0 [pid 1945] exit_group(0 [pid 1944] <... socket resumed>) = 4 [pid 1948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1945] <... exit_group resumed>) = ? [pid 1948] <... openat resumed>) = 3 [pid 1947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1944] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1948] write(3, "1000", 4 [pid 1947] <... prctl resumed>) = 0 [pid 1945] +++ exited with 0 +++ [pid 1944] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1948] <... write resumed>) = 4 [pid 1944] sendfile(-1, -1, [3 [pid 309] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1948] close(3 [pid 1944] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1948] <... close resumed>) = 0 [pid 1947] setpgid(0, 0 executing program [pid 1944] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] fstat(3 [pid 1948] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1948] write(1, "executing program\n", 18) = 18 [pid 1948] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1948] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1948] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1948] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1948] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1951 [pid 1947] <... setpgid resumed>) = 0 [pid 1944] <... clone3 resumed>) = 1950 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1948] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1948] exit_group(0) = ? [pid 1947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1944] ioctl(3, PPPIOCSMRU, 0 [pid 309] getdents64(3 [pid 1948] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1947] <... openat resumed>) = 3 [pid 1944] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1947] write(3, "1000", 4 [pid 1944] exit_group(0 [pid 309] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1947] <... write resumed>) = 4 [pid 1947] close(3) = 0 [pid 1947] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1947] write(1, "executing program\n", 18) = 18 executing program [pid 1947] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1947] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1947] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1944] <... exit_group resumed>) = ? [pid 1947] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1947] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1952 [pid 309] newfstatat(AT_FDCWD, "./164/binderfs" [pid 1947] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1944] +++ exited with 0 +++ [pid 1947] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1947] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1947] +++ exited with 0 +++ [pid 309] unlink("./164/binderfs") = 0 [pid 309] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./164" [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./165", 0777 [pid 310] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1953 attached [pid 310] getdents64(3 [pid 308] fstat(3 [pid 1953] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1953 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1953] <... set_robust_list resumed>) = 0 [pid 310] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 1953] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./162/binderfs" [pid 308] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1953] chdir("./165" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1953] <... chdir resumed>) = 0 [pid 310] unlink("./162/binderfs" [pid 308] newfstatat(AT_FDCWD, "./164/binderfs" [pid 307] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1953] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 308] unlink("./164/binderfs" [pid 306] <... openat resumed>) = 3 [pid 1953] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 1953] <... setpgid resumed>) = 0 [pid 310] close(3 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 1953] <... openat resumed>) = 3 [pid 310] rmdir("./162" [pid 308] close(3 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1953] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1953] <... write resumed>) = 4 [pid 310] mkdir("./163", 0777 [pid 308] rmdir("./164" [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1953] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] newfstatat(AT_FDCWD, "./162/binderfs" [pid 1953] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./165", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1953] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./162/binderfs" [pid 307] newfstatat(AT_FDCWD, "./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./164/binderfs" [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 1954 attached [pid 1953] <... symlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1954 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 1954] set_robust_list(0x555593f8a6a0, 24 [pid 1953] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 executing program [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 1955 attached [pid 1954] <... set_robust_list resumed>) = 0 [pid 1953] <... write resumed>) = 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 306] close(3 [pid 1954] rt_sigprocmask(SIG_SETMASK, [] [pid 1953] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1955 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1954] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 1953] <... socket resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 1954] chdir("./163" [pid 1953] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./164" [pid 306] rmdir("./162" [pid 1954] <... chdir resumed>) = 0 [pid 1953] <... socket resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./165", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 1955] set_robust_list(0x555593f8a6a0, 24 [pid 1954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1953] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] mkdir("./163", 0777 [pid 1955] <... set_robust_list resumed>) = 0 [pid 1954] <... prctl resumed>) = 0 [pid 1953] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1955] rt_sigprocmask(SIG_SETMASK, [] [pid 1954] setpgid(0, 0 [pid 1953] sendfile(-1, -1, [3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1954] <... setpgid resumed>) = 0 [pid 1953] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1955] chdir("./165" [pid 1954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1953] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1955] <... chdir resumed>) = 0 [pid 1954] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1954] write(3, "1000", 4 [pid 1953] <... clone3 resumed>) = 1957 [pid 1955] <... prctl resumed>) = 0 [pid 1954] <... write resumed>) = 4 [pid 1953] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1958 [pid 1955] setpgid(0, 0 [pid 1954] close(3 [pid 1953] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1955] <... setpgid resumed>) = 0 [pid 1954] <... close resumed>) = 0 [pid 1953] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1954] symlink("/dev/binderfs", "./binderfs" [pid 1953] <... exit_group resumed>) = ? [pid 1955] <... openat resumed>) = 3 [pid 1954] <... symlink resumed>) = 0 [pid 1953] +++ exited with 0 +++ [pid 1955] write(3, "1000", 4 executing program [pid 1954] write(1, "executing program\n", 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1955] <... write resumed>) = 4 [pid 1954] <... write resumed>) = 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1955] close(3 [pid 1954] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1955] <... close resumed>) = 0 [pid 1954] <... socket resumed>) = 3 [pid 1955] symlink("/dev/binderfs", "./binderfs" [pid 1954] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1955] <... symlink resumed>) = 0 [pid 1954] <... socket resumed>) = 4 [pid 1955] write(1, "executing program\n", 18 [pid 1954] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1955] <... write resumed>) = 18 [pid 1954] <... connect resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 executing program [pid 1955] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1954] sendfile(-1, -1, [3 [pid 1955] <... socket resumed>) = 3 [pid 1954] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1955] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1954] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] <... socket resumed>) = 4 [pid 1954] <... clone3 resumed>) = 1959 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1954] ioctl(3, PPPIOCSMRU, 0 [pid 309] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1955] <... connect resumed>) = -1 EEXIST (File exists) [pid 1954] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 309] <... openat resumed>) = 3 [pid 1955] sendfile(-1, -1, [3 [pid 1954] exit_group(0 [pid 309] fstat(3 [pid 1955] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1954] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1955] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1954] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 1955] <... clone3 resumed>) = 1960 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1955] ioctl(3, PPPIOCSMRU, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... restart_syscall resumed>) = 0 [ 35.094318][ T1906] ------------[ cut here ]------------ [ 35.100141][ T1906] WARNING: CPU: 0 PID: 1906 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 35.110372][ T1906] Modules linked in: [ 35.114514][ T1906] CPU: 0 PID: 1906 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 35.124130][ T1906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 35.134418][ T1906] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./165/binderfs" [pid 1955] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1955] +++ exited with 0 +++ [pid 310] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./165/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 309] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] rmdir("./165" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... rmdir resumed>) = 0 [pid 310] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./166", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./163/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./163/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1956 [pid 310] <... unlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1961 [pid 308] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 310] rmdir("./163" [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./164", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 1956 attached [pid 310] <... mkdir resumed>) = 0 [ 35.140960][ T1906] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 35.161138][ T1906] RSP: 0018:ffffc900028f7b90 EFLAGS: 00010293 [ 35.167371][ T1906] RAX: ffffffff849ca097 RBX: ffff88811cc44000 RCX: ffff88811ce61440 [ 35.175492][ T1906] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000c04eb7d [ 35.183583][ T1906] RBP: ffffc900028f7bb0 R08: ffff88811cc44083 R09: 1ffff11023988810 [pid 308] newfstatat(AT_FDCWD, "./165/binderfs" [pid 1956] set_robust_list(0x555593f8a6a0, 24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1956] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] unlink("./165/binderfs" [pid 1956] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 1956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 1956] chdir("./165" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1962 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1956] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(3 [pid 1956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 1956] <... prctl resumed>) = 0 [pid 308] rmdir("./165" [pid 1956] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 1956] <... setpgid resumed>) = 0 [pid 308] mkdir("./166", 0777 [pid 1956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 1956] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 1962 attached [pid 1956] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1962] set_robust_list(0x555593f8a6a0, 24 [pid 1956] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1962] <... set_robust_list resumed>) = 0 [pid 1956] close(3 [pid 1962] rt_sigprocmask(SIG_SETMASK, [] [pid 1956] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1963 [pid 1962] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1956] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1962] chdir("./164" [pid 1956] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1962] <... chdir resumed>) = 0 executing program [pid 1956] write(1, "executing program\n", 18 [pid 1962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1956] <... write resumed>) = 18 [pid 1962] <... prctl resumed>) = 0 [pid 1956] socket(AF_PPPOX, SOCK_STREAM, 1ci2-android-6-1/strace-static-x86_64: Process 1963 attached [pid 1962] setpgid(0, 0 [pid 1956] <... socket resumed>) = 3 [pid 1963] set_robust_list(0x555593f8a6a0, 24 [pid 1962] <... setpgid resumed>) = 0 [pid 1956] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1963] <... set_robust_list resumed>) = 0 [pid 1962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1956] <... socket resumed>) = 4 [pid 1963] rt_sigprocmask(SIG_SETMASK, [] [pid 1962] <... openat resumed>) = 3 [pid 1956] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1962] write(3, "1000", 4 [pid 1956] <... connect resumed>) = -1 EEXIST (File exists) [pid 1963] chdir("./166" [pid 1962] <... write resumed>) = 4 [pid 1956] sendfile(-1, -1, [3 [pid 1963] <... chdir resumed>) = 0 [pid 1962] close(3 [pid 1956] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1962] <... close resumed>) = 0 [pid 1956] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1963] <... prctl resumed>) = 0 [pid 1962] symlink("/dev/binderfs", "./binderfs" [pid 1956] <... clone3 resumed>) = 1964 [pid 1963] setpgid(0, 0 [pid 1962] <... symlink resumed>) = 0 [pid 1956] ioctl(3, PPPIOCSMRU, 0 [pid 1963] <... setpgid resumed>) = 0 [pid 1962] write(1, "executing program\n", 18 [pid 1956] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 1963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1962] <... write resumed>) = 18 [pid 1956] exit_group(0 [pid 1963] <... openat resumed>) = 3 [pid 1962] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1956] <... exit_group resumed>) = ? [pid 1963] write(3, "1000", 4 [pid 1962] <... socket resumed>) = 3 [pid 1956] +++ exited with 0 +++ [pid 1963] <... write resumed>) = 4 [pid 1962] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 35.191786][ T1906] R10: dffffc0000000000 R11: ffffed1023988811 R12: dffffc0000000000 [ 35.199952][ T1906] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881151d9000 [ 35.208185][ T1906] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 35.217527][ T1906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.224346][ T1906] CR2: 00007ffd4f632d00 CR3: 000000000700f000 CR4: 00000000003506b0 [ 35.232726][ T1906] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 1963] close(3 [pid 1962] <... socket resumed>) = 4 [pid 1963] <... close resumed>) = 0 [pid 1962] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1963] symlink("/dev/binderfs", "./binderfs" [pid 1962] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1963] <... symlink resumed>) = 0 [pid 1962] sendfile(-1, -1, [3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1963] write(1, "executing program\n", 18 [pid 1962] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 307] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1963] <... write resumed>) = 18 [pid 1962] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... openat resumed>) = 3 [pid 1963] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1962] <... clone3 resumed>) = 1965 [pid 307] fstat(3 [pid 1963] <... socket resumed>) = 3 [pid 1962] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1963] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1962] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] getdents64(3 [pid 1963] <... socket resumed>) = 4 [pid 1962] exit_group(0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1963] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1962] <... exit_group resumed>) = ? [pid 307] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1963] <... connect resumed>) = -1 EEXIST (File exists) [pid 1962] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1963] sendfile(-1, -1, [3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./165/binderfs" [pid 1963] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1963] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] unlink("./165/binderfs" [pid 1963] <... clone3 resumed>) = 1966 [pid 307] <... unlink resumed>) = 0 [pid 1963] ioctl(3, PPPIOCSMRU, 0 [pid 307] getdents64(3 [pid 1963] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1963] exit_group(0 [pid 307] close(3 [pid 1963] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 1963] +++ exited with 0 +++ [pid 307] rmdir("./165" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] mkdir("./166", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1967 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./164/binderfs" [pid 308] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 35.241064][ T1906] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.249171][ T1906] Call Trace: [ 35.252597][ T1906] [ 35.255656][ T1906] pppol2tp_release+0x150/0x2b0 [ 35.260762][ T1906] sock_close+0xc9/0x220 [ 35.265216][ T1906] ? __cfi_sock_close+0x10/0x10 [ 35.270160][ T1906] __fput+0x1fd/0x8f0 [ 35.274259][ T1906] ____fput+0x15/0x20 [ 35.278373][ T1906] task_work_run+0x1e1/0x250 [ 35.283139][ T1906] ? __cfi_task_work_run+0x10/0x10 [ 35.288299][ T1906] ? free_nsproxy+0x21f/0x270 [pid 310] unlink("./164/binderfs" [pid 308] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] fstat(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1967 attached [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1967] set_robust_list(0x555593f8a6a0, 24 [pid 310] rmdir("./164" [pid 308] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1967] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1967] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./165", 0777 [pid 308] newfstatat(AT_FDCWD, "./166/binderfs" [pid 1967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1967] chdir("./166" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] unlink("./166/binderfs" [pid 1967] <... chdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 1967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 1967] <... prctl resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1967] setpgid(0, 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1968 [pid 308] close(3 [pid 1967] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 1967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./166" [pid 1967] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 1967] write(3, "1000", 4 [pid 308] mkdir("./167", 0777 [pid 1967] <... write resumed>) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 1967] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1967] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1967] symlink("/dev/binderfs", "./binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 1968 attached [pid 1967] <... symlink resumed>) = 0 [pid 1968] set_robust_list(0x555593f8a6a0, 24 executing program [pid 1967] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1969 [pid 1968] <... set_robust_list resumed>) = 0 [pid 1967] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1968] rt_sigprocmask(SIG_SETMASK, [] [pid 1967] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1967] <... socket resumed>) = 3 [pid 1968] chdir("./165" [pid 1967] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1968] <... chdir resumed>) = 0 [pid 1967] <... socket resumed>) = 4 [pid 1968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1967] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1968] <... prctl resumed>) = 0 [pid 1967] <... connect resumed>) = 0 [pid 1968] setpgid(0, 0 [pid 1967] sendfile(-1, -1, [3 [pid 1968] <... setpgid resumed>) = 0 [pid 1967] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1967] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1968] <... openat resumed>) = 3 [pid 1967] <... clone3 resumed>) = 1970 [pid 1968] write(3, "1000", 4 [pid 1967] ioctl(3, PPPIOCSMRU, 0 [pid 1968] <... write resumed>) = 4 [pid 1967] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 1968] close(3 [pid 1967] exit_group(0 [pid 1968] <... close resumed>) = 0 [pid 1967] <... exit_group resumed>) = ? [pid 1968] symlink("/dev/binderfs", "./binderfs" [pid 1967] +++ exited with 0 +++ [pid 1968] <... symlink resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1968] write(1, "executing program\n", 18 executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1968] <... write resumed>) = 18 [pid 1968] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1968] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1968] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [ 35.293094][ T1906] do_exit+0xb0d/0x29f0 [ 35.297512][ T1906] ? __cfi_do_exit+0x10/0x10 [ 35.302304][ T1906] ? xfd_validate_state+0x70/0x150 [ 35.307683][ T1906] ? __kasan_check_write+0x14/0x20 [ 35.312882][ T1906] __x64_sys_exit+0x40/0x40 [ 35.317785][ T1906] x64_sys_call+0x67/0x9a0 [ 35.322424][ T1906] do_syscall_64+0x4c/0xa0 [ 35.327009][ T1906] ? clear_bhb_loop+0x30/0x80 [ 35.331845][ T1906] ? clear_bhb_loop+0x30/0x80 [ 35.336638][ T1906] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [pid 1968] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1968] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 1971 [pid 307] <... restart_syscall resumed>) = 0 [pid 1968] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1968] exit_group(0 [pid 307] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1968] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1968] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1968, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 307] <... openat resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./166/binderfs" [pid 310] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./166/binderfs" [pid 310] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 310] fstat(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 310] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rmdir("./166" [pid 310] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./167", 0777 [pid 310] newfstatat(AT_FDCWD, "./165/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./165/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1972 [pid 310] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 35.342867][ T1906] RIP: 0033:0x7f1cc07fe169 [ 35.347541][ T1906] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 35.354896][ T1906] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 35.363677][ T1906] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 35.371964][ T1906] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.380009][ T1906] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [pid 310] rmdir("./165") = 0 [pid 310] mkdir("./166", 0777) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 1973 ci2-android-6-1/strace-static-x86_64: Process 1972 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1972] set_robust_list(0x555593f8a6a0, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1972] <... set_robust_list resumed>) = 0 [pid 1972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1972] chdir("./167") = 0 [pid 1972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1972] setpgid(0, 0) = 0 [pid 1972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1972] write(3, "1000", 4) = 4 [pid 1972] close(3) = 0 [pid 1972] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1972] write(1, "executing program\n", 18) = 18 [pid 1972] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1972] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1972] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50ci2-android-6-1/strace-static-x86_64: Process 1973 attached ci2-android-6-1/strace-static-x86_64: Process 1969 attached ci2-android-6-1/strace-static-x86_64: Process 1961 attached ci2-android-6-1/strace-static-x86_64: Process 1958 attached ) = -1 EEXIST (File exists) [pid 1973] set_robust_list(0x555593f8a6a0, 24 [pid 1969] set_robust_list(0x555593f8a6a0, 24 [pid 1961] set_robust_list(0x555593f8a6a0, 24 [pid 1958] set_robust_list(0x555593f8a6a0, 24 [pid 1973] <... set_robust_list resumed>) = 0 [pid 1969] <... set_robust_list resumed>) = 0 [pid 1961] <... set_robust_list resumed>) = 0 [pid 1958] <... set_robust_list resumed>) = 0 [pid 1973] rt_sigprocmask(SIG_SETMASK, [] [pid 1972] sendfile(-1, -1, [3 [pid 1969] rt_sigprocmask(SIG_SETMASK, [] [pid 1961] rt_sigprocmask(SIG_SETMASK, [] [pid 1958] rt_sigprocmask(SIG_SETMASK, [] [pid 1973] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1972] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1973] chdir("./166" [pid 1972] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1969] chdir("./167" [pid 1961] chdir("./166" [pid 1958] chdir("./163" [pid 1973] <... chdir resumed>) = 0 [pid 1969] <... chdir resumed>) = 0 [pid 1961] <... chdir resumed>) = 0 [pid 1958] <... chdir resumed>) = 0 [pid 1973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1972] <... clone3 resumed>) = 1974 [pid 1969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1973] <... prctl resumed>) = 0 [pid 1972] ioctl(3, PPPIOCSMRU, 0 [pid 1969] <... prctl resumed>) = 0 [pid 1961] <... prctl resumed>) = 0 [pid 1958] <... prctl resumed>) = 0 [pid 1973] setpgid(0, 0 [pid 1972] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1969] setpgid(0, 0 [pid 1961] setpgid(0, 0 [pid 1958] setpgid(0, 0 [pid 1973] <... setpgid resumed>) = 0 [pid 1972] exit_group(0 [pid 1969] <... setpgid resumed>) = 0 [pid 1961] <... setpgid resumed>) = 0 [pid 1958] <... setpgid resumed>) = 0 [pid 1973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1972] <... exit_group resumed>) = ? [pid 1973] <... openat resumed>) = 3 [pid 1972] +++ exited with 0 +++ [pid 1969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1973] write(3, "1000", 4 [pid 1969] <... openat resumed>) = 3 [pid 1961] <... openat resumed>) = 3 [pid 1973] <... write resumed>) = 4 [pid 1969] write(3, "1000", 4 [pid 1961] write(3, "1000", 4 [pid 1958] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1973] close(3 [pid 1969] <... write resumed>) = 4 [pid 1961] <... write resumed>) = 4 [pid 1958] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1973] <... close resumed>) = 0 [pid 1969] close(3 [pid 1961] close(3 [pid 1958] <... write resumed>) = 4 [pid 1973] symlink("/dev/binderfs", "./binderfs" [pid 1969] <... close resumed>) = 0 [pid 1961] <... close resumed>) = 0 [pid 1958] close(3 [pid 1969] symlink("/dev/binderfs", "./binderfs" [pid 1973] <... symlink resumed>) = 0 [pid 1969] <... symlink resumed>) = 0 [pid 1961] symlink("/dev/binderfs", "./binderfs" [pid 1958] <... close resumed>) = 0 [pid 1973] write(1, "executing program\n", 18 [pid 1969] write(1, "executing program\n", 18 [pid 1961] <... symlink resumed>) = 0 executing program executing program [pid 1958] symlink("/dev/binderfs", "./binderfs" [pid 1973] <... write resumed>) = 18 [pid 1969] <... write resumed>) = 18 executing program [pid 1961] write(1, "executing program\n", 18 [pid 1973] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1969] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1961] <... write resumed>) = 18 [pid 1958] <... symlink resumed>) = 0 [pid 1973] <... socket resumed>) = 3 [pid 1969] <... socket resumed>) = 3 [pid 1961] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1958] write(1, "executing program\n", 18 [pid 1973] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP executing program [pid 1969] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1973] <... socket resumed>) = 4 [pid 1969] <... socket resumed>) = 4 [pid 1961] <... socket resumed>) = 3 [pid 1958] <... write resumed>) = 18 [pid 1973] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1969] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1961] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1958] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1973] <... connect resumed>) = -1 EEXIST (File exists) [pid 1969] <... connect resumed>) = -1 EEXIST (File exists) [pid 1969] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1961] <... socket resumed>) = 4 [pid 1973] sendfile(-1, -1, [3 [pid 1969] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1958] <... socket resumed>) = 3 [pid 1973] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1961] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1958] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1973] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1969] <... clone3 resumed>) = 1975 [pid 1961] <... connect resumed>) = -1 EEXIST (File exists) [pid 1958] <... socket resumed>) = 4 [pid 1969] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1973] <... clone3 resumed>) = 1976 [pid 1969] exit_group(0 [pid 1961] sendfile(-1, -1, [3 [pid 1973] ioctl(3, PPPIOCSMRU, 0 [pid 1969] <... exit_group resumed>) = ? [pid 1958] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1973] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1961] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1958] <... connect resumed>) = -1 EEXIST (File exists) [pid 1973] exit_group(0 [pid 1969] +++ exited with 0 +++ [pid 1961] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1958] sendfile(-1, -1, [3 [pid 1973] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1958] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1958] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1961] <... clone3 resumed>) = 1977 [pid 1958] <... clone3 resumed>) = 1978 [pid 1958] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1973] +++ exited with 0 +++ [pid 1961] ioctl(3, PPPIOCSMRU, 0 [pid 1958] exit_group(0 [pid 1961] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1958] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1961] exit_group(0) = ? [pid 1958] +++ exited with 0 +++ [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1961] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] newfstatat(AT_FDCWD, "./167/binderfs" [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 308] unlink("./167/binderfs" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./166/binderfs" [pid 308] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./167/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./166/binderfs" [pid 309] unlink("./166/binderfs" [pid 308] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./163/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] unlink("./167/binderfs" [pid 310] unlink("./166/binderfs" [pid 309] getdents64(3 [pid 308] rmdir("./167" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./163/binderfs" [pid 310] getdents64(3 [pid 309] close(3 [pid 308] mkdir("./168", 0777 [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] close(3 [pid 309] rmdir("./166" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(3 [pid 306] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./166" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 1979 attached [pid 310] <... rmdir resumed>) = 0 [pid 309] mkdir("./167", 0777 [pid 307] rmdir("./167" [pid 306] close(3 [pid 1979] set_robust_list(0x555593f8a6a0, 24 [pid 310] mkdir("./167", 0777 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1979 [pid 1979] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 1979] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1979] chdir("./168" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 1979] <... chdir resumed>) = 0 [pid 1979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1979] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] rmdir("./163" [pid 307] mkdir("./168", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 1979] <... openat resumed>) = 3 [pid 1979] write(3, "1000", 4) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./164", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1979] close(3) = 0 [pid 1979] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 1979] write(1, "executing program\n", 18) = 18 [pid 1979] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1979] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1979] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1979] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 1979] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1981 attached ci2-android-6-1/strace-static-x86_64: Process 1980 attached ) = 1982 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1980 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1981] set_robust_list(0x555593f8a6a0, 24 [pid 1979] ioctl(3, PPPIOCSMRU, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1981 [pid 1979] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1979] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 1983 attached [pid 1981] <... set_robust_list resumed>) = 0 [pid 1980] set_robust_list(0x555593f8a6a0, 24 [pid 1979] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1983 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1983] set_robust_list(0x555593f8a6a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 1983] <... set_robust_list resumed>) = 0 [pid 1983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1983] chdir("./168") = 0 [pid 1983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1983] <... prctl resumed>) = 0 [pid 1983] setpgid(0, 0) = 0 ci2-android-6-1/strace-static-x86_64: Process 1984 attached [pid 1983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1981] rt_sigprocmask(SIG_SETMASK, [] [pid 1980] <... set_robust_list resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1984 [pid 1984] set_robust_list(0x555593f8a6a0, 24 [pid 1983] <... openat resumed>) = 3 [pid 1983] write(3, "1000", 4) = 4 [pid 1983] close(3) = 0 [pid 1983] symlink("/dev/binderfs", "./binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1984] <... set_robust_list resumed>) = 0 [pid 1981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1980] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1983] <... symlink resumed>) = 0 [pid 1983] write(1, "executing program\n", 18) = 18 executing program [pid 1983] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1983] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1983] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1983] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1983] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1984] rt_sigprocmask(SIG_SETMASK, [] [pid 1981] chdir("./167" [pid 1980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1984] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1983] <... clone3 resumed>) = 1985 [pid 1981] <... chdir resumed>) = 0 [pid 1983] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1983] exit_group(0) = ? [pid 1984] chdir("./164" [pid 1981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1980] chdir("./167" [pid 1984] <... chdir resumed>) = 0 [pid 1983] +++ exited with 0 +++ [pid 1981] <... prctl resumed>) = 0 [pid 1980] <... chdir resumed>) = 0 [pid 1981] setpgid(0, 0 [pid 1980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1981] <... setpgid resumed>) = 0 [pid 1980] <... prctl resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1980] setpgid(0, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 1984] <... prctl resumed>) = 0 [pid 1984] setpgid(0, 0 [pid 1981] <... openat resumed>) = 3 [pid 1980] <... setpgid resumed>) = 0 [pid 1984] <... setpgid resumed>) = 0 [pid 1981] write(3, "1000", 4 [pid 308] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1981] <... write resumed>) = 4 [pid 1980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1984] <... openat resumed>) = 3 [pid 1981] close(3 [pid 308] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1984] write(3, "1000", 4 [pid 1981] <... close resumed>) = 0 [pid 1980] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 1984] <... write resumed>) = 4 [pid 1981] symlink("/dev/binderfs", "./binderfs" [pid 308] fstat(3 [pid 1984] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1984] <... close resumed>) = 0 [pid 1981] <... symlink resumed>) = 0 [pid 1980] write(3, "1000", 4 [pid 308] getdents64(3 [pid 1984] symlink("/dev/binderfs", "./binderfs" [pid 1981] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 executing program [pid 1984] <... symlink resumed>) = 0 [pid 1981] <... write resumed>) = 18 [pid 1980] <... write resumed>) = 4 [pid 308] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1984] write(1, "executing program\n", 18 [pid 1981] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1980] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1984] <... write resumed>) = 18 executing program [pid 1981] <... socket resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./168/binderfs" [pid 1984] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1981] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1980] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1984] <... socket resumed>) = 3 [pid 1981] <... socket resumed>) = 4 [pid 1980] symlink("/dev/binderfs", "./binderfs" [pid 308] unlink("./168/binderfs" [pid 1984] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1981] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1980] <... symlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 1984] <... socket resumed>) = 4 [pid 1981] <... connect resumed>) = -1 EEXIST (File exists) [pid 1980] write(1, "executing program\n", 18 executing program [pid 308] getdents64(3 [pid 1984] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1981] sendfile(-1, -1, [3 [pid 1980] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1984] <... connect resumed>) = -1 EEXIST (File exists) [pid 1981] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1980] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] close(3 [pid 1984] sendfile(-1, -1, [3 [pid 1981] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1980] <... socket resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 1984] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] rmdir("./168" [pid 1984] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 308] <... rmdir resumed>) = 0 [pid 1984] <... clone3 resumed>) = 1987 [pid 1981] <... clone3 resumed>) = 1986 [pid 1980] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] mkdir("./169", 0777 [pid 1981] ioctl(3, PPPIOCSMRU, 0 [pid 1980] <... socket resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 1984] ioctl(3, PPPIOCSMRU, 0 [pid 1981] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1980] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... mkdir resumed>) = 0 [pid 1984] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1984] exit_group(0 [pid 1981] exit_group(0 [pid 1980] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1984] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1984] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1988 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1988 attached [pid 1988] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1988] chdir("./169") = 0 [pid 1988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1988] setpgid(0, 0) = 0 [pid 1988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1988] write(3, "1000", 4) = 4 [pid 1988] close(3) = 0 [pid 1988] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1988] write(1, "executing program\n", 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1980] sendfile(-1, -1, [3 [pid 307] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1980] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1981] <... exit_group resumed>) = ? [pid 1988] <... write resumed>) = 18 executing program [pid 1988] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1980] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1988] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1988] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 1988] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1988] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1980] <... clone3 resumed>) = 1989 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1981] +++ exited with 0 +++ [pid 306] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1980] ioctl(3, PPPIOCSMRU, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1988] <... clone3 resumed>) = 1990 [pid 1988] ioctl(3, PPPIOCSMRU, 0 [pid 1980] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [ 35.388037][ T1906] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [ 35.396083][ T1906] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 000000000000009f [ 35.404134][ T1906] [ 35.407581][ T1906] ---[ end trace 0000000000000000 ]--- [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 1988] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1980] exit_group(0 [pid 306] <... openat resumed>) = 3 [pid 1980] <... exit_group resumed>) = ? [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1988] exit_group(0) = ? [pid 1980] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./168/binderfs" [pid 306] newfstatat(AT_FDCWD, "./164/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./168/binderfs" [pid 306] unlink("./164/binderfs" [pid 1988] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 307] close(3) = 0 [pid 306] rmdir("./164" [pid 307] rmdir("./168" [pid 306] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./165", 0777 [pid 307] mkdir("./169", 0777) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 1992 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 1991 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 1992 attached [pid 1992] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1992] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 1991 attached , NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 1992] chdir("./169" [pid 1991] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 1991] rt_sigprocmask(SIG_SETMASK, [] [pid 1992] <... chdir resumed>) = 0 [pid 1991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1991] chdir("./165" [pid 1992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1991] <... chdir resumed>) = 0 [pid 1991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1991] setpgid(0, 0) = 0 [pid 1992] <... prctl resumed>) = 0 [pid 1991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1992] setpgid(0, 0 [pid 310] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./167/binderfs" [pid 309] newfstatat(AT_FDCWD, "./167/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./167/binderfs" [pid 309] unlink("./167/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1991] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] fstat(3 [pid 310] close(3 [pid 309] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] rmdir("./167" [pid 309] rmdir("./167" [pid 308] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1991] write(3, "1000", 4 [pid 1992] <... setpgid resumed>) = 0 [pid 310] mkdir("./168", 0777 [pid 309] mkdir("./168", 0777 [pid 308] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1991] <... write resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1992] <... openat resumed>) = 3 [pid 1991] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./169/binderfs"ci2-android-6-1/strace-static-x86_64: Process 1993 attached [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 1993 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] unlink("./169/binderfs" [pid 1993] set_robust_list(0x555593f8a6a0, 24 [pid 1992] write(3, "1000", 4 [pid 1991] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 1993] <... set_robust_list resumed>) = 0 [pid 1992] <... write resumed>) = 4 [pid 1991] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1991] <... symlink resumed>) = 0 [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 1994 attached [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 1994 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 1994] set_robust_list(0x555593f8a6a0, 24 [pid 1993] rt_sigprocmask(SIG_SETMASK, [] [pid 1992] close(3 [pid 1991] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(3 [pid 1994] <... set_robust_list resumed>) = 0 [pid 1993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1992] <... close resumed>) = 0 executing program [pid 1991] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./169" [pid 1994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1994] chdir("./168" [pid 308] <... rmdir resumed>) = 0 [pid 1994] <... chdir resumed>) = 0 [pid 308] mkdir("./170", 0777 [pid 1994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1994] setpgid(0, 0) = 0 [pid 1994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1992] symlink("/dev/binderfs", "./binderfs" [pid 1991] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 308] <... mkdir resumed>) = 0 [pid 1993] chdir("./168" [pid 1994] write(3, "1000", 4) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1994] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1994] <... close resumed>) = 0 [pid 1994] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1994] write(1, "executing program\n", 18) = 18 [pid 1994] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 1994] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 1995 [pid 1994] <... socket resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1994] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1994] <... connect resumed>) = -1 EEXIST (File exists) [pid 1994] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1994] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 1995 attached ) = 1996 [pid 1993] <... chdir resumed>) = 0 [pid 1992] <... symlink resumed>) = 0 [pid 1991] <... socket resumed>) = 3 [pid 1994] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1994] exit_group(0 [pid 1993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1992] write(1, "executing program\n", 18 [pid 1991] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1995] set_robust_list(0x555593f8a6a0, 24 [pid 1994] <... exit_group resumed>) = ? [pid 1995] <... set_robust_list resumed>) = 0 [pid 1993] <... prctl resumed>) = 0 executing program [pid 1992] <... write resumed>) = 18 [pid 1991] <... socket resumed>) = 4 [pid 1994] +++ exited with 0 +++ [pid 1995] rt_sigprocmask(SIG_SETMASK, [] [pid 1993] setpgid(0, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1991] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1993] <... setpgid resumed>) = 0 [pid 1992] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1995] chdir("./170") = 0 [pid 1995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1995] setpgid(0, 0 [pid 1993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1995] <... setpgid resumed>) = 0 [pid 1991] <... connect resumed>) = -1 EEXIST (File exists) [pid 1992] <... socket resumed>) = 3 [pid 1995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1993] <... openat resumed>) = 3 [pid 1995] <... openat resumed>) = 3 [pid 1995] write(3, "1000", 4) = 4 [pid 1995] close(3) = 0 [pid 1995] symlink("/dev/binderfs", "./binderfs" [pid 1993] write(3, "1000", 4 [pid 1992] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1991] sendfile(-1, -1, [3 [pid 1995] <... symlink resumed>) = 0 [pid 1993] <... write resumed>) = 4 [pid 1992] <... socket resumed>) = 4 [pid 1991] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1993] close(3 [pid 1992] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1991] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1995] write(1, "executing program\n", 18 [pid 1993] <... close resumed>) = 0 [pid 1992] <... connect resumed>) = -1 EEXIST (File exists) [pid 1993] symlink("/dev/binderfs", "./binderfs" executing program [pid 1992] sendfile(-1, -1, [3 [pid 1991] <... clone3 resumed>) = 1997 [pid 1995] <... write resumed>) = 18 [pid 1993] <... symlink resumed>) = 0 [pid 1992] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 1991] ioctl(3, PPPIOCSMRU, 0 [pid 1993] write(1, "executing program\n", 18 executing program [pid 1992] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1991] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1995] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1993] <... write resumed>) = 18 [pid 1995] <... socket resumed>) = 3 [pid 1995] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 1993] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 1992] <... clone3 resumed>) = 1998 [pid 1991] exit_group(0 [pid 1995] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1993] <... socket resumed>) = 3 [pid 1992] ioctl(3, PPPIOCSMRU, 0 [pid 1991] <... exit_group resumed>) = ? [pid 1995] <... connect resumed>) = -1 EEXIST (File exists) [pid 1993] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 1992] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 1995] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 1995] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 1993] <... socket resumed>) = 4 [pid 1992] exit_group(0 [pid 1991] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 1993] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 1992] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1995] <... clone3 resumed>) = 1999 [pid 1993] <... connect resumed>) = -1 EEXIST (File exists) [pid 1992] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1995] ioctl(3, PPPIOCSMRU, 0 [pid 1993] sendfile(-1, -1, [3 [pid 309] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1993] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1993] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1995] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1995] exit_group(0 [pid 1993] <... clone3 resumed>) = 2000 [pid 309] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 1995] <... exit_group resumed>) = ? [pid 1993] ioctl(3, PPPIOCSMRU, 0 [pid 309] fstat(3 [pid 1993] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 1993] exit_group(0 [pid 309] getdents64(3 [pid 1993] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 1995] +++ exited with 0 +++ [pid 1993] +++ exited with 0 +++ [pid 309] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./168/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./168/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 309] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 309] rmdir("./168" [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./169", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./165/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] unlink("./165/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2001 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./165") = 0 [pid 306] mkdir("./166", 0777 [pid 308] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 2002 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./170/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./170") = 0 [pid 308] mkdir("./171", 0777) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 2003 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 2003 attached [pid 2003] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 2003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2003] chdir("./171") = 0 [pid 2003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2003] setpgid(0, 0) = 0 [pid 2003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2003] write(3, "1000", 4) = 4 [pid 2003] close(3) = 0 [pid 2003] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2003] write(1, "executing program\n", 18) = 18 [pid 2003] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2003] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2003] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = 0 [pid 2003] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2003] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 2004 [pid 2003] ioctl(3, PPPIOCSMRU, 0) = -1 ENOSYS (Function not implemented) [pid 2003] exit_group(0) = ? [pid 2003] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2003, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- executing program [ 35.497171][ T1970] ------------[ cut here ]------------ [ 35.502751][ T1970] WARNING: CPU: 1 PID: 1970 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 35.512929][ T1970] Modules linked in: [ 35.516854][ T1970] CPU: 1 PID: 1970 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 35.526214][ T1970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 35.536346][ T1970] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./169/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./169") = 0 [pid 307] mkdir("./170", 0777) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./171/binderfs") = 0 [pid 308] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2005 [pid 308] rmdir("./171") = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./172", 0777) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 2006 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 2005 attached [pid 2005] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 2005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2005] chdir("./170") = 0 [pid 2005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2005] setpgid(0, 0) = 0 [pid 2005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2005] write(3, "1000", 4) = 4 [pid 2005] close(3) = 0 [pid 2005] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2005] write(1, "executing program\n", 18) = 18 [pid 2005] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 executing program [pid 2005] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [ 35.542749][ T1970] Code: 5d c3 e8 5c ce d4 fc be 02 00 00 00 eb 0a e8 50 ce d4 fc be 01 00 00 00 4c 89 f7 e8 a3 e8 cc fd e9 0f ff ff ff e8 39 ce d4 fc <0f> 0b 48 89 df e8 ff 00 00 00 eb bd e8 28 ce d4 fc 4c 89 f7 be 03 [ 35.562440][ T1970] RSP: 0018:ffffc90002997b90 EFLAGS: 00010293 [ 35.568565][ T1970] RAX: ffffffff849ca097 RBX: ffff88811c12f000 RCX: ffff88811d440000 [ 35.576613][ T1970] RDX: 0000000000000000 RSI: 0000000021a03a80 RDI: 000000000c04eb7d [ 35.584652][ T1970] RBP: ffffc90002997bb0 R08: ffff88811c12f083 R09: 1ffff11023825e10 [pid 2005] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2005] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2005] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 2007 [pid 2005] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2005] exit_group(0) = ? [pid 2005] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2005, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 310] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./170/binderfs" [pid 310] newfstatat(AT_FDCWD, "./168/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./170/binderfs" [pid 310] unlink("./168/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 310] close(3 [pid 307] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] rmdir("./170" [pid 310] rmdir("./168" [pid 307] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] mkdir("./171", 0777 [pid 310] mkdir("./169", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [ 35.592712][ T1970] R10: dffffc0000000000 R11: ffffed1023825e11 R12: dffffc0000000000 [ 35.600736][ T1970] R13: dffffc0000000000 R14: 0000000021a03a80 R15: ffff8881151c9c00 [ 35.608775][ T1970] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 35.617777][ T1970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.624407][ T1970] CR2: 00007f1cc08655bc CR3: 000000000700f000 CR4: 00000000003506a0 [ 35.632438][ T1970] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 2001 attached [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2001] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2008 [pid 2001] <... set_robust_list resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 2009 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 2001] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2001] chdir("./169") = 0 [pid 2001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2001] setpgid(0, 0) = 0 [pid 2001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2001] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 2008 attached ) = 4 [pid 2008] set_robust_list(0x555593f8a6a0, 24 [pid 2001] close(3 [pid 2008] <... set_robust_list resumed>) = 0 [pid 2001] <... close resumed>) = 0 [pid 2008] rt_sigprocmask(SIG_SETMASK, [] [pid 2001] symlink("/dev/binderfs", "./binderfs" [pid 2008] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2001] <... symlink resumed>) = 0 [pid 2008] chdir("./171" executing program [pid 2001] write(1, "executing program\n", 18 [pid 2008] <... chdir resumed>) = 0 [pid 2001] <... write resumed>) = 18 [pid 2008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2001] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2008] <... prctl resumed>) = 0 [pid 2001] <... socket resumed>) = 3 [pid 2008] setpgid(0, 0 [pid 2001] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2008] <... setpgid resumed>) = 0 [pid 2001] <... socket resumed>) = 4 [pid 2008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2001] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2008] <... openat resumed>) = 3 [pid 2001] <... connect resumed>) = -1 EEXIST (File exists) [pid 2008] write(3, "1000", 4 [pid 2001] sendfile(-1, -1, [3 [pid 2008] <... write resumed>) = 4 [pid 2001] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2008] close(3 [pid 2001] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2008] <... close resumed>) = 0 [pid 2001] <... clone3 resumed>) = 2010 [pid 2008] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2001] ioctl(3, PPPIOCSMRU, 0 [pid 2008] write(1, "executing program\n", 18 [pid 2001] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2008] <... write resumed>) = 18 executing program [pid 2001] exit_group(0 [ 35.640437][ T1970] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.648475][ T1970] Call Trace: [ 35.651785][ T1970] [ 35.654773][ T1970] pppol2tp_release+0x150/0x2b0 [ 35.659670][ T1970] sock_close+0xc9/0x220 [ 35.663998][ T1970] ? __cfi_sock_close+0x10/0x10 [ 35.668882][ T1970] __fput+0x1fd/0x8f0 [ 35.672949][ T1970] ____fput+0x15/0x20 [ 35.676970][ T1970] task_work_run+0x1e1/0x250 [ 35.681612][ T1970] ? __cfi_task_work_run+0x10/0x10 [ 35.686782][ T1970] ? free_nsproxy+0x21f/0x270 [ 35.691501][ T1970] do_exit+0xb0d/0x29f0 [pid 2008] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2001] <... exit_group resumed>) = ? [pid 2008] <... socket resumed>) = 3 [pid 2001] +++ exited with 0 +++ [pid 2008] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2001, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 2008] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2008] <... connect resumed>) = -1 ENODEV (No such device) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2008] sendfile(-1, -1, [3 [pid 309] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2008] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 2008] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] fstat(3 [pid 2008] <... clone3 resumed>) = 2011 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2008] ioctl(3, PPPIOCSMRU, 0 [pid 309] getdents64(3 [pid 2008] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2008] exit_group(0 [pid 309] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2008] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2008] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./169/binderfs"ci2-android-6-1/strace-static-x86_64: Process 2002 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2002] set_robust_list(0x555593f8a6a0, 24 [pid 309] unlink("./169/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2002] <... set_robust_list resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2002] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2002] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2002] chdir("./166" [pid 309] close(3 [pid 307] <... openat resumed>) = 3 [pid 2002] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] fstat(3 [pid 2002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rmdir("./169" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 35.695733][ T1970] ? __cfi_do_exit+0x10/0x10 [ 35.700384][ T1970] ? xfd_validate_state+0x70/0x150 [ 35.705559][ T1970] ? __kasan_check_write+0x14/0x20 [ 35.710704][ T1970] __x64_sys_exit+0x40/0x40 [ 35.715298][ T1970] x64_sys_call+0x67/0x9a0 [ 35.719738][ T1970] do_syscall_64+0x4c/0xa0 [ 35.724210][ T1970] ? clear_bhb_loop+0x30/0x80 [ 35.728923][ T1970] ? clear_bhb_loop+0x30/0x80 [ 35.733675][ T1970] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 35.739607][ T1970] RIP: 0033:0x7f1cc07fe169 [pid 2002] <... prctl resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 2002] setpgid(0, 0 [pid 309] mkdir("./170", 0777 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2002] <... setpgid resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2002] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./171/binderfs" [pid 2002] write(3, "1000", 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2002] <... write resumed>) = 4 [pid 307] unlink("./171/binderfs" [pid 2002] close(3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2012 [pid 307] <... unlink resumed>) = 0 [pid 2002] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 2002] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2002] <... symlink resumed>) = 0 [pid 307] close(3 [pid 2002] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 2002] <... write resumed>) = 18 executing program [pid 307] rmdir("./171" [pid 2002] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 307] <... rmdir resumed>) = 0 [pid 2002] <... socket resumed>) = 3 [pid 307] mkdir("./172", 0777 [pid 2002] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 2012 attached [pid 2002] <... socket resumed>) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2012] set_robust_list(0x555593f8a6a0, 24 [pid 2002] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2012] <... set_robust_list resumed>) = 0 [pid 2002] <... connect resumed>) = -1 ENODEV (No such device) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2012] rt_sigprocmask(SIG_SETMASK, [] [pid 2002] sendfile(-1, -1, [3 [pid 2012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2002] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2013 [pid 2012] chdir("./170" [pid 2002] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 2012] <... chdir resumed>) = 0 [pid 2002] <... clone3 resumed>) = 2014 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2002] ioctl(3, PPPIOCSMRU, 0 [pid 2012] <... prctl resumed>) = 0 [pid 2002] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2012] setpgid(0, 0 [pid 2002] exit_group(0 [pid 2012] <... setpgid resumed>) = 0 [pid 2002] <... exit_group resumed>) = ? [pid 2012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2002] +++ exited with 0 +++ [pid 2012] <... openat resumed>) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2012] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2012] <... write resumed>) = 4 [pid 2012] close(3) = 0 [pid 2012] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... restart_syscall resumed>) = 0 executing program [pid 2012] write(1, "executing program\n", 18) = 18 [ 35.744106][ T1970] Code: Unable to access opcode bytes at 0x7f1cc07fe13f. [ 35.751150][ T1970] RSP: 002b:00007ffd4f634448 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 35.759725][ T1970] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f1cc07fe169 [ 35.767761][ T1970] RDX: 00007f1cc08105d7 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.775812][ T1970] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003d [ 35.783835][ T1970] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4f63446c [pid 2012] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2012] <... socket resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2012] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 306] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2012] <... socket resumed>) = 4 [pid 306] <... openat resumed>) = 3 [pid 2012] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 2013 attached ci2-android-6-1/strace-static-x86_64: Process 2009 attached ci2-android-6-1/strace-static-x86_64: Process 2006 attached [pid 2012] <... connect resumed>) = -1 ENODEV (No such device) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2013] set_robust_list(0x555593f8a6a0, 24 [pid 2012] sendfile(-1, -1, [3 [pid 2009] set_robust_list(0x555593f8a6a0, 24 [pid 2006] set_robust_list(0x555593f8a6a0, 24 [pid 306] getdents64(3 [pid 2013] <... set_robust_list resumed>) = 0 [pid 2012] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2009] <... set_robust_list resumed>) = 0 [pid 2006] <... set_robust_list resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2013] rt_sigprocmask(SIG_SETMASK, [] [pid 2012] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2009] rt_sigprocmask(SIG_SETMASK, [] [pid 2006] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2012] <... clone3 resumed>) = 2015 [pid 2009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2006] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2013] chdir("./172" [pid 2012] ioctl(3, PPPIOCSMRU, 0 [pid 2009] chdir("./169" [pid 2006] chdir("./172" [pid 306] newfstatat(AT_FDCWD, "./166/binderfs" [pid 2013] <... chdir resumed>) = 0 [pid 2012] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2009] <... chdir resumed>) = 0 [pid 2006] <... chdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2012] exit_group(0 [pid 2009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] unlink("./166/binderfs" [pid 2013] <... prctl resumed>) = 0 [pid 2012] <... exit_group resumed>) = ? [pid 2009] <... prctl resumed>) = 0 [pid 2006] <... prctl resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 2013] setpgid(0, 0 [pid 2012] +++ exited with 0 +++ [pid 2009] setpgid(0, 0 [pid 2006] setpgid(0, 0 [pid 306] getdents64(3 [pid 2013] <... setpgid resumed>) = 0 [pid 2009] <... setpgid resumed>) = 0 [pid 2006] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 2013] <... openat resumed>) = 3 [pid 2009] <... openat resumed>) = 3 [pid 2006] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 2013] write(3, "1000", 4 [pid 2009] write(3, "1000", 4 [pid 2006] write(3, "1000", 4 [pid 306] rmdir("./166" [pid 2013] <... write resumed>) = 4 [pid 2009] <... write resumed>) = 4 [pid 2006] <... write resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 2013] close(3 [pid 2009] close(3 [pid 2006] close(3 [pid 309] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./167", 0777 [pid 2013] <... close resumed>) = 0 [pid 2009] <... close resumed>) = 0 [pid 2006] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 2013] symlink("/dev/binderfs", "./binderfs" [pid 2009] symlink("/dev/binderfs", "./binderfs" [pid 2006] symlink("/dev/binderfs", "./binderfs" [pid 309] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2013] <... symlink resumed>) = 0 [pid 2009] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2013] write(1, "executing program\n", 18 [pid 2009] write(1, "executing program\n", 18 [pid 2006] <... symlink resumed>) = 0 executing program executing program [pid 309] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2013] <... write resumed>) = 18 [pid 2009] <... write resumed>) = 18 [pid 2006] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 2013] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2009] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2006] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 2016 [pid 2013] <... socket resumed>) = 3 [pid 2009] <... socket resumed>) = 3 [pid 2006] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2013] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2009] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2006] <... socket resumed>) = 3 [pid 309] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2013] <... socket resumed>) = 4 [pid 2009] <... socket resumed>) = 4 [pid 2006] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2013] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2009] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2006] <... socket resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./170/binderfs" [pid 2013] <... connect resumed>) = 0 [pid 2009] <... connect resumed>) = -1 EEXIST (File exists) [pid 2006] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2013] sendfile(-1, -1, [3 [pid 2009] sendfile(-1, -1, [3 [pid 2006] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./170/binderfs" [pid 2013] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2009] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2006] sendfile(-1, -1, [3 [pid 309] <... unlink resumed>) = 0 [pid 2013] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2009] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2006] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./170") = 0 [pid 309] mkdir("./171", 0777 [pid 2013] <... clone3 resumed>) = 2017 [pid 2009] <... clone3 resumed>) = 2018 [pid 309] <... mkdir resumed>) = 0 [pid 2006] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2013] ioctl(3, PPPIOCSMRU, 0 [pid 2009] ioctl(3, PPPIOCSMRU, 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 2013] <... ioctl resumed>) = -1 ENOSYS (Function not implemented) [pid 2009] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2006] <... clone3 resumed>) = 2019 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2013] exit_group(0 [pid 2009] exit_group(0 [pid 2006] ioctl(3, PPPIOCSMRU, 0 [pid 2013] <... exit_group resumed>) = ? [pid 2009] <... exit_group resumed>) = ? [pid 2006] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2020 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2013] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 2016 attached [pid 2009] +++ exited with 0 +++ [pid 2006] exit_group(0 [pid 2016] set_robust_list(0x555593f8a6a0, 24 [pid 2006] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2016] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2016] chdir("./167" [pid 2006] +++ exited with 0 +++ [pid 2016] <... chdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2016] <... prctl resumed>) = 0 [pid 2016] setpgid(0, 0) = 0 [pid 2016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2016] write(3, "1000", 4) = 4 [pid 2016] close(3) = 0 [pid 2016] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2016] write(1, "executing program\n", 18) = 18 executing program [pid 2016] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2016] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2016] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 2020 attached [pid 2016] sendfile(-1, -1, [3 [pid 2020] set_robust_list(0x555593f8a6a0, 24 [pid 2016] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2020] <... set_robust_list resumed>) = 0 [pid 2016] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2020] rt_sigprocmask(SIG_SETMASK, [] [pid 2016] <... clone3 resumed>) = 2021 [pid 2020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2016] ioctl(3, PPPIOCSMRU, 0 [pid 2020] chdir("./171" [pid 2016] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2020] <... chdir resumed>) = 0 [pid 2016] exit_group(0 [pid 2020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2016] <... exit_group resumed>) = ? [pid 2020] <... prctl resumed>) = 0 [pid 2016] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 2020] setpgid(0, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2020] <... setpgid resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 2020] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 2020] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2020] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 307] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2020] close(3 [pid 310] fstat(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2020] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 2020] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 310] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./169/binderfs" [pid 308] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 310] unlink("./169/binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2020] <... symlink resumed>) = 0 [pid 2020] write(1, "executing program\n", 18) = 18 [pid 2020] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2020] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2020] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2020] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2020] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 2022 [pid 2020] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2020] exit_group(0) = ? [pid 2020] +++ exited with 0 +++ [pid 308] fstat(3 [pid 307] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] close(3 [pid 307] newfstatat(AT_FDCWD, "./172/binderfs" [pid 306] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 308] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./169" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./172/binderfs" [pid 307] unlink("./172/binderfs" [pid 306] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./170", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 executing program [pid 306] <... openat resumed>) = 3 [pid 308] unlink("./172/binderfs" [pid 307] getdents64(3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 307] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./167/binderfs") = 0 [pid 306] getdents64(3 [pid 307] rmdir("./172" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 2023 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] rmdir("./172" [pid 306] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./173", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./167") = 0 [pid 306] mkdir("./168", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./173", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 2023 attached ci2-android-6-1/strace-static-x86_64: Process 2024 attached [pid 308] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2024] set_robust_list(0x555593f8a6a0, 24 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 2024 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2024] <... set_robust_list resumed>) = 0 [pid 2023] set_robust_list(0x555593f8a6a0, 24 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2024] rt_sigprocmask(SIG_SETMASK, [] [pid 2023] <... set_robust_list resumed>) = 0 [pid 2024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2023] rt_sigprocmask(SIG_SETMASK, [] [pid 2024] chdir("./168" [pid 2023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2023] chdir("./170" [pid 2024] <... chdir resumed>) = 0 [pid 2024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2025 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 2026 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 2026 attached [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 2025 attached [pid 2026] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2023] <... chdir resumed>) = 0 [pid 2026] <... set_robust_list resumed>) = 0 [pid 2024] <... prctl resumed>) = 0 [ 35.791845][ T1970] R13: 00007ffd4f6344a0 R14: 00007ffd4f634480 R15: 00000000000000a6 [ 35.799894][ T1970] [ 35.802965][ T1970] ---[ end trace 0000000000000000 ]--- [pid 309] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2025] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2026] rt_sigprocmask(SIG_SETMASK, [] [pid 2024] setpgid(0, 0 [pid 2023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 2026] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 2025] <... set_robust_list resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2025] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 2026] chdir("./173" [pid 2025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2026] <... chdir resumed>) = 0 [pid 2025] chdir("./173" [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2025] <... chdir resumed>) = 0 [pid 309] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2026] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2025] <... prctl resumed>) = 0 [pid 2025] setpgid(0, 0 [pid 2026] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./171/binderfs" [pid 2025] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2026] <... setpgid resumed>) = 0 [pid 309] unlink("./171/binderfs" [pid 2025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... unlink resumed>) = 0 [pid 2026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2024] <... setpgid resumed>) = 0 [pid 2023] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 2025] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2026] <... openat resumed>) = 3 [pid 2023] setpgid(0, 0 [pid 309] close(3 [pid 2025] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 2026] write(3, "1000", 4 [pid 2023] <... setpgid resumed>) = 0 [pid 309] rmdir("./171" [pid 2025] close(3) = 0 [pid 2025] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 2026] <... write resumed>) = 4 [pid 309] mkdir("./172", 0777 [pid 2026] close(3 [pid 2024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2025] <... symlink resumed>) = 0 [pid 2025] write(1, "executing program\n", 18) = 18 [pid 2025] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... mkdir resumed>) = 0 [pid 2026] <... close resumed>) = 0 [pid 2025] <... socket resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2026] symlink("/dev/binderfs", "./binderfs" [pid 2024] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2025] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2025] <... socket resumed>) = 4 [pid 2025] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2025] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 2025] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2026] <... symlink resumed>) = 0 [pid 2025] <... clone3 resumed>) = 2028 [pid 2026] write(1, "executing program\n", 18 [pid 2025] ioctl(3, PPPIOCSMRU, 0 [pid 2024] write(3, "1000", 4 [pid 2023] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2027 [pid 2025] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 2026] <... write resumed>) = 18 [pid 2025] exit_group(0 [pid 2024] <... write resumed>) = 4 [pid 2023] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 2026] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2025] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2023] <... write resumed>) = 4 [pid 2024] close(3ci2-android-6-1/strace-static-x86_64: Process 2027 attached [pid 2026] <... socket resumed>) = 3 [pid 2025] +++ exited with 0 +++ [pid 2024] <... close resumed>) = 0 [pid 2023] close(3 [pid 2026] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2024] symlink("/dev/binderfs", "./binderfs" [pid 2023] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2027] set_robust_list(0x555593f8a6a0, 24 [pid 2026] <... socket resumed>) = 4 [pid 2024] <... symlink resumed>) = 0 [pid 2023] symlink("/dev/binderfs", "./binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2027] <... set_robust_list resumed>) = 0 [pid 2026] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2027] chdir("./172" [pid 2026] <... connect resumed>) = -1 EEXIST (File exists) [pid 2024] write(1, "executing program\n", 18 [pid 2023] <... symlink resumed>) = 0 [pid 2026] sendfile(-1, -1, [3 [pid 2027] <... chdir resumed>) = 0 [pid 2026] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2024] <... write resumed>) = 18 [pid 2023] write(1, "executing program\n", 18 executing program executing program [pid 2027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2026] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2024] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2023] <... write resumed>) = 18 [pid 2027] <... prctl resumed>) = 0 [pid 2027] setpgid(0, 0) = 0 [pid 2027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2027] write(3, "1000", 4) = 4 [pid 2027] close(3) = 0 [pid 2026] <... clone3 resumed>) = 2029 [pid 2027] symlink("/dev/binderfs", "./binderfs" [pid 2024] <... socket resumed>) = 3 [pid 2026] ioctl(3, PPPIOCSMRU, 0 [pid 2024] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2023] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2026] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2027] <... symlink resumed>) = 0 [pid 2026] exit_group(0 [pid 2023] <... socket resumed>) = 3 [pid 2024] <... socket resumed>) = 4 [pid 2023] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2026] <... exit_group resumed>) = ? [pid 2027] write(1, "executing program\n", 18 [pid 2023] <... socket resumed>) = 4 [pid 2024] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2027] <... write resumed>) = 18 [pid 2027] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2027] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2027] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2027] sendfile(-1, -1, [3 [pid 2026] +++ exited with 0 +++ [pid 2027] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 2023] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2024] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2027] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2024] sendfile(-1, -1, [3 [pid 2023] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2024] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2023] sendfile(-1, -1, [3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 2027] <... clone3 resumed>) = 2030 [pid 2024] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2023] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2027] ioctl(3, PPPIOCSMRU, 0 [pid 2024] <... clone3 resumed>) = 2031 [pid 2023] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2027] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2024] ioctl(3, PPPIOCSMRU, 0 [pid 2027] exit_group(0) = ? [pid 2027] +++ exited with 0 +++ [pid 2023] <... clone3 resumed>) = 2032 [pid 308] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2024] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2023] ioctl(3, PPPIOCSMRU, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2024] exit_group(0 [pid 2023] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2024] <... exit_group resumed>) = ? [pid 2023] exit_group(0 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 2023] <... exit_group resumed>) = ? [pid 2024] +++ exited with 0 +++ [pid 308] fstat(3 [pid 307] fstat(3 [pid 2023] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./173/binderfs" [pid 307] newfstatat(AT_FDCWD, "./173/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./173/binderfs" [pid 307] unlink("./173/binderfs" [pid 309] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 309] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] close(3 [pid 307] close(3 [pid 309] fstat(3 [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./173" [pid 307] rmdir("./173" [pid 309] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] mkdir("./174", 0777 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] mkdir("./174", 0777 [pid 309] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 2033 attached [pid 309] newfstatat(AT_FDCWD, "./172/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2033] set_robust_list(0x555593f8a6a0, 24 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2033 [pid 2033] <... set_robust_list resumed>) = 0 [pid 309] unlink("./172/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 2033] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 2033] chdir("./174") = 0 [pid 2033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2033] setpgid(0, 0) = 0 [pid 309] getdents64(3 [pid 2033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 2034 [pid 2033] <... openat resumed>) = 3 [pid 309] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 2034 attached [pid 2033] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./172" [pid 2033] <... write resumed>) = 4 [pid 2033] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 2033] symlink("/dev/binderfs", "./binderfs" [pid 309] mkdir("./173", 0777 [pid 2033] <... symlink resumed>) = 0 [pid 2033] write(1, "executing program\n", 18) = 18 [pid 2033] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 309] <... mkdir resumed>) = 0 executing program [pid 2033] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2033] <... socket resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2033] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2034] set_robust_list(0x555593f8a6a0, 24 [pid 2033] <... connect resumed>) = -1 EEXIST (File exists) [pid 2033] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2033] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2034] <... set_robust_list resumed>) = 0 [pid 2033] <... clone3 resumed>) = 2036 [pid 2033] ioctl(3, PPPIOCSMRU, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 2033] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2035 [pid 2034] rt_sigprocmask(SIG_SETMASK, [] [pid 2033] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 2033] <... exit_group resumed>) = ? [pid 2034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 2035 attached [pid 2034] chdir("./174" [pid 2033] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 2034] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./168/binderfs") = 0 [pid 306] getdents64(3 [pid 2034] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./168") = 0 [pid 306] mkdir("./169", 0777 [pid 2035] set_robust_list(0x555593f8a6a0, 24 [pid 2034] setpgid(0, 0 [pid 310] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2035] <... set_robust_list resumed>) = 0 [pid 2034] <... setpgid resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2035] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2035] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 2037 attached [pid 2035] chdir("./173" [pid 2034] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 2035] <... chdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 2037 [pid 2035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2035] <... prctl resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2035] setpgid(0, 0) = 0 [pid 2035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2034] write(3, "1000", 4 [pid 310] fstat(3 [pid 2035] <... openat resumed>) = 3 [pid 2035] write(3, "1000", 4) = 4 [pid 2035] close(3) = 0 [pid 2035] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2034] <... write resumed>) = 4 executing program [pid 2035] write(1, "executing program\n", 18) = 18 [pid 2035] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2035] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2035] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2035] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2035] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 2038 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2035] ioctl(3, PPPIOCSMRU, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2035] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2034] close(3 [pid 310] getdents64(3 [pid 307] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2035] exit_group(0 [pid 2034] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 2035] <... exit_group resumed>) = ? [pid 307] fstat(3 [pid 2037] set_robust_list(0x555593f8a6a0, 24 [pid 2034] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2035] +++ exited with 0 +++ [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./174/binderfs") = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./174") = 0 [pid 307] mkdir("./175", 0777 [pid 2037] <... set_robust_list resumed>) = 0 [pid 2034] <... symlink resumed>) = 0 [pid 310] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 2034] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2037] rt_sigprocmask(SIG_SETMASK, [] [pid 2034] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2034] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] newfstatat(AT_FDCWD, "./170/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 2039 attached [pid 2037] chdir("./169" [pid 2039] set_robust_list(0x555593f8a6a0, 24 [pid 2037] <... chdir resumed>) = 0 [pid 2034] <... socket resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2039 [pid 2039] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 2039] rt_sigprocmask(SIG_SETMASK, [] [pid 2037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2034] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] unlink("./170/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2039] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2039] chdir("./175") = 0 [pid 2039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2039] setpgid(0, 0) = 0 [pid 2039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 2037] <... prctl resumed>) = 0 [pid 2034] <... socket resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 2039] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 2039] write(3, "1000", 4) = 4 [pid 2039] close(3 [pid 2034] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2039] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2037] setpgid(0, 0 [pid 2034] <... connect resumed>) = -1 EEXIST (File exists) [pid 2039] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 309] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2037] <... setpgid resumed>) = 0 [pid 2034] sendfile(-1, -1, [3 [pid 2039] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2034] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./170" [pid 309] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2039] write(1, "executing program\n", 18) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 2039] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... openat resumed>) = 3 [pid 2039] <... socket resumed>) = 3 [pid 2037] <... openat resumed>) = 3 executing program [pid 2034] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] mkdir("./171", 0777 [pid 309] fstat(3 [pid 2039] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2039] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2039] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2039] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 2041 [pid 2037] write(3, "1000", 4 [pid 2034] <... clone3 resumed>) = 2040 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2039] ioctl(3, PPPIOCSMRU, 0 [pid 2037] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2039] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2037] close(3 [pid 2034] ioctl(3, PPPIOCSMRU, 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 2039] exit_group(0 [pid 2037] <... close resumed>) = 0 [pid 2034] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2039] <... exit_group resumed>) = ? [pid 2037] symlink("/dev/binderfs", "./binderfs" [pid 2039] +++ exited with 0 +++ [pid 2037] <... symlink resumed>) = 0 [pid 2034] exit_group(0 [pid 309] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2037] write(1, "executing program\n", 18 [pid 2034] <... exit_group resumed>) = ? [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 2042 executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2037] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./173/binderfs"ci2-android-6-1/strace-static-x86_64: Process 2042 attached [pid 2042] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 2042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2034] +++ exited with 0 +++ [pid 2042] chdir("./171" [pid 2037] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 2042] <... chdir resumed>) = 0 [pid 2037] <... socket resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./173/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2037] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2042] setpgid(0, 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2037] <... socket resumed>) = 4 [pid 309] getdents64(3 [pid 2042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2037] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2037] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] close(3 [pid 2037] sendfile(-1, -1, [3 [pid 2042] <... openat resumed>) = 3 [pid 2037] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 2042] write(3, "1000", 4 [pid 2037] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rmdir("./173" [pid 2042] <... write resumed>) = 4 [pid 2042] close(3) = 0 [pid 2042] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2042] write(1, "executing program\n", 18) = 18 [pid 2037] <... clone3 resumed>) = 2043 [pid 2042] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2037] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rmdir resumed>) = 0 [pid 2042] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2037] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) executing program [pid 309] mkdir("./174", 0777 [pid 2042] <... socket resumed>) = 4 [pid 2037] exit_group(0 [pid 2042] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2042] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2042] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2037] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 2042] <... clone3 resumed>) = 2044 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2042] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2042] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 2045 attached [pid 2037] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2042] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2042] +++ exited with 0 +++ [pid 308] unlink("./174/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2045 [pid 2045] set_robust_list(0x555593f8a6a0, 24 [pid 308] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2045] <... set_robust_list resumed>) = 0 [pid 307] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./175/binderfs") = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 308] rmdir("./174" [pid 307] rmdir("./175" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./176", 0777 [pid 2045] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./175", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 2045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 2046 attached [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2046 [pid 306] getdents64(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./169/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./169") = 0 [pid 306] mkdir("./170", 0777) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 2047 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 2047 attached [pid 2045] chdir("./174" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 2048 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2046] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 2046] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2046] chdir("./176") = 0 [pid 2046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2046] setpgid(0, 0) = 0 [pid 2046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2046] write(3, "1000", 4) = 4 [pid 2046] close(3) = 0 [pid 2046] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2045] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 executing program [pid 2045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(3 [pid 2046] write(1, "executing program\n", 18) = 18 [pid 2046] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2046] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2046] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2046] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2046] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88ci2-android-6-1/strace-static-x86_64: Process 2048 attached [pid 2047] set_robust_list(0x555593f8a6a0, 24 [pid 2045] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2048] set_robust_list(0x555593f8a6a0, 24 [pid 2046] <... clone3 resumed>) = 2049 [pid 2046] ioctl(3, PPPIOCSMRU, 0 [pid 2045] setpgid(0, 0 [pid 310] getdents64(3 [pid 2046] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2048] <... set_robust_list resumed>) = 0 [pid 2047] <... set_robust_list resumed>) = 0 [pid 2046] exit_group(0 [pid 2045] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2046] <... exit_group resumed>) = ? [pid 2048] rt_sigprocmask(SIG_SETMASK, [] [pid 2047] rt_sigprocmask(SIG_SETMASK, [] [pid 2046] +++ exited with 0 +++ [pid 2045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2048] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2045] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2045] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./171/binderfs" [pid 2045] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2045] close(3 [pid 310] unlink("./171/binderfs" [pid 2047] chdir("./175" [pid 2045] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 2048] chdir("./170" [pid 2045] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 2048] <... chdir resumed>) = 0 [pid 2047] <... chdir resumed>) = 0 [pid 2045] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2045] write(1, "executing program\n", 18 [pid 310] close(3 [pid 2048] <... prctl resumed>) = 0 [pid 2047] <... prctl resumed>) = 0 [pid 2045] <... write resumed>) = 18 executing program [pid 2048] setpgid(0, 0 [pid 2047] setpgid(0, 0 [pid 2045] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... close resumed>) = 0 [pid 2048] <... setpgid resumed>) = 0 [pid 2047] <... setpgid resumed>) = 0 [pid 2048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2045] <... socket resumed>) = 3 [pid 310] rmdir("./171" [pid 2048] <... openat resumed>) = 3 [pid 2047] <... openat resumed>) = 3 [pid 2045] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2048] write(3, "1000", 4 [pid 2047] write(3, "1000", 4 [pid 2048] <... write resumed>) = 4 [pid 2047] <... write resumed>) = 4 [pid 2045] <... socket resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 2048] close(3 [pid 2047] close(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 2045] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2048] <... close resumed>) = 0 [pid 2047] <... close resumed>) = 0 [pid 310] mkdir("./172", 0777 [pid 2048] symlink("/dev/binderfs", "./binderfs" [pid 2047] symlink("/dev/binderfs", "./binderfs" [pid 2045] <... connect resumed>) = -1 EEXIST (File exists) [pid 2048] <... symlink resumed>) = 0 [pid 2047] <... symlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2048] write(1, "executing program\n", 18 [pid 2047] write(1, "executing program\n", 18 [pid 2045] sendfile(-1, -1, [3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2048] <... write resumed>) = 18 [pid 2047] <... write resumed>) = 18 executing program executing program [pid 2045] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2048] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2047] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2045] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 3 [pid 2048] <... socket resumed>) = 3 [pid 2047] <... socket resumed>) = 3 [pid 307] fstat(3 [pid 2048] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2047] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2048] <... socket resumed>) = 4 [pid 2047] <... socket resumed>) = 4 [pid 307] getdents64(3 [pid 2048] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2047] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2045] <... clone3 resumed>) = 2050 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2048] <... connect resumed>) = -1 EEXIST (File exists) [pid 2047] <... connect resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2048] sendfile(-1, -1, [3 [pid 2047] sendfile(-1, -1, [3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2048] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2047] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2045] ioctl(3, PPPIOCSMRU, 0 [pid 307] newfstatat(AT_FDCWD, "./176/binderfs" [pid 2048] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2047] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2045] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 2051 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 2051 attached [pid 2048] <... clone3 resumed>) = 2052 [pid 2047] <... clone3 resumed>) = 2053 [pid 2045] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./176/binderfs" [pid 2048] ioctl(3, PPPIOCSMRU, 0 [pid 2047] ioctl(3, PPPIOCSMRU, 0 [pid 2045] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 2048] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2047] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] getdents64(3 [pid 2048] exit_group(0 [pid 2047] exit_group(0 [pid 307] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2048] <... exit_group resumed>) = ? [pid 2047] <... exit_group resumed>) = ? [pid 307] close(3 [pid 2051] set_robust_list(0x555593f8a6a0, 24 [pid 2048] +++ exited with 0 +++ [pid 2045] +++ exited with 0 +++ [pid 2051] <... set_robust_list resumed>) = 0 [pid 2047] +++ exited with 0 +++ [pid 307] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./176" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2051] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] mkdir("./177", 0777 [pid 2051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2051] chdir("./172" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2051] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2051] setpgid(0, 0) = 0 [pid 2051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2054 [pid 2051] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2051] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2051] close(3 [pid 309] newfstatat(AT_FDCWD, "./174/binderfs" [pid 2051] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2051] symlink("/dev/binderfs", "./binderfs" [pid 309] unlink("./174/binderfs"ci2-android-6-1/strace-static-x86_64: Process 2054 attached [pid 2051] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 2051] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 2051] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 executing program [pid 2051] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] close(3 [pid 2051] <... socket resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 2051] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] rmdir("./174" [pid 2051] <... socket resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 2051] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] mkdir("./175", 0777 [pid 2051] <... connect resumed>) = -1 EEXIST (File exists) [pid 2051] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2051] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] <... mkdir resumed>) = 0 [pid 2054] set_robust_list(0x555593f8a6a0, 24 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2054] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2051] <... clone3 resumed>) = 2055 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2051] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2051] exit_group(0) = ? [pid 2054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2051] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2056 ci2-android-6-1/strace-static-x86_64: Process 2056 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2056] set_robust_list(0x555593f8a6a0, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 2056] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2056] chdir("./175" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2056] <... chdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2054] chdir("./177" [pid 306] <... openat resumed>) = 3 [pid 2054] <... chdir resumed>) = 0 [pid 306] fstat(3 [pid 2056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2056] <... prctl resumed>) = 0 [pid 2056] setpgid(0, 0 [pid 306] getdents64(3 [pid 2056] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2056] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2056] write(3, "1000", 4 [pid 306] newfstatat(AT_FDCWD, "./170/binderfs" [pid 2056] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2056] close(3 [pid 306] unlink("./170/binderfs" [pid 2056] <... close resumed>) = 0 [pid 2056] symlink("/dev/binderfs", "./binderfs" [pid 306] <... unlink resumed>) = 0 [pid 2056] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 2056] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2056] <... write resumed>) = 18 [pid 306] close(3 [pid 2056] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 306] <... close resumed>) = 0 executing program [pid 2056] <... socket resumed>) = 3 [pid 306] rmdir("./170" [pid 2056] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2054] <... prctl resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 2056] <... socket resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 2054] setpgid(0, 0 [pid 306] mkdir("./171", 0777 [pid 2056] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2056] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2056] sendfile(-1, -1, [3 [pid 2054] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 2056] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2056] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(3 [pid 308] fstat(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2054] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 2058 attached [pid 2056] <... clone3 resumed>) = 2057 [pid 2054] write(3, "1000", 4 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 2058] set_robust_list(0x555593f8a6a0, 24 [pid 2056] ioctl(3, PPPIOCSMRU, 0 [pid 2054] <... write resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 2058 [pid 2058] <... set_robust_list resumed>) = 0 [pid 2056] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2054] close(3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2056] exit_group(0 [pid 2054] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2054] symlink("/dev/binderfs", "./binderfs" [pid 2056] <... exit_group resumed>) = ? [pid 310] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2058] rt_sigprocmask(SIG_SETMASK, [] [pid 2054] <... symlink resumed>) = 0 [pid 2054] write(1, "executing program\n", 18) = 18 executing program [pid 2054] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2056] +++ exited with 0 +++ [pid 2058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2054] <... socket resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2054] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 310] newfstatat(AT_FDCWD, "./172/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./175/binderfs" [pid 2058] chdir("./171" [pid 2054] <... socket resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2054] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2058] <... chdir resumed>) = 0 [pid 310] unlink("./172/binderfs" [pid 308] unlink("./175/binderfs" [pid 2054] <... connect resumed>) = -1 EEXIST (File exists) [pid 2054] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2054] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... unlink resumed>) = 0 [pid 2058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 2058] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 2058] setpgid(0, 0 [pid 2054] <... clone3 resumed>) = 2059 [pid 310] close(3 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2054] ioctl(3, PPPIOCSMRU, 0 [pid 2058] <... setpgid resumed>) = 0 [pid 2054] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... close resumed>) = 0 [pid 308] close(3 [pid 2054] exit_group(0) = ? [pid 310] rmdir("./172" [pid 2058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2054] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] mkdir("./173", 0777 [pid 308] rmdir("./175" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2058] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 2058] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 2058] <... write resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./176", 0777 [pid 2058] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] unlink("./175/binderfs") = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./175" [pid 2058] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2058] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 2060 [pid 309] mkdir("./176", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2058] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2058] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2058] <... write resumed>) = 18 executing program [pid 2058] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2062 [pid 308] <... clone resumed>, child_tidptr=0x555593f8a690) = 2061 [pid 2058] <... socket resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 2058] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2058] <... socket resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 2060 attached [pid 2060] set_robust_list(0x555593f8a6a0, 24 [pid 2058] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2060] <... set_robust_list resumed>) = 0 [pid 2058] <... connect resumed>) = -1 EEXIST (File exists) [pid 2060] rt_sigprocmask(SIG_SETMASK, [] [pid 2058] sendfile(-1, -1, [3 [pid 2060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2058] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2060] chdir("./173" [pid 2058] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2060] <... chdir resumed>) = 0 [pid 2060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2060] setpgid(0, 0) = 0 [pid 2060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2060] write(3, "1000", 4) = 4 [pid 2060] close(3) = 0 [pid 2058] <... clone3 resumed>) = 2063 [pid 2060] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2060] write(1, "executing program\n", 18) = 18 executing program [pid 2058] ioctl(3, PPPIOCSMRU, 0 [pid 2060] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2060] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2060] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2060] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2060] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 2061 attached [pid 2058] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2058] exit_group(0 [pid 307] <... openat resumed>) = 3 [pid 2058] <... exit_group resumed>) = ? [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./177/binderfs" [pid 2058] +++ exited with 0 +++ [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./177/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./177") = 0 [pid 307] mkdir("./178", 0777ci2-android-6-1/strace-static-x86_64: Process 2062 attached [pid 2061] set_robust_list(0x555593f8a6a0, 24 [pid 2060] <... clone3 resumed>) = 2064 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2062] set_robust_list(0x555593f8a6a0, 24 [pid 2061] <... set_robust_list resumed>) = 0 [pid 2060] ioctl(3, PPPIOCSMRU, 0ci2-android-6-1/strace-static-x86_64: Process 2065 attached [pid 2062] <... set_robust_list resumed>) = 0 [pid 2065] set_robust_list(0x555593f8a6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2065 [pid 2065] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 2065] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2065] chdir("./178") = 0 [pid 2065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2065] setpgid(0, 0) = 0 [pid 2065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2062] rt_sigprocmask(SIG_SETMASK, [] [pid 2061] rt_sigprocmask(SIG_SETMASK, [] [pid 2060] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2065] write(3, "1000", 4) = 4 [pid 2065] close(3) = 0 [pid 2065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2065] write(1, "executing program\n", 18 [pid 2060] exit_group(0 [pid 2062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2061] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2065] <... write resumed>) = 18 [pid 2060] <... exit_group resumed>) = ? executing program [pid 2062] chdir("./176" [pid 2061] chdir("./176" [pid 2065] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2062] <... chdir resumed>) = 0 [pid 2060] +++ exited with 0 +++ [pid 2065] <... socket resumed>) = 3 [pid 2065] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2065] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2061] <... chdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 2062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2065] sendfile(-1, -1, [3 [pid 2062] <... prctl resumed>) = 0 [pid 2061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2062] setpgid(0, 0 [pid 2061] <... prctl resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 2062] <... setpgid resumed>) = 0 [pid 2061] setpgid(0, 0 [pid 2065] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 2061] <... setpgid resumed>) = 0 [pid 2065] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2062] <... openat resumed>) = 3 [pid 2061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2065] <... clone3 resumed>) = 2066 [pid 2062] write(3, "1000", 4 [pid 2061] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2065] ioctl(3, PPPIOCSMRU, 0 [pid 2062] <... write resumed>) = 4 [pid 2061] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2065] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2065] exit_group(0 [pid 2062] close(3 [pid 2061] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 2065] <... exit_group resumed>) = ? [pid 2062] <... close resumed>) = 0 [pid 2061] close(3 [pid 310] fstat(3 [pid 2065] +++ exited with 0 +++ [pid 2062] symlink("/dev/binderfs", "./binderfs" [pid 2061] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2062] <... symlink resumed>) = 0 [pid 2061] symlink("/dev/binderfs", "./binderfs" [pid 2062] write(1, "executing program\n", 18 executing program executing program [pid 310] getdents64(3 [pid 2062] <... write resumed>) = 18 [pid 2061] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2062] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2061] write(1, "executing program\n", 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 2062] <... socket resumed>) = 3 [pid 2061] <... write resumed>) = 18 [pid 310] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2062] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2061] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2062] <... socket resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./173/binderfs" [pid 306] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2061] <... socket resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2062] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2061] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2062] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./173/binderfs" [pid 306] <... openat resumed>) = 3 [pid 2061] <... socket resumed>) = 4 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 2062] sendfile(-1, -1, [3 [pid 2061] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 310] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2062] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 2061] <... connect resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 306] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2062] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2061] sendfile(-1, -1, [3 [pid 310] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./171/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./171" [pid 2062] <... clone3 resumed>) = 2067 [pid 2061] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 2062] ioctl(3, PPPIOCSMRU, 0 [pid 2061] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 310] <... close resumed>) = 0 [pid 306] mkdir("./172", 0777 [pid 2062] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2061] <... clone3 resumed>) = 2068 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 2069 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2061] ioctl(3, PPPIOCSMRU, 0 [pid 310] rmdir("./173" [pid 307] <... openat resumed>) = 3 [pid 2062] exit_group(0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2062] <... exit_group resumed>) = ? [pid 2061] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 307] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2062] +++ exited with 0 +++ [pid 307] unlink("./178/binderfs" [pid 2061] exit_group(0 [pid 310] mkdir("./174", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 2061] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./178" [pid 310] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./179", 0777 [pid 2061] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 2069 attached ci2-android-6-1/strace-static-x86_64: Process 2070 attached [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x555593f8a690) = 2070 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2069] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 2069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2069] chdir("./172") = 0 [pid 2069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 2069] setpgid(0, 0) = 0 [pid 2069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... clone resumed>, child_tidptr=0x555593f8a690) = 2071 [pid 309] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 2069] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2069] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2069] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 2069] close(3 [pid 309] fstat(3 [pid 2069] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 2069] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 2071 attached [pid 2070] set_robust_list(0x555593f8a6a0, 24 [pid 2069] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 2069] write(1, "executing program\n", 18 [pid 309] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2069] <... write resumed>) = 18 executing program [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2069] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 309] newfstatat(AT_FDCWD, "./176/binderfs" [pid 2069] <... socket resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2069] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] unlink("./176/binderfs" [pid 2071] set_robust_list(0x555593f8a6a0, 24 [pid 2070] <... set_robust_list resumed>) = 0 [pid 2069] <... socket resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2069] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 309] getdents64(3 [pid 2069] <... connect resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2069] sendfile(-1, -1, [3 [pid 309] close(3 [pid 2069] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 2069] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 309] rmdir("./176" [pid 2071] <... set_robust_list resumed>) = 0 [pid 2070] rt_sigprocmask(SIG_SETMASK, [] [pid 2069] <... clone3 resumed>) = 2072 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 2069] ioctl(3, PPPIOCSMRU, 0 [pid 309] <... rmdir resumed>) = 0 [pid 2069] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 309] mkdir("./177", 0777 [pid 2071] rt_sigprocmask(SIG_SETMASK, [] [pid 2070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2069] exit_group(0 [pid 308] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 2069] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 2071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2070] chdir("./179" [pid 2069] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 2071] chdir("./174" [pid 2070] <... chdir resumed>) = 0 [pid 308] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 2073 attached [pid 309] <... clone resumed>, child_tidptr=0x555593f8a690) = 2073 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 2070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2071] <... chdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 2070] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 308] getdents64(3 [pid 306] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2070] setpgid(0, 0 [pid 306] unlink("./172/binderfs" [pid 2070] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] <... unlink resumed>) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./172") = 0 [pid 306] mkdir("./173", 0777 [pid 2073] set_robust_list(0x555593f8a6a0, 24 [pid 2071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2073] <... set_robust_list resumed>) = 0 [pid 2071] <... prctl resumed>) = 0 [pid 2070] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 2074 attached [pid 2074] set_robust_list(0x555593f8a6a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x555593f8a690) = 2074 [pid 2074] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 2074] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2074] chdir("./173") = 0 [pid 2074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2074] setpgid(0, 0) = 0 [pid 2074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2071] setpgid(0, 0 [pid 2070] write(3, "1000", 4 [pid 308] newfstatat(AT_FDCWD, "./176/binderfs" [pid 2073] rt_sigprocmask(SIG_SETMASK, [] [pid 2071] <... setpgid resumed>) = 0 [pid 2070] <... write resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 2070] close(3 [pid 2074] write(3, "1000", 4 [pid 2071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] unlink("./176/binderfs" [pid 2070] <... close resumed>) = 0 [pid 2074] <... write resumed>) = 4 [pid 2074] close(3) = 0 [pid 308] <... unlink resumed>) = 0 [pid 2070] symlink("/dev/binderfs", "./binderfs" [pid 2074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2071] <... openat resumed>) = 3 [pid 2070] <... symlink resumed>) = 0 [pid 308] getdents64(3 [pid 2071] write(3, "1000", 4 [pid 2070] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 2071] <... write resumed>) = 4 [pid 2070] <... write resumed>) = 18 executing program [pid 308] close(3 [pid 2070] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2071] close(3 [pid 308] <... close resumed>) = 0 [pid 2074] write(1, "executing program\n", 18 [pid 2070] <... socket resumed>) = 3 [pid 2071] <... close resumed>) = 0 [pid 308] rmdir("./176" [pid 2071] symlink("/dev/binderfs", "./binderfs" [pid 2070] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2074] <... write resumed>) = 18 [pid 2074] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 2074] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 2070] <... socket resumed>) = 4 [pid 308] mkdir("./177", 0777 [pid 2074] <... socket resumed>) = 4 [pid 2074] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2071] <... symlink resumed>) = 0 [pid 2074] <... connect resumed>) = -1 EEXIST (File exists) [pid 2074] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) executing program [pid 2074] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 2073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 2071] write(1, "executing program\n", 18 executing program [pid 2070] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 308] <... mkdir resumed>) = 0 [pid 2074] <... clone3 resumed>) = 2075 [pid 2073] chdir("./177" [pid 2071] <... write resumed>) = 18 [pid 2070] <... connect resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 2073] <... chdir resumed>) = 0 [pid 2071] socket(AF_PPPOX, SOCK_STREAM, 1 [pid 2070] sendfile(-1, -1, [3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 2074] ioctl(3, PPPIOCSMRU, 0 [pid 2073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 2071] <... socket resumed>) = 3 [pid 2070] <... sendfile resumed>], 2757) = -1 EBADF (Bad file descriptor) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 2074] <... ioctl resumed>) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2074] exit_group(0) = ? [pid 2074] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 306] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./173/binderfs") = 0 [pid 306] getdents64(3, 0x555593f8b750 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./173") = 0 [pid 306] mkdir("./174", 0777) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555593f8a690) = 2076 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 2076 attached [pid 2076] set_robust_list(0x555593f8a6a0, 24) = 0 [pid 2076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 2076] chdir("./174") = 0 [pid 2076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 2076] setpgid(0, 0) = 0 [pid 2076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2076] write(3, "1000", 4) = 4 [pid 2076] close(3) = 0 [pid 2076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2076] write(1, "executing program\n", 18) = 18 [pid 2076] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2076] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 executing program [pid 2076] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50 [pid 2073] <... prctl resumed>) = 0 [pid 2073] setpgid(0, 0) = 0 [pid 2073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 2073] write(3, "1000", 4) = 4 [pid 2073] close(3) = 0 [pid 2073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 2073] write(1, "executing program\n", 18) = 18 executing program [pid 2073] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 2073] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 2073] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = -1 EEXIST (File exists) [pid 2073] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 2073] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 2077 [pid 2073] ioctl(3, PPPIOCSMRU, 0) = -1 ENOTCONN (Transport endpoint is not connected) [pid 2073] exit_group(0) = ? [ 35.993088][ T2017] ------------[ cut here ]------------ [ 35.998652][ T2017] WARNING: CPU: 0 PID: 2017 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 36.008833][ T2017] Modules linked in: [ 36.012819][ T2017] CPU: 0 PID: 2017 Comm: syz-executor261 Tainted: G B W syzkaller #0 [ 36.022792][ T2017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 36.033149][ T2017] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [pid 2073] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 309] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x555593f8b750 /* 3 entries */, 32768) = 80 [pid 309] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 2071] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument)